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镇城区污水处理工程建设项目可行性研究报告

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'California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper*镇城区污水处理工程建设项目可行性研究报告California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper前 言*镇地处珠江三角洲腹地,位于南海区西部,东与狮山镇相连,南与西樵镇相接,西、北与三水区接壤。距广州38km,佛山22km,北江支流从镇的东边流过,南海区东西干线连接*镇城区与广州珠江隧道芳村口,每天有数十班客车往返于广州、佛山和西樵之间,水陆交通方便。近些年来,随着*镇的经济的发展,排放的生产生活污水水量也随之增长;而*镇城区基本上未铺设污水收集管道,大量的生产生活污水未经收集处理直接排放入水体,对周围水体造成严重污染。根据南海区环境规划总体要求及*镇环境规划要求,*镇近期即将实施建设城区生活污水收集管道和污水处理厂,以完善*镇的污水处理系统,改善*镇的水环境。基于上述背景,2006年3月,受佛山市*California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper镇污水处理有限公司委托,我院积极组织技术力量,对工程规模及原有方案进行了进一步的综合分析和研究,相应地调整了技术方案,最终编制了**市*镇城区污水处理工程的可行性研究报告。本研究报告主要结论如下:(1)污水厂处理规模根据建设方提供的资料,结合实际调研情况,确定*镇城区污水处理厂设计规模为6万吨/日,分期建设。本可行性研究报告主要考虑一期(2007年)处理规模1.0万吨/日的设计。(2)进出水水质结合调查数据、《城镇污水厂处理厂污染物排放标准(GB18918-2002)》,确定*镇城区污水处理厂进出水水质如下:设计进、出水水质一览表序号设计指标进水水质出水水质去除率(%)1CODCr(mg/L)≤300<60≥802BOD5(mg/L)≤150<20≥873SS(mg/L)≤200<20≥904NH3-N(mg/L)≤30<8≥735TP(mg/L)≤3<1.0≥67California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper(3)污水处理工艺本方案推荐采用CASS工艺作为*镇城区污水处理厂污水处理的主体工艺,同时根据《城市污水处理工程项目建设标准》,经二级处理后消毒排放。(4)污泥处理工艺结合一期1.0万吨/日建设规模的实际情况,建议设储泥池,通过螺杆泵提升进入浓缩脱水一体化机进行浓缩脱水,脱水后污泥外运填埋处理。(5)污水厂主要技术经济指标序号名 称单位数量1一期厂区占地面积公顷0.8472建构筑物占地面积公顷0.3183建筑系数%14.04道路广场占地面积公顷0.2255绿化占地面积公顷0.1696绿化系数%307总投资:万元1437.82 California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1概 述1.1编制依据及基础资料1.1.1编制依据**市*镇城区污水处理厂工程设计委托书。1.1.2基础资料1、《**市*镇总体规划修编》————*镇人民政府,深圳市城市规划设计研究院  2006年9月编制2、《南海市“十五”环境保护规划》————南海市环境保护局   1999年12月编制3、《城市污水处理及污染物防治技术政策》————建设部国家环保总局科技部   建城【2004】24号文件4、《市政工程设计管理标准》————建设部城市建设司5、《**市*镇污水处理专项规划》California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper————*镇人民政府,同济大学建筑设计研究院  2007年3月编制6、*镇自来水公司提供有关工业园及附近村委的近几年的用水量7、*镇地形图(1:10000)8、其它*镇的基础资料1.2采用的主要规范和标准1.《室外排水设计规范》(GB50014-2006)2.《泵站设计规范》GB/T50265-973.《建筑给水排水设计规范》GB50015-20034.《地表水环境质量标准》GB3838-20025.《城镇污水处理厂污染物排放标准》GB18918-20026.城市污水处理工程项目建设标准(修订)2001北京7.《城市污水处理厂污水、污泥排放标准》CJ3025-938.《城市污水处理厂附属建筑和附属设备设计标准》CJJ31-899.《城市污水处理厂运行、维护及其安全技术规程》CJJ60-9410.《建筑结构荷载规范》GB50009-2001California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper11.《建筑地基处理技术规范》JGJ79-200212.《混凝土结构设计规范》GB50010-200213.《建筑抗震设计规范》GB50011-200114.《砌体结构设计规范》GB50003-200115.《钢结构设计规范》GB50017-200316.《给水排水工程结构设计规范》GB50069-200217.《建筑桩基技术规范》JGJ94-9418.《预应力混凝土结构规范》19.《混凝土结构工程施工质量验收规范》GB50204-200220.《给水排水构筑物工程施工及验收规范》GBJ141-9021.《地基与基础工程质量验收规范》GB50202-200222.《建筑地基基础设计规范》GB50007-200223.《采暖通风与空气调节设计规范》GBJ19-87 2001年版24.《暖通空调规范实施手册》25.《10kV及以下变电所设计规范》GB50053-9426.《低压配电设计规范》GB50054-9527.《供配电系统设计规范》GB50052-95California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper28.《电力工程电缆设计规范》GB50217-9429.《电力装置的继电保护和自动装置设计规范》GB50062-9230.《工业企业照明设计标准》GB50034-9231.《爆炸和火灾危险环境电力装置设计规范》GB50058-9232.《建筑物防雷设计规范》GB50057-94(2000版)33.《工业与民用电力装置的接地设计规范》GBJ65-8334.《自动化仪表选型规定》HG20507-9235.《仪表供电设计规定》HG-T20509-200036.《仪表系统接地设计规定》HG20513-200037.《建筑防雷设计规范》GB50057-94 2000版38.《计算机机房设计规范》GB50174-9339.《分散型控制系统工程设计规范》HG2057340.《电气装置的电测量仪表装置设计规范》GBJ63-9041.《分散型控制系统工程设计规定》HG/T20573-9542.《控制室设计规定》HG20508-200043.《信号报警、联锁系统设计规定》HG20511-200044.建筑设计防火规范 GB50016-2006California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1.3编制范围及年限1.3.1编制范围本可行性研究编制范围:**市*镇城区污水处理厂工程。本工程服务范围为:*镇中心城区。1.3.2编制年限本工程编制年限:近期(一期):2007年~2010年远期(二期):2010年~2020年1.4编制目的编制目的是对工程设计规模、污水水质、处理厂厂址、污水污泥处理工艺等进行技术可靠性、经济合理性及实施可能性的多方案比较和论证,在此基础上,提出推荐方案,使所选方案科学合理、技术先进、处理效果好、运行稳妥可靠、占地面积小、造价省、运行成本低。最终使得该项工程的社会效益、环境效益和经济效益达到最佳统一。1.贯彻国家有关环境保护政策,符合国家的有关法规、规范及标准;2.经处理后排放的污水水质符合国家和地方的有关排放标准和规定,符合环境影响评价的要求;California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper3.在**市城市总体规划及**市污水处理工程建设规划的指导下进行项目的可行性研究;4.根据现有的排水体制和水环境保护的要求,综合规划和选择合理的排水体制,使工程具有可实施性;5.因地制宜地采用先进的污水处理和污泥处理的新工艺、新技术、新设备和新材料;6.采取全面设计、分期实施的原则,既考虑近期的可操作性又考虑中、远期合理性,使工程建设与城市的发展相协调,既保护环境,又最大程度地发挥工程效益;7.采用先进地节能技术,降低污水处理厂的能耗及运行成本;8.优先采用集成度高的污水处理工艺,以便实现模块化设计,以利于污水处理厂的分期建设和扩展;9.采用先进、可靠的自动化控制技术,提高污水厂的管理水平,保证污水处理工艺运行在最佳状态,尽可能减轻工人的劳动强度;10.污水处理厂的处理工艺流程力求先进、简洁、可靠,便于操作管理;11.在整个污水处理厂设计中,始终体现“以人为本”的设计精神,美化和改善职工的工作和生活环境。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1.5工程区域概况及自然条件1.5.1*镇工程区域概况1.地理位置及历史沿革*镇地处珠江三角洲腹地,位于南海区西部,东与狮山镇相连,南与西樵镇相接,西、北与三水区接壤。距广州38km,**22km,北江支流从镇的东边流过,南海区东西干线连接*镇城区与广州珠江隧道芳村口,每天有数十班客车往返于广州、**和西樵之间,水陆交通方便。丹灶名源于晋代,距今1700多年,原名珍丰市。相传东晋道教理论家、医药家及炼丹术家葛洪博学多才、淡薄名利,一心钻研神仙道术,在其担任勾漏令期间,曾从罗浮山云游至此,在金锋岗结灶炼丹成圣,珍丰市遂改名丹灶。此地曾出土炼丹灶一只。建国前后(1950-1957)丹灶属南海县第四区和十三区,1957年又进行撤区建乡,成立了大的丹灶乡,1958年改为红峰人民公社(原四区后云溪乡,十三区石龙村也同时划归红峰公社),1961年底成立丹灶区、分设丹灶、西城和*镇城区三个公社,1963年三社合并,成立丹灶公社(1966年将丹灶公社改称为红峰公社,又于1978年复名为丹灶公社),1983年改称丹灶区,1987年又改称*镇。2004年年底,*镇与金沙镇合并,并沿用*镇名称。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper*镇不仅是珠江三角洲著名的鱼米之乡,还是著名的历史和文化之乡,不仅有东晋时道教理论大师葛洪在此炼丹,而且清代散文家、教育家、著名的维新变法领袖康有为也出生于此。2.行政区划、人口现状及预测*镇现辖区总面积为143.6km2,辖原*镇和金沙镇,镇政府设在*镇城区。*镇城区管辖1个城区办事处和新农、荷村、石联、大涡、上沙窖、建设、东升、丹灶、朗心、良登、仙岗、西城、银河及周边15个行政村,55个村民小组。根据第五次人口普查资料显示,*镇城区总人口为60109人(包括外来人口),总户数为16817户,人口密度为713人/km2。在总人口中,男性为31176人,女性为28933人。2001年户籍人口为41899人,农业人口33962人,非农业人口7937人。2005年末统计总人口为160220人,其中户籍人口为83067人。*镇政府设在丹桂路一侧。根据《**市*镇总体规划(2005-2020)》,*镇人口现状与预测见表1-1 表1-1*镇人口现状与预测表California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper年份200520102020户籍人口(万人)8.318.659.18暂住人口(万人)7.7113.5926.73总人口数(万人)16.0222.2435.91 1.5.2*镇自然条件1.地形地貌*镇城区地势由西北向东南倾斜,西部为连片岗地(面积22.36km2),外廓呈月牙形,东部为沉积小平原(61.15km2)。丹灶境沃野平旷,河流纵横,丘陵山岗星罗棋布。*镇城区面积84km2,土地肥沃,灌溉便利,农业生产和养殖业发达。城区土地资源相对丰富,拥有大面积的连片土地,有山、水、林,而且只是初步开发,污染较轻,生态状况良好。2.气象*镇属亚热带海洋性季风气候,全年气候温和,夏长冬短。丹灶日照充足,年平均气温21.8℃,1月平均气温13℃,7月平均气温28.8℃California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper;雨量充沛,年平均降雨量为1563.37mm,4-9月为汛期,其降雨量占全年的81%;7-9月为台风季节,对丹灶影响较大。3.河道及水文*镇地处珠江三角洲河网区,水资源比较丰富,以地表径流及人工灌渠为主。镇东面为北江干流东平水道,支流罗行涌从镇内穿过,南面为西城涌,官山涌(环山沟)是*镇城区的主要内涌,贯穿镇南北,源于三水,流入北江顺德水道。*镇城区地表径流与人工灌渠大部分都与环山沟相连。1.5.3现状排水系统及规划1.城区排水现状根据实地踏勘了解,城区范围内生活污水未经处理直接排入附近水体。雨水管网为道路工程附属,无统一规划设计,不成体系。目前没有完善的污水管网,雨水、污水合流排放,工业废水和生活污水通过自建管道流入排水站,然后通过排水站提升至官山涌中;官山涌现在是纳污河流,河水污染严重,水质达不到地表水V类水质。2.存在的问题(1)现状为雨、污合流制,大部分污水没有经过处理直接排放,对水体污染严重。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper(2)部分污水采用明渠排水,污染环境卫生。3.城区排水规划行政村居民点现状为雨污合流制,受道路、建筑和管位等多方面条件的限制,目前把现状的合流制完全改建为分流制所需的工程量很大,根据实际情况近期各居民点排水采用合流系统,沿排水出口设污水截流管,将旱流污水和初期雨水进行截流,排入污水系统,等将来统一改造时,再实行污水、雨水分流排放。对于其它新建地块规划排水体制均采用雨水、污水分流制,对新建、改建的道路、小区一律要实行分流制,建设污水、雨水两套排水系统。建设污水处理厂处理管网收集的污水。本工程近期采用截流式合流制排水系统。根据甲方要求,2007年污水厂建成后不建收集管网,只考虑从城区排涝泵站收集污水,因此不考虑截流雨水;2010年建设污水收集管网时再考虑n0=1的截流雨水的收集。远期2020年再逐步改造成分流制。1.6项目实施的必要性城区污水处理厂的建设使十分必要的,主要体现在以下几个方面:California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1.是配合丹灶的河涌整治、截污,改善丹灶河涌水环境的需要。城区污水处理厂的服务范围主要是*镇南部城区、西部工业区以及周边村落。目前该区域内未建成污水收集系统,大量工业废水、生活污水直接排入内河涌,使水环境严重恶化,河涌淤积十分严重,影响排涝能力,同时水环境容量递减,失去水体自净能力,正逐步影响居住环境和居民身体健康,大量污水排入河道造成*镇部分河道官山涌等水体呈现劣V类和V类,因此必需加快实施污水管网收集系统,特别对于污染严重的城区实施截污管网建设,截留污水,改善河涌水环境质量。根据已完成的《**市*镇污水处理专项规划》,城区所在的丹灶南部片区近期污水量为3.3万吨/日,这些污水现状均直排入附近水体,对周围水环境的影响较大,因此也必须尽快新建城区污水处理厂。2.改善生活和投资环境,保护水资源的要求,提高人民的生活水平,促进*镇社会和经济发展的需要。水资源是极其宝贵的,是人类赖以生存和社会持续发展的先决条件。水资源的开发利用即要满足社会经济发展的需要,又要充分考虑水资源的承受能力,对水资源实施切实且有效的保护,使水资源得以持续利用,支持社会的可持续发展。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper为了有效解决水环境的污染问题,实现城市可持续发展的战略目标,根据**市人民政府下发的《**市珠江水环境综合整治实施方案》『佛府办(2003)39号』的要求,珠江水环境综合整治的目标是:一年初成见效,三年不黑不臭、八年江水变清,同时广东省人民政府与**市人民政府签订2002年至2010年珠江责任书,要求2005年底城市出水处理率达到50%以上,而《**市*镇污水处理专项规划》中也明确要求*镇2010年的污水处理率应达到50%。因此必须加快对城市污水进行综合治理,提高城市生活污水处理率,进而实现内河涌治理改善水环境和美化生活环境,并使水资源的可持续利用满足经济的可持续发展,新建城区污水处理厂是达到这一目的的重要步骤。2工程规模、水质与厂址2.1污水水量预测2.1.1现状用水量根据*镇自来水公司统计数据,城区污水处理厂服务范围内2004年、2005年、2006年供水量见表2-1。表2-1城区污水厂服务范围内各村自来水用水量情况California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper年份单位2004(万m3)2005(万m3)2006(万m3)供水量894.7927.2980 2.1.2污水量预测2.1.2.1人均综合指标法污水量预测(1)用水量计算有关参数A)随着人们生活水平提高,人均用水量会越来越多,但水资源日益短缺,根据节约用水原则,人均综合用水量标准确定如下:近期550L/人·d,远期700L/人·d。B)服务范围内人口。城区污水厂服务范围内常住人口和暂住人口近期为7.4万人,远期12万人。(2)污水量计算根据以上计算原则,可推导出污水量预测计算式。设预测用水量为Q用,预测污水量为Q污,则Q用=N·q×10-3其中:N——居民人口数(万人)     q——用水量标准(L/人·d)California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperQ污=Q用×80%按照公式,近期、远期生活用水量和生活污水量见表2-2。表2-2*镇城区污水工程服务范围内生活污水量预测表年份20102020用水量(万m3/d)4.18.4污水量(万m3/d)3.36.7 2.1.2.2单位建设用地综合指标法污水量预测(1)规划建设用地*镇城区远期规划建设用地为2621.2公顷,其中居住用地为481.2公顷,占现状建设用地的18.35%;公共建筑用地为1372.6公顷,占现状建设用地的52.36%;工业用地为767.4公顷,占现状建设用地的29.27%。(2)建设用地用水量综合指标根据《城市给水工程规划规范》(GB50282-98),*镇单位建设用地综合用水量指标应为:一区小城市:0.4~0.8万m3/(km2·d)。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper参照2000年建设用地面积和现状供水量及邻近城市情况及发展经验,初步确定*镇城区远期单位建设用地综合用水量指标为0.4万m3/(km2·d)。(3)预测结果根据以上参数,*镇远期污水量为0.40×2621.2×10-2×0.80=8.38万m3/d2.1.2.3单位分项建设用地指标法污水量预测(1)规划分项建设用地根据《**市*镇总体规划》,*镇城区远期2020年各分项建设用地如下:居住用地481.2公顷,占城市建设用地18.36%;工业用地767.4公顷,占城市建设用地29.28%;仓储用地31公顷,占城市建设用地1.18%;公共服务设施用地26.4公顷,占城市建设用地1.01%;对外交通用地270.4公顷,占城市建设用地10.31%;道路广场用地338公顷,占城市建设用地12.89%;公用设施用地191.7公顷,占城市建设用地7.31%;绿地用地515公顷,占城市建设用地19.64%;California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper(2)单位分项建设用地用水量指标根据《城市给水工程规划规范》,*镇不同性质建设用地分为四大类,其单位用水量指标如下:A)城镇居住用地单位居住用地用水量指标按照一区小城市取值为:1.1~1.9万m3/km2.d,此次设计取值为1.1万m3/km2.d。B)城市公共设施用地城市公共设施用地包括:行政办公用地;商贸金融用地;体育、文化娱乐用地;旅馆、服务行业用地;教育用地;医疗、休疗养用地;其它公共设施用地。单位公共设施用地用水量指标为:0.50~1.50万m3/km2·d,此次设计取值为0.5万m3/km2.d。C)工业用地按产业结构、主体产业、生产规模及技术先进程度等,工业用地可分为一类工业用地、二类工业用地和三类工业用地。*镇规划工业用地基本属于二类工业用地。单位工业用地用水量指标为:2.0~3.5万m3/km2·d,此次设计取值为2.0万m3/km2.d。D)城市其他用地California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper城市其他用地指仓储用地、对外交通用地、道路广场用地、市政公用设施用地、绿地和其他特殊用地。单位其他用地用水量指标为:0.10~0.90万m3/km2·d,此次设计取值为0.1万m3/km2.d。(3)预测结果根据以上参数,*镇远期污水量为:(481.2×1.1+767.4×2.0+191.7×0.5+1180.8×0.1)×0.01×0.8=18.24万m3/d 预测方法二和方法三与方法一相差较大,主要是因为*镇属于一个地广人稀的城镇,利用单位用地水量考虑明显偏大,因此,本工程水量预测以方案一为准。2.2设计规模1.*镇城区污水处理厂规模的确定要考虑的因素(1)服务范围内近期及远期用水量及污水产生量。(2)近期及远期污水管网配套情况及管网收集率;根据《**市*California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper镇总体规划(2005-2020)》,规划要求到2010年南海区基本上消除流经城市河段的黑臭现象,工业废水必须达到排入城市下水道标准方可接入市政污水管网,逐步建立健全污水处理系统,使城镇污水处理率达到50%以上,到2020年城市生活污水处理达标率达到80%以上,力争水污染基本得到控制。因此,本工程近期按照50%计算。(3)考虑污水管网中地下水的渗入量。一般按照10%考虑。2.*镇城区污水处理厂工程建设规模的确定*镇城区污水处理厂服务范围为南部城区污水,根据对污水量的预测及污水管网建设收集率情况,确定*镇城区污水厂近、远期污水处理工程建设规模。*镇城区污水处理厂总规模预测见表2-3表2-3*镇城区污水处理工程建设总规模年份20102020污水量(万m3/d)水)3.36.7管网收集率(%)5080收集到污水厂水量(万m3/d)1.655.36工程建设规模2.06.0 根据预测,近期收集到*镇城区污水厂的污水量为1.65万m3California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper/d,考虑到经济条件以及用地条件的限制,根据甲方要求,本项目建成期2007年不收集西部工业区的污水,不建设收集管网,只要收集处理流至城区排涝泵站的污水,因此建设规模可以适量减少,2007年设计规模为1万吨/日。2007年至2010年期间需建设截流污水收集主干管网,至2010年污水处理规模达到2万吨/日;2011年至2020年期间需建设污水支管,并逐步改造现有的合流制排水系统成分流制排水系统,至2020年污水处理规模达到6万吨/日。因此确定本工程新建的*镇城区污水厂设计规模为1.0万m3/d。2.3污水水质论证城市污水水质如何,直接影响到污水处理工艺及其参数的选择、工程造价以及污水处理厂处理成本。因此需要调查了解现状城市排水的污水水质,并结合城市居民生活水平现状,参考类似污水处理厂原污水水质的取值,合理确定*镇城区污水处理厂原污水水质,根据受纳水体的功能划分和容量,选择污水处理厂处理标准,进而选择经济合理、技术先进的污水处理工艺。2.3.1设计进水水质1、同类型城市污水处理厂进水水质和设计水质见表2-4表2-4广东省部分城市污水处理厂进水水质一览表名称CODcrBOD5SSNH3-NTNTP备注/20025030405设计值California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper广州大坦沙污水厂1617310214//实测值广州开发区污水厂23211312622//设计值深圳市罗芳污水厂(二期)250~400150150/302~4设计值180~260120~170220~280 21~252.8~3.5实测值深圳市盐田污水厂300150150/354设计值深圳市南山污水厂300150150 353.5设计值深圳市横岗污水厂150~18070~80200~22015~18 2~4.6设计值California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper珠海香洲水质净化厂200100150/253设计值珠海拱北污水厂/150200~250///设计值汕头市东区污水厂350105200/303设计值**净水厂200130120/254设计值1327410715//实测值东莞市市区污水厂250~300100~120100~12025302设计值从表中可以看出,广东大部分城市污水处理厂设计进水水质范围为:BOD5为100~180mg/L,SS为150~250mg/L,CODcrCalifornia.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper为200~300mg/L,TN为3~4mg/L。同全国其他城市相比,南方城市污水处理厂设计进水水质总体上比较低。2、南海已建污水处理厂进水水质分析南海区桂城污水处理厂2001年监测数据时间监测指标(mg/L)BODCODNH3-NTNTPSS2001年1月78.134839.2542.253.91822001年2月67.628935.2743.254.61962001年3月61.222234.18444.521742001年4月6116133.6734.383.71582001年5月60.124128.88293.91822001年6月49.617123.8334.753.881142001年7月86.821425.7427.813.21342001年8月87.519226.7335.323.21672001年9月1282383330.123.611842001年10月15721236.7543.126.3920210126040.844.56.4176California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper2001年11月2001年12月12629340.4465.7189合计88.7236.833.237.94.4171.5  南海区桂城污水处理厂2002年监测数据时间监测指标(mg/L)BODCODNH3-NTNTPSS2001年1月10436541.7547.56.082062001年2月13733241.42455.542252001年3月11722639.0244.54.641812001年4月18020238.9144.55.12082001年5月10221736.67 6.021772001年6月10520736.2843.54.241812001年7月12122832.8438.754.44169California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper2001年8月11322733.7239.54.221902001年9月12428729.1738.256.351382001年10月13338035.6236.15.21742001年11月17839438.86 5.41782001年12月16440237.948.56.5184合计131.5288.936.842.65.3184.3南海区桂城污水处理厂2005年~2006年监测数据时间监测指标(mg/L)BODCODNH3-NPHTPSS2005年6月16.518124.17.542.22302005年7月7835628.87.603.82622005年8月4719622.57.571.92242005年9月 14224.57.50 122California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper2005年10月5714227.97.543.01272005年11月7413839.67.463.21842005年12月5712823.57.463.22202006年1月12929432.97.50.892072006年2月86400347.495.12862006年3月10020030.97.51.0197合计71.6217.728.877.522.7205.9 3、丹灶城区排涝泵站进水水质丹灶现有污水处理厂2007年3月监测数据时间监测指标(mg/L)BODCODNH3-NPHSS城区排涝泵站8021323.46.41155California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper 4、《污水综合排放标准》的规定根据《污水综合排放标准》(GB8978-1996)第4.1.3条规定,对排入设置二级污水处理厂的城镇排水系统的污水执行三级标准,其最高允许排放浓度为:BOD5≤300mg/L,SS≤400mg/L,CODcr≤500mg/L。由于城区排涝泵站进水部分为河涌水,所以水质偏低。考虑到污水收集管网的不断完善,污水水质将逐步提高。同时参考我国南方部分污水厂以及南海部分污水厂的设计与实际运行的进水水质,为稳妥、可靠起见,确定*镇城区污水处理厂的进厂水质见表2-5:表2-5*镇城区污水处理厂设计进水水质表项目PHCODcrBOD5SSNH3-NTNTP(mg/L)(mg/L)(mg/L)(mg/L)(mg/L)(mg/L)指标值6-930015015030384.02.3.2出水水质*镇城区污水厂处理后的净化水排入官山涌,最后排入顺德水道。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper按照《广东省地表水环境功能区划》、《珠江三角洲水质保护条例》及珠江综合整治要求,北江的水质目标是地表水II类水质标准。根据《南海市“十五”环境保护规划》的规划官山涌2005年要达到地表水IV类水质标准。另外在环评报告,提及污水处理厂应执行《城镇污水处理厂污染物排放标准》(GB18918-2002)一级B标准。根据环评报告及排水接纳水体官山涌的水质类别,城区污水厂工程的出水标准执行国标一级B标准。出水标准确定为:CODcr≤60mg/L            BOD5≤20mg/LSS≤20mg/L               氨氮≤8mg/L总氮≤20mg/L             总磷(以P计)≤1.0mg/L     pH值:6-9根据本工程设计进水水质、出水水质,确定本工程处理程度,见表2-6表2-6 设计进、出水水质及处理程度名称BOD5CODcrSS氨氮总氮总磷设计进水水质(mg/L)15030015030384.0California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper设计出水水质(mg/L)2060208201.0处理程度(%)86.78086.773.347.2752.3污水处理厂厂址*镇城区污水处理厂厂址位于官山涌边,已规划预留13.5亩,厂址现状是丹灶电镀厂,地势平坦,土地开阔,水电交通较为方便,可以作为污水处理厂厂址。厂址用的控制范围东北角控制坐标点(X=547149.414,Y=391919.363)、西北角控制坐标点(X=547132.891,Y=391865.211)、东南角控制坐标点(X=547015.105,Y=391979.137)、西南角控制坐标点(X=547001.339,Y=391933.948),总用地0.847公顷。3处理工艺方案论证3.1污水处理方案污水处理工艺的选择应根据设计进水水质、污水排放标准所要达到的处理程度、用地面积和工程规模等多种因素综合考虑,不同的污水处理工艺有其适用范围,应根据具体情况而定。必须充分考虑污水量和污水水质以及经济条件和管理水平,优先选用技术合理先进、安全可靠、低能耗、低投入、少占地和操作管理方便、宜于分期建设的、成熟的工艺。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper3.1.1常规二级处理工艺我国现行《室外排水设计规范》(GB50014-2006)的表中给出了污水处理厂BOD5和SS的处理效率,见表3-1表3-1污水处理厂的处理效率处理级别处理方法主要工艺处理效率%SSBOD5一级处理沉淀法沉淀40~5520~30二级处理生物膜法初次沉淀、生物膜法、二次沉淀60~9065~90 活性污泥法初次沉淀、曝气、二次沉淀70~9065~95 从表中可以得知,二级活性污泥法的处理效率最高,这也是目前国内外大多数城市污水处理厂都采用的方法。但常规二级处理工艺对氮、磷的去除是有一定限度的,仅靠从剩余污泥中排除约10~20%的氮和约12~19%的磷,达不到本工程对氮和磷去除率的要求,因此,必须采用脱氮除磷的二级处理工艺。3.1.2污水处理工艺介绍California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper污水的脱氮除磷可供选择的处理方法通常有生物处理法及物理化学法二大类。物理化学法即需投加相当数量的化学药剂,运行费用较高。而一般污水生物处理又可分为活性污泥法和生物膜二种。生物膜法采用填料或滤料挂膜提高微生物单位体积的密度可大大提高容积负荷,占地面积小,但在实际运行控制过程中广泛存在池型复杂、控制困难、膜易积存、滤料流失、水流短路以及池底布气管检修不便、填料堵塞、板结等问题。活性污泥法同生物膜法相比,具有处理效率高、处理效果好、运行稳定、运转经验丰富、环境良好等优点,因此,对城市污水进行脱氮除磷,生物活性污泥法是其中的首先方案,在国内外亦被普遍采用。(1)生物脱氮除磷工艺的历史从60年代开始,美国曾系统地进行了氮磷物化处理方法研究,结果认为用物化法的缺点是耗药量大,污泥多,处理大量城市污水经济上不合算,因此着手研究生物法脱氮除磷。从70年代开始,采用活性污泥法脱氮已逐步实现工业化流程,1977年正式命名为A/O法。A/A/O法是在其基础上进一步研究开发而成的生物脱氮除磷工艺流程。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper我国从80年代初开始开展生物脱氮除磷研究,在80年代后期实现工业化流程,目前常用的生物脱氮除磷处理工艺有A/A/O法、SBR法(SequencingBatchReactor,序批式活性污泥法)、氧化沟法等,均取得较好效果。传统的充、放水SBR法逐渐发展演变成多种形式:如ICEAS(间歇循环延时曝气法);DAT-IAT(需氧池、间歇曝气池);CASS(循环活性污泥系统);UNITANK(运行与三槽式氧化沟相似)、MSBR(改良型SBR)等。典型的SBR及其变种均可通过控制污泥负荷、厌氧缺氧好氧分配实现生物部分脱氮除磷。氧化沟法改良为带有沉淀槽的三槽式氧化沟、AC氧化沟及卡鲁塞尔2000型氧化沟等等,氧化沟法及其改良型通过增加厌氧段、单独隔离开缺氧段来更好地实现生物脱氮除磷。常规的活性污泥法A/A/O终又派生出各种变法,例如A/A/O法中变为UCT法及MUCT法等,均可实现生物脱氮除磷(2)生物脱氮除磷工艺基本原理California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper生物脱氮是利用自然界氮的循环原理,采用人工方法予以控制。首先,污水中有机氮、蛋白氮等在好氧条件下转化成氨氮,而后由硝化菌变成硝酸盐氮,这个阶段称为好氧硝化。随后在缺氧条件下,由反硝化菌作用,并有外加碳源提供能量,使硝酸盐氮变成氮气逸出,这阶段称为缺氧反硝化。整个生物脱氮过程就是氮的分解还原反应,反应能量从有机物中获取。在硝化与反硝化过程中,影响其脱氮效率的因素是温度、溶解氧、pH值以及反硝化碳源等。生物脱氮系统中,硝化菌增长速度缓慢,所以,要有足够的污泥泥龄。反硝化菌的生长主要在缺氧条件下进行,并且要有充裕的碳源提供能量,才可促使反硝化作用顺利进行。由此可见,生物脱氮系统中硝化与反硝化反应需要具备如下条件:硝化阶段:足够的溶解氧DO值2mg/l以上,合适的温度,最好20℃,不低于10℃,足够长的污泥泥龄,合适的pH条件。反硝化阶段:硝酸盐的存在,缺氧条件DO值0.2mg/L左右,充足的碳源(能源),合适的PH条件。通过上述原理,可组成缺氧与好氧池,即所谓A/O系统。A/O系统设计中需要控制的几个主要参数就是足够的污泥泥龄与进水的碳氮比。(3)生物除磷利用活性污泥中聚磷菌。这种菌的特点是既能贮存磷酸盐,又能贮存碳源(以βCalifornia.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper羟丁酸形式贮存,即PHB形式贮存),在厌氧条件,进水中有机物与细菌体内磷酸盐作用,由菌体内磷酸盐分解后提供能量,合成PBH,并放出磷,在好氧条件下,利用体内的PHB,吸收液体中的磷,形成磷酸盐形式,贮存在细胞内,因此,生物除磷仅指液相中的磷酸盐转移到细胞中去,所以污泥的含磷量很高,可达8~10%(一般1.5%),影响生物除磷的因素是要厌氧条件DO=0,同时要有快速降解COD,即P/COD比值恰当。希望含磷污泥尽快从系统中排出。也就是说,污泥泥龄要短,否则泥中的磷又会解析到液体中。按照上述原理,在生物碳氮系统前再设置一个厌氧池,这样就形成所谓A/A/O系统,即厌氧/缺氧/好氧系统。(4)生物脱氮除磷的影响因素从生物脱氮除磷原理看出,两者要求的有些方面是相互制约的。要正常发挥脱氮除磷系统效率,详细分析进水水质是十分必要的,有如下几点值得注意:①COD浓度②TKN/COD比值③P/COD比值④水温·COD浓度,达到除磷要求取决于进水中易生物降解COD浓度,一般不得小于50mg/l(比值一般为进水COD的1/4~1/3),所以进水COD低于150mg/l,不能达到除磷要求。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper·TKN/COD比值,TKN/COD值小于0.08,可完全去除硝酸盐,若在0.08~0.11之间,不能完全去除硝酸盐,可以采用UCT工艺,从厌氧池中去除磷酸盐,0.11~0.14之间,UCT工艺也不能完全消除厌氧池中的硝酸盐,要控制回流比,减少硝酸盐对厌氧池影响,当TKN/COD大于0.14,城市污水不能用生物脱氮除磷方法。·P/COD值,P/COD值应小于0.025,方能达到除磷要求。·水温,供氧量用夏季水温复算,生物降解用冬季水温复算。3.1.3污水处理工艺选择对市政污水的处理,目前已经研究开发出了各种各样的生物处理方法。就生物处理而言,从初期普通活性污泥法发展至今,经过不断改进,出现了多个改进型的方案,如氧化沟、A/O法、A2/O法、AB法、SBR工艺及其改进型等多种工艺。尤其近年来,随着城市污水中N、P等污染物指标的升高以及受污染水体富营养化问题的日益突出,脱氮、除磷已成为必不可少的工艺环节。因而曝气池也由单纯的好氧反应工艺发展到包括缺氧反应池和厌氧反应池在内的复合工艺,利用多种反应池功能的组合,可以达到生物脱氮除磷的目的。本工程拟对下列三个工艺进行技术经济比较,氧化沟法、A/A/O法、CASS法等,各处理工艺的机理简述如下:California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper一)CASS法(方案一)1901年英国Ardern和Lockett在其试验成功的基础上在世界化学学报上首先发表了一篇重要的科研报告,介绍了在单一的反应器内将空气注入污水中,将其所产生的污泥进行循环并按间歇方式运行,就得到良好的污水净化效果,从试验成果,诞生了活性污泥法。80年来活性污泥法一直处于污水生化处理的主导地位。但是由于当时的活性污泥法虽然处理效率很可观,由于监控和检测技术的限制,SBR法未得到广泛应用。70年代起,由于西欧各国财政上的原因,政府对小城镇环保项目的投入减少,迫使小城镇的环保事业着眼于低投资低能耗,同时由于程控技术,电子计算机技术的发展,一些水质仪表如溶氧测定仪,ORP计的开发应用,于是SBR法又得到了重视。日本、美国、澳大利亚、法国等国家开始了高层次重新研究间歇活性污泥法。被命名为序批式活式污泥法(SequencingBatchCalifornia.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperReactor简称SBR)。根据SBR工艺运行模式,其操作由进水、曝气反应、沉淀、排出和闲置5个基本过程,从进水至闲置间的工作时间为一个周期。在一个周期内的5个过程都在一个反应池内按程序完成,整个处理系统可以通过二个或二个以上的反应池进行组合交替完成。由于SBR工艺流程短,反应过程在一个池内按时间程序完成,所以在时间程序中进水阶段可以降低曝气强度使池内产生缺氧状态,而曝气阶段的时间可根据实际反应时间而定。通过时间顺序可以对缺氧、好氧的比例进行调整,使处理系统更适应水质的变化和达到期望的出水标准;通过时间程序可控制沉淀出水水质,根据活性污泥的实际沉淀时间使出水SS浓度更低。由于SBR法中,曝气、沉淀集同一池内,节约了二次沉淀池和污泥回流系统,但曝气池体积、曝气动力设备均要增加,在中小规模污水处理中是较好的处理工艺。  典型的SBR法的运行模式见图一所示。典型的SBR工工艺已发展出了许多变种,CASS(CyclicActivatedSludgeTechnology)工艺是其中一能够达到脱氮除磷功能完善的方式。本工程拟采用CASS工艺作为方案一进行比较。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper全称为循环式活性污泥法,是近年来应用较多的生活污水及工业废水处理的先进工艺。与传统的SBR间歇反应器不同,每个CASS反应器一般由三个区域组成,即生物选择区(厌氧区)、缺氧区和主反应区,三个部分的比例一般为:1:5:30。通常在主反应区前设置一兼氧区。生物选择区设置在反应器的进水处,这是一容积较小的污水污泥接触区,进入反应区的污水和从主反应区内回流的活性污泥(约20%Q~50%进水)在此相互混合接触。生物选择区是按照活性污泥种群组成动力学的规律而设置的,创造合适的微生物生长条件并选择出絮凝性细菌。在生物选择区内,可使污泥中的磷在厌氧条件下得到有效的释放,同时污泥回流液中存在的少量硝酸盐氮(约2mg/l~10mg/l)可得到反硝化,生物选择区反硝化量可达整个系统反硝化量的20%左右,DO一般控制在-150~-200mV左右。兼氧区不仅具有辅助的厌氧或兼氧条件下运行的生物选择区对进水水质水量变化的缓冲作用,同时还具有促进磷的进一步释放和强化氮的反硝化作用,DO一般控制在0.50mg/l左右。主反应区是最终去除有机物的主要场所,运行过程中,通常将主反应区的曝气强度以及曝气池中溶解氧强度加以控制,以使反应区内主体溶液中处于好氧状态,保证污泥絮体的外部有一个好氧环境进行硝化,活性污泥结构内部则基本处于缺氧状态,溶解氧向污泥絮体内的传递受到限制,而较高的硝酸盐浓度(梯度)则能较好地渗透到絮体内部,有效地进行反硝化,从而使主反应区中同时发生有机污染物的降解以及同步硝化和反硝化,DO一般控制在2.00~2.50mg/l左右。CASS系统使活性污泥不断地经过好氧和厌氧的循环,有利于聚磷菌在系统中的生长和累积,而选择器中活性污泥(微生物)能通过快速酶去除机理吸附和吸收大量易降解的溶解性有机物,从而保证了磷的去处。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperCASS工艺既可采用连续进水、间歇排水,也可采用连续进水、连续排水的模式。本工程采用连续进水、间歇排水,目的是创造理想的沉淀条件,但在今后运行中,遇到高峰流量或事故状态,SBR的调节水位不够时,也可采用后者运行方式。CASS主反应区后部安装了可升降的撇水装置,曝气、沉淀等在同一池子内周期循环运行,省去了常规活性污泥法的二沉池和污泥回流系统。CASS工作原理如下:空气滗水器出水进水水预反应区主反应区 California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper在预反应区内,微生物能通过酶的快速转移机理迅速吸附污水中大部分可溶性有机物,经历一个高负荷的基质快速积累过程,这对进水水质、水量、PH和有毒有害物质起到较好的缓冲作用,同时对丝状菌的生长起到抑制作用,可有效防止污泥膨胀;随后在反应区经历一个较低负荷的基质降解过程。CASS集工艺集反应、沉淀、排水于一体,对污染物的降解是一个时间上的推流过程,微生物处于好氧-缺氧-厌氧周期性变化之中,因此,CASS工艺具有较好的脱氮、除磷功能。完整的CASS操作周期一般分为以下四个步骤:曝气阶段:由曝气系统向反应池供氧,此时有机污染物被微生物氧化分解,同时污水中的NH3-N通过微生物的硝化作用转化为NO3—N。淀阶段:此时停止曝气,微生物利用水中剩余的DO进行氧化分解,反应池逐渐好氧状态向缺氧状态转化,开始进行反硝化反应。活性污泥逐渐沉到底,上层水变清。滗水阶段:沉淀结束后,置于反应池末端的滗水器开始工作,自下而上逐渐排出上清液。此时,反应池逐渐过渡到厌氧状态继续反硝化。闲置阶段:闲置阶段即是滗水器上升到原始位置阶段。CASS工艺与SBR的区别在于CASS工艺为连续进水,而SBR为间断进水,因此在池子结构上前分为两个区,中间设置了隔墙,而后者只有一个反应池,因此在废水排放为连续或半连续时,CASS工艺更适应。CASS工艺特点如下:1)增加了选择配池和污泥回流,因此具有更高的去除率和适应能力,短时间内可抗30%的冲击负荷;2)、污泥浓度高,排除的剩余污泥体积小;California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper3)建设费用低,比普通曝气法省25%,省去了除沉池、二沉池;4)占地面积省,比普通曝气法省20%~30%;、5)运行费用省,自动化程度高,管理方便。氧的利用率高。脱氮、除磷效果好;6)处理效率高,出水水质好。CASS方案详见方案一流程示意图二)氧化沟法(方案二)氧化沟最初于五十年代出现于荷兰,主要由环形曝气池组成,具有出水水质好、处理效率稳定、操作管理方便等优点,同时,也能满足生物脱氮要求。氧化沟布置有多种形式,除了常用的转刷型氧化沟外,还有采用垂直轴表面曝气叶轮的卡罗塞尔氧化沟以及转碟型曝气器的奥贝尔氧化沟。同时,在运行方法上又可分为连续流及分渠式氧化沟。后者,氧化沟中一部分体积兼作沉淀池,故不再设二次沉淀池和污泥回流设备。上述各种形式的氧化沟,目前国内均有工程实例,大部分氧化沟运行良好,去除效率稳定,取得了较好的处理效果。在间歇运行的氧化沟基础上,丹麦又发展了一种新型的氧化沟,即三沟式氧化沟。在运行稳定可靠的前提下,操作更趋灵活方便。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper随着氧化沟工艺的不断发展,作为活性污泥法的一种变型的氧化沟现已广泛应用于世界各地,并正向着大中型污水处理厂发展,曝气型式的多样化和不断改进,使氧化沟工艺迅速得到推广。早期的氧化沟工艺占地面积大,仅用于小型污水处理厂,随着对氧化沟工艺的充分认识和改进,目前沟深已由1.0m增加至4.0m以上,曝气转刷和转碟直径也增加到1.0~1.4m。据报导,从1963年至1974年,英国共兴建了约300多氧化沟污水处理厂,1962年至1975年,美国建成了约558座氧化沟污水处理厂。氧化沟发展出各种型式,可以满足不同的要求,它可以采用延时曝气,一池代替初沉池、曝气池、二沉池和污泥消化池,这对小型污水处理厂最为合适,运行管理非常简单,它也可以仅作为二级处理使用,代替曝气池和二沉池,或者只代替曝气池。一般情况下,由于氧化沟耐冲击负荷能力强,往往省去初沉池,这对除磷十分有利。氧化沟从五十年代发展至今,已有许多类型,目前主流池型有:·丹麦克鲁格公司的DE型三沟式氧化沟和DSS氧化沟。·荷兰DHV公司发明注册的Carrousel及Carrousel2000型氧化沟·美国Envirex公司设计的Orbal氧化沟。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper·美国EMICO与荷兰DHV公司合作开发的AC型和BARDENPHO氧化沟。结合本工程的情况,由于污水处理厂可用地面积小,而氧化沟由于池深较浅,一般不超过4m,因此污水处理厂占地面积较大。氧化沟方案程图见方案二流程示意图。三)A/A/O法(方案三)A/A/O工艺(Anaerbio-Anoxic-Oxic)称为厌氧--缺氧--好氧三者结合系统。早在70年代美国在生物除氮方法的基础上发展的同步除磷脱氮的污水处理工艺。生物除磷,是利用聚磷菌的微生物,这种微生物能过量地、在数量上超出其生理需要的从外部环境摄取磷,磷以聚合的形态贮藏在菌体内,形成高磷污泥而排出系统外,达到从污水中除磷的效果。在厌氧条件下(DO=0,NO3=0),聚磷菌体内的ATP进行水介,将H2PO4放出,并形成AOP同时也放出能量。因此,聚磷菌具有厌氧条件下释放H3PO4,在好氧条件下过剩摄取H3PO4的功能,生物除磷就是利用聚磷菌的这种功能开发了从污水中除磷的技术和工艺。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper在好氧条件下,聚磷菌好氧呼吸,不断地氧化体内储存有机底物,也不断通过主动输送方式向体内输送有机底物,由于氧化分解,不断放出能量,能量被AOP所获得,并合成ATP(三磷酸腺苷)。H2PO4是聚磷菌分解其体内聚磷酸盐而取得的,大部分是直接从体外摄取的。这样,聚磷菌就不断地利用能量,在透膜酶的催化作用下,通过主动输送的方法将环境中的H2PO4摄入体内,并用于合成ATP,另一方面用于合成聚磷酸盐,这一过程为磷过剩摄取。在A/A/O法中,由于需要污水回流及污泥回流,相对于SBR池同时需要增设二沉池,污水处理设备较多,运行管理相对较复杂。A/A/O法方案流程图见方案三流程示意图。(1)工艺参数比较污水处理方案主要工艺参数表工艺参数方案一:CASS法法方案二:氧化沟法方案三:AAo法1、进水泵房   进水泵房数量(座)111机械粗格栅数量(台)222California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper格栅宽度(mm)600600600格栅栅条净距(mm)252525格栅功率(kw)1.11.11.1栅渣输送机数量(台)111栅渣输送机性能(mm)B=300,L=4000B=300,L=4000B=300,L=4000栅渣输送机功率(kw)2.22.22.2污水泵数量(台)2用1备2用1备2用1备水泵流量(m3/hr)330330330水泵扬程(m)121212水泵功率(kw)222222高能离子除臭设备(kw)3332、机械细格栅   格栅数量(台)222格栅宽度(mm)400400400California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper格栅栅条净距(mm)101010格栅功率(kw)0.370.370.37栅渣输送机数量(台)111栅渣输送机性能(mm)B=260,L=4000B=260,L=4000B=260,L=4000栅渣输送机功率(kw)0.750.750.753、旋流沉砂池   旋流沉砂池数量(座)222平面尺寸×池深(m)D1.83×1.0D1.83×1.0D1.83×1.0高峰流量停留时间(s)404040立式桨叶分离机及汽提吸砂系统(套)222功率(kw)1.11.11.1砂水分离器数量(套)111121212California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper砂水分离器处理量(l/s)砂水分离器功率(kw)0.370.370.374、生化池   生化池数量(座)111单池平面尺寸×水深(m)44.5×10×5.0(4格)60×40×4.050×36×5(2格)单池有效容积(m3)890096009000厌氧:缺氧:好氧体积比----1:2:9MLSS(g/L)4.04.04.0BOD5负荷(kgBOD5/kgMLSS·d)0.080.080.08污泥产率(kgMLSS/kgBOD5)0.700.700.70反硝化速率--2626California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper(mgNO3/gMLSS.d)排水比(%)18.7----曝气器充氧效率20%1.8kgO2/kw·hr20%标准需氧量(kgO2/hr)145174145需气量(m3/min)44--44气水比6.3:1--6.3:1鼓风机或转碟曝气机数量(台)4用1备12台交替使用4用1备鼓风机供气量(m3/min)35--35转刷供氧量(kgO2/hr)--24--风压(m水柱)6.0--6.0单台功率(kw)301630California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper滗水器数量(台)----4滗水器最大滗水量(m3/h)500----滗水器功率(kw)2.0----厌氧池搅拌动率(w/m3)666厌氧池搅拌机数量(台)222单台搅拌机功率(kw)1.50.751.5缺氧池搅拌动率(w/m3)6--6缺氧池搅拌机数量(台)242单台搅拌机功率(kw)1.51.51.5内回流水泵数量4用4备----内回流比%20----California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper内回流泵流量(m3/hr)25----内回流泵扬程(m) 5----单泵功率(kw)1.1----剩余污泥泵数量4用4备----剩余污泥泵流量(m3/hr)25----剩余污泥泵扬程(m) 5----单泵功率(kw)1.1----5、二次沉淀池   辐流式二沉池数量(座)--22平面尺寸×边水深(m)--Φ20×3.0Φ20×3.0California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper表面负荷(m3/m2·hr)--0.60.6停留时间(hr)--5.05.0吸泥机数量(台)--11吸泥机功率(kw)--0.750.756、消毒池   消毒池数量(座)111单池平面尺寸×水深(m)5.92×1.42×2.5m35.92×1.42×2.5m35.92×1.42×2.5m3紫外消毒系统(套)111总功率(KW)7.57.57.57、回流、剩余污泥井   污泥井数量(座)--11回流比(%)--100~150100~150--110110California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper回流污泥流量(m3/hr)回流污泥泵数量(台)--33回流泵流量(m3/hr)--110110回流污泥泵扬程(m)--88回流污泥泵功率(kw)--5.55.5剩余污泥量(kg/d)--375375剩余污泥体积(m3/d)--95(含水率99.6%)95(含水率99.6%)剩余污泥泵数量(台)--1用1备1用1备剩余泵流量(m3/hr)--1010剩余污泥泵扬程(m)--88剩余污泥泵功率(kw)--0.750.758、污泥浓缩池   储泥池数量222平面尺寸×水深(m)6.0×6.0×4.06.0×6.0×4.0(单池)6.0×6.0×4.0California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper(单池)(单池)9、污泥脱水机房   机房数量(座)111平面尺寸(m)18.45m×12.48m18.45m×12.48m18.45m×12.48m污泥量(m3/d)707070浓缩-脱水一体化带式污泥脱水机数量(套)111污泥脱水机处理量(m3/h)101010脱水后泥饼含水率(%)<80%<80%<80%脱水机总功率(kw)333配套进泥泵数量(台)222配套进泥泵功率(kw)444California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper脱水加药设备(套)111脱水加药设备(kw)1.11.11.1高能离子除臭设备(kw)333 (2)综合比较污水处理方案综合比较表比较内容方案一方案二方案三工艺特点采用鼓风机供气,氧利用率高,运行灵活,操作方便,可根据水质特点灵活调节采用叶轮供氧及维持沟内流速,混合效果好,耐冲击负荷采用鼓风机供气,氧利用率高运行管理California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper设备及构筑物较少,管理最简单,方便。设备少,自动控制相应简单,方便设备及构筑物较少,管理较简单。自动控制,设备及构筑物较多,运行管理相对复杂及要求高设备及构筑物较多,有可能污泥膨胀,污水需要回流,运行管理相对复杂及要求高。设备及构筑物较多,运行管理相对复杂及要求高设备设备种类单一,数量较少,维护简单设备种类及数量相对较多,维护要求一般设备种类及数量多,维护要求高投资中少高运行费少高中占地池深较深,占地面积较小池深较浅,占地面积最大占地面积较大 由上表可知:氧化沟工艺采用叶轮等供氧,氧利用率相对较低,且水池水深较浅,占地面积大,在工程可行性研究中,已经对SBR工艺及氧化沟工艺进行比较,而A/A/O工艺需要初沉池及二沉池,反消化需要污水、污泥回流,能耗较大,造成污水处理厂,设备及构筑物较多,运行管理相对复杂及维护要求高。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperSBR池集曝气、沉淀、排水于一池,不需要污泥回流,设备及构筑物数量较少,运行较灵活,另外SBR还有以下特点:(1)根据反应动力学理论,生物作用于有机基质的反应速率与基质浓度呈一级动力学反应,SBR是按时间作推流的,即随着污水在池内反应时间的延长,基质浓度由高到低,是一种典型的推流型反应器。从选择器理论可知,其扩散系数最小,不存在浓度返混作用。在每个运行周期的充水阶段,SBR反应池内的污水浓度高,生物反应速率也大,因此反应池的单位容积处理效率高于完全混和型反应池以及不完全推流式反应池。(2)由于SBR反应池内的活性污泥交替处于厌氧、缺氧和好氧状态,因此,具有脱氮除磷的功效。而A/O法要使脱氮率达到75%以上,其污泥回流量须为数倍的进水量,动力消耗很大。而SBR法则不同,由于运行是在同一反应池内进行的,无污泥回流量但池内污泥最大,因此,SBR法的脱氮效率不但高而且稳定。 (3)SBR法的运行效果稳定,既无完全混和型反应池中的跨越流,也无接触氧化法中的沟流。 (4)SBR反应池在运行初期,池内BOD5浓度高,而DO浓度较低,即存在着较大的氧传递推动力,因此,在相同的曝气设备条件下,SBR可以获得更高的氧传递效率。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper (5)SBR反应池中BOD5浓度梯度的存在有利于抑制丝状菌的生长,能克服传统活性污泥法常见的污泥膨胀问题。 (6)按照水力学的观点,活性污泥的沉降,以在完全静止状态下沉降为佳,SBR几乎是在静止状态下沉降,它们似乎更趋近于这一观点,因此,沉降的时间短,效率高。(7)SBR可根据来水的水温、水量、水质情况调节运行工况,以适应不同情况的运行需要。(8)利用电动阀、电磁阀、液位计、溶解氧仪、自动记时器及可编程序控制器可使SBR污水处理系统的运行过程自动化。综上所述,本工程推荐采用CASS处理工艺。3.2污泥处理工艺1.污泥处理要求污水处理厂将污水中大部分污染物质转化成污泥,含水率高,必须进行减量处理,以便于运输和后续处理;有机物含量较高,不稳定,易腐化,必须减少有机物使污泥稳定化;污泥中还含有致病菌和寄生虫卵,必须妥善安置处理;同时还要避免磷的二次释放。污泥处理不当,会造成二次污染,甚至会抵消污水生物处理的功效。所以,必须高度重视污水处理厂的污泥处置。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper2.污泥处理工艺目前国内外城市污水厂污泥最终处置和利用一般有农用,卫生填埋、焚烧、抛海以及经必要的处理后作建材利用的几种途径,其中焚烧的方法受到能源消耗大限制,抛海后海洋污染等因素的限制不予提倡。污泥利用于建材的试验,近年来虽进行了不少研究,还停留在试验阶段,尚未进入生产应用阶段。因此,目前城市污水厂污泥的出路一般还是采用污泥脱水后卫生填埋的方法。污水二级生物处理厂的剩余污泥由比较松散的颗粒组成,含水率很高,大都在99%以上。湿污泥的体积往往为干污泥体积的十几倍到几十倍。在污泥干物质中,含有55~70%的有机物和较多的氮磷等营养成份以及致病菌、寄生虫卵等有害物质。其化学性质极不稳定,常温下易腐败变质、散发臭气,如不加处置或处置不当,就会造成环境,特别是地下水环境的二次污染,甚至传播疾病。因此需要进行污泥的浓缩、脱水、稳定处理和最终处置以达到减量化、稳定化、无害化以及资源化的目的。本污水处理厂处理对象主要是城市生活污水,产生的污泥为二级污水处理厂的剩余污泥。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper污泥若采用消化处理,需增加消化池、加热、搅拌和沼气处理利用等一系列构筑物及设备,使投资增加。同时由于一期规模较小,投资效益较差,另外由于本污水处理厂工艺采用生物脱氮除磷工艺,污泥龄较长,剩余污泥量较小,因此,本工程污泥不进行消化处理,直接浓缩、脱水。目前对于污泥的最终处置,卫生填埋是解决污水厂污泥出路的较好方法。由于填埋处置具有适用范围较广、技术、工艺、设备较简单,运行管理较方便等优点,特别是与城市生活垃圾一起处置更是一种比较经济可靠的处理方式。城市污水厂污泥处置采用卫生填埋的方式,污水厂污泥一期不考虑中温消化,但必须进行污泥浓缩及脱水,尽可能减少污泥体积。据此,本工程的污泥处理拟采用污泥浓缩脱水方案,污泥浓缩脱水一般有以下二种方式:方案A:剩余污泥→污泥浓缩池→储泥池→污泥脱水→外运方案B:剩余污泥→储泥池→污泥浓缩、脱水一体机脱水→外运。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper污泥浓缩一般可采用重力浓缩和机械浓缩两种方法。由于本工程污水处理工艺为具有除磷功能的活性污泥法,产生的污泥水量较多,故不希望污泥在重力浓缩厌氧条件下放磷,使生物池中聚磷细菌富集的磷又得到释放,降低污水处理除磷效果。同时,污泥重力浓缩池占地面积大,环境影响恶劣,特别是夏天,当阳光直射敞开的污泥浓缩池,往往会产生厌氧发酵,释放大量有毒有害气体,从环境角度出发也不希望选择重力浓缩池。因此本工程选用污泥停留时间较短的机械浓缩法,对原生污泥进行浓缩、脱水,既采用方案B。污泥脱水处理是污水处理厂污泥处理处置工艺中不可缺少的一个重要阶段。污泥通过脱水处理,可以进一步降低污泥含水率,减少污泥体积,对减小后续处理构筑物的规模,降低工程投资和日常运行费用。带式一体化浓缩压滤机是一种将浓缩与压榨脱水集于一体的污泥脱水设备,其主要工作原理是:经过絮凝的污泥在浓缩段均匀分布到滤带上,依靠重力作用分离掉其中大量游离水分,污泥得到浓缩后流动性变差,再进入带式压滤机,经一、二级重力脱水及楔形区预压脱水、系列压榨辊的压榨脱水,污泥逐渐成饼并受到由小到大的挤压,剪切作用力,从而达到污泥脱水的最终目的。带式浓缩压滤机浓缩段主要由框架、进料装置、滤带承托、进料混合器、动态泥耙、滤带、冲洗、纠偏装置等组成,压榨脱水段由常用的带式压滤机稍加修改而成,与浓缩段有机组合。带式浓缩压滤机具有如下优点:①应用结果表明,脱水性能良好;②California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper采用封闭式机架结构,无溅溢,操作环境良好;③污泥处置系统中可省却传统污泥浓缩池,结构美观、较紧凑。因此本工程污泥脱水采用带式一体化浓缩压滤机,并配套絮凝剂投配装置、污泥进料泵、污泥输送机等辅助设施。其特点:噪声轻,操作方便,自控程度高,连续运行、工作条件好。3.3消毒方式2002年11月,*些国家及地区爆发了非典型性肺炎,这一疫情的元凶——冠状病毒的广泛传播和顽强存活的能力,使人们意识到消毒的重要性,尤其是污水处理厂的尾水消毒,成为防止疫情扩散的重要防线。2003年5月4日,国家环境保护总局要求“城镇污水处理厂出水应结合实际采取加氯或紫外线、臭氧等消毒灭菌处理,出水水质粪大肠菌群数小于10000个/L。由此可见污水处理厂尾水消毒的必要性和紧迫性。为了保护人类的生命健康,保护好水环境,世界许多国家和地区(北美、欧盟、日本、韩国、台湾等)都要求对城市污水在排放前进行消毒处理。我国国家环境保护总局和国家质量监督检验检疫总局于California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper2002年12月24日颁布的《城镇污水处理厂污染物排放标准》(GB18918-2002)中首次将微生物指标列为基本控制指标,将粪大肠菌群列为基本控制项目。该标准规定执行二级标准和一级B类标准的污水处理厂粪大肠菌群最高允许排放浓度不超过10000个/L。要求城市污水必须进行消毒处理,从而使污水处理标准的病理指标与国际接轨。给水及污水消毒方法可分为两大类,即化学消毒法和物理消毒法。化学消毒法有加氯消毒和臭氧消毒等;物理消毒法有紫外线消毒等。化学消毒法一般都会产生消毒副产物,而紫外线消毒是唯一不会产生消毒副产物的方法,不会造成二次污染问题。紫外消毒技术是利用紫外线-C波段(即杀菌波段,波长180nm~380nm)破坏水体中各种病毒和细菌及其它致病体中的DNA结构,使其无法自身繁殖,达到去除水中致病体的目的。紫外线消毒技术对细菌病毒以及其它致病体的消毒效果已得到全世界的公认,该消毒技术具有下列明显的优点:高效率杀菌,对细菌、病毒的杀菌作用一般在一秒以内;高效杀菌广谱性高,优于常用消毒剂;无二次污染;运行安全、可靠,是一种对周边环境以及操作人员相对安全可靠得多的消毒技术;运行维护简单,费用低,其性能价格比高;占地小,无噪音。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1982年加拿大*公司发明了世界上第一套明渠式安装的紫外线消毒系统,并引进了模块化紫外线消毒系统概念,即紫外线系统可由若干独立的紫外灯模块组成,且水流靠重力流动,不需要泵、管道以及阀门。系统维护可对单个模块进行,且紫外灯模块可轻易地从明渠中直接取出进行维护检修,维护时系统无需停机,可继续运行消毒,因而无需备用设备,如果需要对明渠进行清理也很方便。模块化明渠式消毒装置大大降低了紫外线污水消毒的成本并使得系统维护简单方便。同时,当污水处理厂在扩建或改造时,只需适当增加紫外灯模块的数量,而无需添购整套系统,可以节省设备投资,使用起来非常灵活。这一发明得到了污水处理厂的欢迎,大大推动了紫外线消毒技术在城市污水消毒处理中的应用。目前在世界各地已经有3000多家城市污水处理厂安装使用了紫外线污水消毒系统,其中95%以上的系统采用了明渠式模块化紫外线系统的创意。这些污水消毒系统规模小的每天处理几千立方米污水,大的每天处理几百万立方米污水。在亚洲,1999年香港石湖墟污水处理厂投入运行,该厂规模240,000m3/d,消毒后粪大肠杆菌小于California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper10000个/L。2000~2003年间,陆续有深圳市、上海、无锡、苏州等地采用紫外线消毒系统。随着对污水尾水消毒的日益重视和运行经验的积累,紫外线消毒技术将得到推广,预计今后有条件的污水处理厂中50%将会采用紫外线消毒,并成为取代传统化学消毒方法的主流技术。同时本工程的一期尾水排放采用近海排放,最终尾水排放采用深海排放,如采用加氯等消毒方式,余氯和消毒副产物必将对海洋生物系统产生影响。紫外线消毒工艺主要构筑物为紫外线消毒池,配置设备为紫外线消毒装置(紫外线灯管)及其附属系统(自动水位控制器、紫外线灯管清洗槽等),运行管理维修十分方便。因此本工程设计采用UV消毒工艺。3.4曝气方式在污水生化处理系统中,特别是大中型污水处理厂,曝气设备耗电占整个污水厂电量的60~70%,曝气器的效率直接影响到污水处理的效果、工程投资和运行费用。曝气装置种类繁多,有表面嚗气、鼓风嚗气、射流嚗气等,SBR工艺一般采用鼓风曝气曝气形式。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper鼓风嚗气根据气泡可分为大、中、小形式,大中气泡氧利用率较低,目前一般较少使用。较常用的为微孔曝气,其形式有很多种,传统的微孔曝气器如钛板、陶瓷微孔曝气器以硅石或钢玉等主要材料制成,这类曝气孔眼容易堵塞,工程维护量大,对气体除尘、除油、锈要求严格等弊端,现在污水厂多利用可变孔式微孔管式曝气器,氧利用可达到20~26%,标准充氧效率一般可达5~6kgO2/kwh,因此,本工程采用微孔管式曝气器。3.5池型选择在污水生化处理系统中,特别是大中型污水处理厂,曝气设备耗电占整个污水厂电量的60~70%,曝气器的效率直接影响到污水处理的效果、工程投资和运行费用。本工程采用CASS工艺,省却了初沉池和二沉池,因此主要污水处理构筑物有沉砂池和CASS池,CASS池一般均采用方形池,因此,仅对沉砂池池型进行比较。沉砂池的功能主要是去除城市污水中一定直径的砂粒,以保证后续处理构筑物和处理设备的正常运行,在污水处理过程中,沉砂池有多种形式,一般有平流沉砂池、曝气沉砂池、旋流沉砂池等形式。平流式沉砂池是利用砂粒和水的不同比重,控制一定的水平流速,使砂、水得到分离,该池型是较为经典的沉砂池形式。曝气沉砂池呈平流型式,在池的一侧充入空气,使污水沿池旋转前进,从而产生与主流垂直的横向恒定速率,使流速不因流量变化而变化,曝气沉砂池的优点在于通过调节曝气量,可以控制水流的旋转速度,使除砂率较稳定。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper旋流沉砂池利用水力涡流,使泥砂和有机物分开,以达到除砂的目的,这种池型较典型的形式有钟氏和比氏两种类型,污水从切线方向进入圆形沉砂池,进水渠道未端设一跌水槛,使可能沉积在渠道底部的砂子向下滑入沉砂池,还设有一个挡板,使水流与砂子进入沉砂池后向池底进行,在沉砂池中间设有可搅拌的浆板,使池内的水流保持环流,在重力的作用下,使砂子沉下,并向中心移动,由于愈靠近中心水流断面愈小,水流速度逐渐加快,最后将沉砂落入斗内,而较轻的有机物,则在沉砂池中间部分与砂子分离。从其他已建工程的沉砂池来看,旋流沉砂池具有基建、运行费用低、去除砂效果好的优点;因此,本工程推荐采用旋流沉砂池。3.6除臭设计3.6.1除臭方法为减少污水厂在运行中对周边环境的影响,在泵房内和脱水机房内设除臭装置进行除臭。目前常用的除臭工艺有活性炭过滤法、植物提取液喷洒法、生物法和离子除臭法四大类。(1)化学吸收法California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper臭气由通风设备收集,通过风道经过活性炭过滤器过滤吸附空气中的H2S,从而达到除臭的目的。这种方法的优点是:处理效果好,运行稳定,耐冲击负荷能力强;缺点是药剂需定期更换,运行费用较高。(2)植物提取液喷洒法这种方法主要是通过喷洒设备,将植物提取液喷洒进入空气,吸收臭气中的H2S,从而达到除臭的目的。这种方法的优点是:一次性投资少,处理效果好,运行稳定;缺点是药剂是一次性产品,需要一直补充,运行费用较高,目前只有加拿大有,只能依靠进口。(3)生物法通过附着在填料上的生物膜来降解空气中的臭味,这种方法的优点是在加强管理的情况下,处理效果良好,运行费用很低(相对于前两种方法)。缺点是:处理效果受进气浓度影响,不太稳定。(4)离子除臭法空气在通过高能离子发生装置时,氧气分子受到经过发生装置发射出的高能量电子碰撞而形成分别带有正、负电荷的氧离子。这些正、负氧离子具有较强的活动性,在一系列反应后,将含C、H、S元素的化合物最终形成小分子化合物CO2California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper、H2O、SO2,无二次污染物产生;并且还能有效地破坏空气中细菌的生存环境,降低室内空气中的细菌浓度;离子在与空气中微小固体颗粒碰撞后,使颗粒荷电并产生凝聚效应,使得传统过滤方式不能捕捉的且对人体有害的微小颗粒变成可以捕集或靠自身重力而沉降下来,达到净化空气的目的。采用高能离子发生装置,借助通风管路系统向散发臭气的空间送入可控浓度的正、负氧离子空气,用离子空气“罩住”污染源表面(如污水池等),使离子在极短的时间内与有害气体分子发生反应,扼制其扩散并降低其浓度,保证现场的操作人员在良好的环境中工作,并且还能对仪器仪表起到减少锈蚀、延长使用寿命的作用。3.6.2除臭方案比较除臭方案技术经济比较表项目活性炭吸附法生物法植物喷洒法高能离子法基建费用高高低高运行费用高低高低运行稳定性较好一般较好较好操作管理较方便不方便较方便很方便California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper维护不方便不方便不方便方便二次污染有有有无占地面积较小较大较大较小 3.6.3除臭方案确定综合考虑投资、运行费用、运行稳定性、操作管理、维护、二次污染、占地面积等情况,本可研报告选择高能离子除臭法作为推荐除臭工艺。3.7尾水排放以及对河涌的环境影响3.7.1尾水排放城区污水处理厂尾水排入官山涌,官山涌常水位0.6~0.8m,历史最高水位2.94m,本工程尾水排放按50年一遇洪水位考虑,官山涌50年一遇洪水位为2.50m。3.7.2水环境影响论证(1)纳污水体的功能及水文特征本污水处理厂的污水经处理后排入官山涌。官山涌北连环山沟至三水,南经樵北大闸接北江,北至三水区南岸,是一条尽头涌,排灌支涌纵横交错。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper官山涌是城区内的主要纳污水体,收纳城区内大量的工业废水、居民生活污水、生活垃圾及农业污染物等。官山涌水体主要靠流域集雨补给,亦受樵北大闸的影响。由于官山涌水体的流动受官山樵北大闸限制,涌内水体以静态为主,污染物在涌内回荡,难以与外界交换。位于*镇坎头村樵桑联围牌堤段的界牌引水闸,在开闸引水时,将会改变官山涌原来只受降水补充、流速缓慢的情况,水体更新速度加快,流量增大,下泄量增多,水位抬高。但官山涌亦受下游官山闸的控制,当官山闸关闭时,官山涌上游来水在下游涨高的水位的影响下,其流速将有所减慢。(2)污水经处理前后的污染物的对比分析生活污水中含有大量的有机耗氧物质,未经处理直接排入水体,将引起水体的富营养化。而污水处理厂建成后,污水经处理达标后再排入官山涌,然后流入北江,这将大大削减有机污染物的排放量。本项目的污水处理能力为10000吨/日。因此,我们从污水处理厂建成后,对排入纳污水体的污染物进行比较分析。各污染物在污水处理厂扩建前后排入纳污水体的浓度及源强项目扩建前扩建后减幅(%)California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperCOD浓度(mg/L)3006080%源强(kg/d)3000600BOD浓度(mg/L)1502087%源强(kg/d)1500200氨氮浓度(mg/L)30866%源强(kg/d)30080SS浓度(mg/L)1502087%源强(kg/d)1500200 由上表分析可知,未经处理的生活污水中的COD、BOD、氨氮、SS等污染物的浓度严重超标,直接排入纳污水体,将严重影响纳污水体的水质,导致水质的进一步恶化。当污水处理厂建成后,污水经处理达标后再排入纳污水体,污水中的COD、BOD、氨氮、SS等污染物的浓度均得到较大幅度的削减。说明污水处理厂的建成,对纳污水体的水质会有较大的改善作用。可见,从可持续发展的角度来看,该污水处理厂的建设是有积极意义的。4工艺设计4.1工艺流程California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1.污水处理流程城市污水经厂外截污干管运输进入污水处理厂,经过原排洪站改造后的提升泵房提升后,进入细格栅和旋流沉砂池,以去除比较小的漂浮物和砂粒,砂粒经螺旋分离机分离后外运;沉砂池的出水自流进入CASS池,CASS池主要分为二个区,生物选择区和主反应区,通过这二个区后,完成生物脱氮除磷作用;CASS出水要经过紫外消毒以及出水计量后才可排放。2.污泥处理流程剩余污泥通过剩余污泥泵排入储泥池,储泥池污泥由螺杆泵提升至浓缩脱水一体机,脱水后的污泥由皮带输送机输送到污泥料斗。储泥池排出的上清液以及脱水机排出的压滤液自流进入厂内泵房。4.2主要处理构筑物工艺设计1.提升泵房原城区排洪站改造为提升泵房,提升后的污水经过1.5km管道至污水处理厂,提升泵房与格栅井合建,土建、设备按照近期一次建成。格栅井内设B=600mm的回转式机械格栅2套,栅渣通过设在格栅后的螺旋输送机输送至垃圾桶内外运处置。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper进水泵房平面尺寸根据原排洪站改造,水泵集水井底板标高为-7.00m。近期按照水量Q=1.0万m3/d设置潜污泵3台(2用1备),原雨水泵不变,远期另行建设提升泵房。·提升泵房内近期新配备设备:(1)潜水污水泵:Q=330m3/hr,H=12m,N=22kW,共3套,2用1备(其中1台变频控制)(2)格栅除污机:B=600mm,b=25mm,H=6800mm,α=75°,N=1.1kW,1套(3)螺旋输送压榨机:φ300mm,L=4000mm,N=2.2kW,1套(4)电动葫芦:W=2t,H=9m,N=3.4kW,1套(5)手电两用圆闸门:DN1000,N=1.5kW,3套(6)壁式轴流风机:Q=480m3/hr,H=316,N=0.55kW,2套2.细格栅及沉砂池细格栅井与沉砂池合建,按Q=1.0万m3/d规模建设。细格栅及沉砂池进水渠宽B=400mm,有效水深H0=0.5m,内设宽0.4m,栅距10mm的回旋式细格栅2套,安装角度75°,栅后设螺旋输送压榨机1套,用于细格栅栅渣的输送和压榨,便于外运处置。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper采用2套旋流式沉砂池,最大时流量的停留时间为40s。产砂量按3×10-2L/m3计算,砂含水率为60%,容重为1500kg/m3。沉砂池单池平面尺寸为D=1.83m,H0=1.0m。贮砂区平面尺寸D1=0.8m,H1=1.4m。内设沉砂设备1套,经过砂水分离后的砂粒储在砂桶内,定期外运。·旋流沉砂池配备设备:(1)皮带输送机:DS-500,B=500mm,L=2000mm,N=1.5kW,1套(2)细格栅除污机:B=400mm,b=10mm,N=0.37kW,α=75°,2套(3)立式桨叶分离机及汽提吸砂系统:SFX-2.13,φ2130mm,N=2.6kW,2套(4)砂水分离器:LSF-260,Q=12L/s,N=0.37kW,1套(5)梁道叠梁门:2套,B=400mm3.CASS反应池CASS池建设规模1.0万m3/d。设1座(分4格,可独立运行)。每格平面尺寸为44.5m×10m,有效水深5.0m,单格有效容积2225m3。CASS池每天工作6个周期,每周期工作时间为4hr,主要设计参数为:California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper进水及反应时间:2hr(同时曝气及污泥回流)沉淀时间:     1hr排水时间:     1hr排出比:       18.7%CASS反应池    MLSS=4g/LBOD5有机负荷:0.08kgBOD5/kgMLSS·d污泥产率:     按照0.7kgSS/kgBOD5·d计算,每天约产泥910kg/d氧利用率:     20%,采用管式微孔曝气管每座CASS池设进水DN250电动闸门一只,CASS池运行采用PLC自动控制。CASS池内设回流泵,回流比20%。污水处理过程中的剩余污泥通过剩余污泥泵定期排入污泥池。每格CASS池设1台滗水器,采用机械电动式,当CASS池需要排水时,滗水器通过机械驱动装置以一定速度下降,完成排水过程后,滗水器上升,直到下一个排水周期。·CASS池配备设备:(1)机械传动旋转滗水器:单套负荷Q=500m3/hr,N=2.0kW,4套California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper(2)内回流泵:Q=25m3/hr,H=5m,N=1.1kW,4套(3)剩余污泥泵:Q=25m3/hr,H=5m,N=1.1kW,4套(4)电动蝶阀:DN250,N=0.75kW,4套(5)微孔排气管:Q=20m3/m·hr,效率>20%,1000m,建议采用进口设备提升氧利用率。4.消毒池消毒池新建,采用紫外消毒,平面尺寸5.92m×1.42m。·消毒采用的设备:(1)TROJANUV3000K(建议采用进口设备)5.加药间利用原有配电间和脱水机房,改成除磷加药间。投加药剂为铁盐,加药量为30mg/L。·加药采用的设备:(1)铁盐溶剂储罐:V=4m3,2只;(2)加药泵:Q=300L/hr,H=2bar,N=1.5kW,2套,1用1备。6.鼓风机房California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper鼓风机房土建规模按照10000m3/d进行。其平面尺寸为13.5m×7.0m,层高6m。内设罗茨鼓风机5台,4用1备。鼓风机配套设置进口过滤网,进出口消声器。·鼓风机房配备设备(1)三叶罗茨鼓风机:Q=17.5m3/min,H=0.06Mpa,N=30kW,5套,4用1备,配进风过滤器,进出口消声器。(2)电动蝶阀:DN200,N=0.55kW,5个7.储泥池污水处理过程中产生的剩余污泥通过剩余污泥泵排入储泥池,储泥池分为并联的二格,单格平面尺寸为4.5m×4.5m,有效水深4.0m,总有效容积81m3。按照Q=1000m3/d规模考虑,每天剩余污泥量为455m3/d(含水率为99.8%),停留时间为4.2hr。·储泥池配备设备:(1)潜水搅拌机QJGA-1.5,φ260mm,N=1.5kW,2套8.脱水机房与污泥堆棚储存在储泥池的剩余污泥通过污泥泵提升至污泥浓缩脱水一体机进行污泥浓缩脱水,污泥脱水机房与污泥堆棚合建。平面尺寸为18.45m×12.48m,层高6.0m。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper脱水机房内设污泥进料泵2台,1.0m宽污泥浓缩脱水一体机1套。脱水后的泥饼通过皮带输送机输送至污泥堆棚暂时储存。污泥浓缩过程中需投加高分子有机絮凝剂阳离子PAM,投加浓度为0.2%。脱水后的污泥含水率小于80%。为减轻脱水机房内的异味,改善工人的操作环境,在脱水机房内设置通风除臭设备,通风次数按8次/hr计。·脱水机房内配备设备:(1)带式污泥浓缩脱水一体机:B=1000mm,N=3kW,1套(2)进泥泵:Q=20~70m3/hr,H=20m(变频控制),N=4kW,2套,1用1备(3)加药设备:N=1.1kW,1套(4)水平螺旋输送机:L=8000mm,N=2.2kW,1套(5)冲洗泵:N=5.5kW,1套(6)空压机:N=7.5kW,1套(7)壁式轴流风机:N=0.37kW,4套4.3辅助建筑物设计污水厂内辅助建筑物根据建设部颁发的《城镇污水厂附属建筑和附属设备设计标准》(CJJ31-89),并考虑到本工程的实际情况,各主要附属建筑物建筑面积如下:California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1.综合楼总建筑面积:600m2内设化验室、展览室、生产管理办公室、行政管理办公室、会议室等。2.机修间、仓库建筑面积80m2,主要负责厂内设备和零配件修理。3.门卫建筑面积16m2。4.4厂区总平面设计污水处理总图布置原则如下:1)与现有处理构筑物在流程上衔接,在平面布置上协调。2)按照不同功能,夏季主导风向和全年风频,合理分区布置,并用绿带隔开。3)各相邻处理构筑物之间间距的确定,考虑各类管渠施工维修方便。4)考虑人流、物流运输方便,布置主次道路。5)满足消防安全要求。6)变配电间布置临近用电负荷中心。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper7)按照建成花园式处理厂要求,进行绿化小品布置。8)便于分期建设,减少首期投资。9)考虑与周围环境的协调。10)工艺流程流畅,按流程及排出的位置综合布置。11)处理构筑物布置紧凑,节约用地便于管理。本工程总图根据以上原则进行布置:根据地形及工艺流程,整个厂区划分成污水处理区、污泥处理区、生活区三个功能区;其中厂区北部为污水处理区,东面为污泥处理区,污泥区紧靠污水处理区。辅助建筑布置于厂区东南部,位于常年风向上风,这样形成生产区与生活区两大部分。根据污水厂总体布置,设置二个出入口,位于厂区东南部,分别用于办公人员进出和污泥垃圾车辆运输。处理构筑物按进出水方向顺工艺流程依次从南向北布置,。整个厂区为不规则形状,总面积8470m2。在厂区四周均设有绿化带,全厂绿化面积占总面积的20%以上。这样,这个厂区布置紧凑,功能分区明显,占地少,原有工程和扩建工程具有独立性和完整性,衔接较好。污水厂扩建构筑物布置详见污水处理厂总平面设计图。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1.厂区道路为了便于厂内交通运输以及设备安装维修等,厂内设置4~6m宽的环状道路,转弯半径8m,混凝土路面,污水处理厂的各个构筑物、建筑物均布置在道路的两侧。2.厂区管线厂区管线包括:污水处理工艺管道、剩余污泥管道、空气管道、加药管道、给水管道、电力自控管线等,分别按各自要求布置。 (1)给水管道污水处理厂中溶解药剂、冲洗压滤机等生产以及绿化、消防的水都建议回用净化水,因此进厂的自来水主要是职工的生活用水。自来水通过市政管网供给,由*镇自来水公司负责规划就近接入。经计算本工程的每日用水量约为10吨。管径采用DN100钢管,在进水管上设水表井,计量整个污水厂的用水量。为了保证消防以及供水安全的需要,管路在厂区内布置成环状。(2)厂区排水管道California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper厂区排水实行雨污分流制,厂区雨水由道路雨水口收集后汇入厂区雨水管道,并自流排入内河涌。厂区的生活污水、生产废水、清洗水池污水、构筑物排空水、污泥处理冲洗水、压滤液等经厂内的污水管道收集后进入集水池,与进厂污水一并处理。 (3)管线综合厂区管线综合按如下原则:污水、污泥工艺管道流程流畅,各种管线的相互平面和垂直间距满足有关地下管线综合的规定,平面布置在保证管线功能的前提下使管线尽可能短;竖向布置在满足最小覆土深度要求的条件下使各种管线埋深尽可能浅;当管线交叉时,原则上压力管道让重力管,小管道让大管道。在高程布置上,将电力、自控、通讯线路及管沟放在最上层,中层是热力、给水管、小口径污水、污泥压力管,最下层是厂区排水管道。3.厂区绿化污水处理工程是体现城市建设及社会效益的工程,是为人们营造优美的环境服务的,因此,环境设计至关重要。本工程在满足工艺要求的同时,注重城市周围环境,为美化城市创造条件。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper在总平面设计中,将一切可绿化的地方,采用复合层次的绿化,增加绿化覆盖面。选择具有较强抗污染能力的树种,同时结合花草、喷泉、雕塑小品、花坛,合理布局,美化环境,运用树种的合理搭配,乔木、灌木、草坪、花卉的有机结合,形成多层次的绿化环境和随着季节演变的色彩美。在绿树、鲜花、草地的衬托下,使单调、呆板的工厂环境显得富有活力和艺术魅力,利用高出地面的池壁,引种攀爬植物,局部挑出花池将绿化向立体化发展,形成一个四季有景,雅境清新的花园式工厂。对整个厂区微小气候改善,生态平衡,大有裨益。4.5污水处理厂竖向设计污水厂高程布置原则·简洁、流畅,使各构筑物之间联系管道最短;·根据受纳水体水位确定各构筑物水位标高。据此本工程设计高程布置如下:新建处理厂设计地面绝对标高为4.00m。污水处理厂尾水受纳水体为官山涌,河道紧贴污水处理厂,其最高水位约为2.94m。考虑尾水可以自流排出,因此消毒池设计水位为3.50m,并依次确定处理构筑物高程。4.6主要设备表表4-1工艺设备一览表California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper序号设备名称规格型号及技术参数单位数量功率kW备注1潜水污水泵Q=330m3/hr,H=12m台322 2格栅除污机B=600mm,b=25mm,H=6800mm,α=75°套21.5 3螺旋输送压榨机φ300mm,L=4000mm套12.2 4电动葫芦W=2t,H=9m套13.4 5手电两用圆闸门DN1000套31.5 6壁式轴流风机Q=480m3/hr,H=316套20.55 7皮带输送机DS-500,B=500mm,L=2000mm套11.5 8细格栅除污机B=400mm,b=10mm,α=75°套20.37 9立式桨叶分离机及汽提吸砂系统SFX-2.13,φ2130mm套22.6 California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper10砂水分离器LSF-260,Q=12L/s套10.37 11梁道叠梁门B=400mm套2  12机械传动旋转滗水器单套负荷Q=500m3/hr套42.0 13内回流泵Q=25m3/hr,H=5m套41.1 14剩余污泥泵Q=25m3/hr,H=5m套41.1 15电动蝶阀DN250套40.75 16微孔排气管Q=20m3/m·hr,效率>20%米1300  17紫外消毒装置TROJANUV3000K套17.5配套附件18三叶罗茨鼓风机Q=22m3/min,H=0.06Mpa套5304用1备19电动蝶阀DN200个30.55 20潜水搅拌机QJGA-1.5,φ260mm套21.5 21加药泵Q=300L/hr,H=2bar套21.5California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1用1备22带式污泥浓缩脱水一体机B=1000mm套13 23进泥泵Q=20~70m3/hr,H=20m(变频控制)套241用1备24加药设备 套11.1 25水平螺旋输送机L=8000mm套12.2 26冲洗泵 套15.5 27空压机 套17.5 28壁式轴流风机 套70.37 29高能离子除臭设备 套23 5建筑设计5.1设计指导思想和设计原则California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1.本工程建筑设计:坚持以人为本的设计思想,面向二十一世纪,贯彻生态、文化、效益三原则统一的规划思想,充分发挥场地优势,以及整体环境满足人们生理、心理、情感方面的需求,将本厂区规划建设成为一个风格独特,布局合理,功能齐全,集生产、生活于一体的新型厂区。2.生活区内绿化布置有集中绿地、花坛,尽可能提高绿化率,改善生活环境。3.本工程建筑尽可能采用新技术,新材料,新设备,以及先进的管理方法。5.2总平面布置及竖向布置1.本工程设计本着安全、方便、先进的原则对厂区进行规划。根据用地形状特殊及周边建筑的限制,合理布置建筑位置及间距。厂区分为生产、生活两部分,主入口设置于厂区东南侧。小区车行道呈环状、树枝状布局。既满足了交通,又满足消防要求。小区道路两侧种植乔木,铺设草皮,种植花灌木。生活区与生产区道路之间种以绿化,即美观,又隔离噪声。2.竖向布置California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper竖向设计主要根据场地周围道路标高情况及市政雨污水管的标高确定,道路中心线标高4.00m。5.3建筑风格与立面建筑外观造型,以坡屋顶为建筑风格,蓝色坡屋顶,米黄色墙面,仿石基座,整体色调采用暖色调,阳台采用黑色花饰栏杆,墙面饰以白色檐口以及线脚点缀,细部处理精当。顶部局部采用带有老虎窗的复斜坡顶以及局部的塔楼,加强了立面造型也丰富了建筑的天际线。 6结构设计6.1主要设计参数按照总体规划,建议对所确定的厂址重新进行详细的勘探。依据相关规范、资料以及工艺设计,主要设计参数如下:场地内设计考虑的最高地下水位在设计地面以下1.0米;构筑物抗浮安全系数应大于或等于1.05,抗倾覆为1.50,抗滑1.30;水池池体裂缝展开宽度允许值为0.2mm,抗渗S6。6.2结构材料混凝土:California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper所有盛水构筑物及地下钢筋混凝土构筑物均采用C25,抗渗标号S6;上部房屋建筑现浇钢筋混凝土构件及小型预构件均采用C20;池内填筑混凝土采用C20混凝土;基础垫层采用C10。钢材:钢筋:   I级钢筋采用HPB235(Ф表示),强度设计值Fy=210N/mm2;II级钢筋采用HRB335(Ф表示),强度设计值Fy=300N/mm2。钢预埋件:采用A3钢。水泥:采用425号普通硅酸盐水泥。砖砌体:设计地坪面以下墙体采用Mu10粘土标准砖,M7.5水泥砂浆砌筑;设计地坪面以上墙体采用Mu10多孔砖,M5混合砂浆砌筑。饰面标准:凡露出地面以上的构筑物水池墙体外表面,均满贴彩釉面砖;California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper钢筋混凝土构筑物,水池外壁面,埋入地面以下的部分防腐沥青喷涂二度;所有建筑物及构筑物上的建筑栏杆,均采用Ф50不锈钢组合栏杆。上部建筑及厂房,原则上均采用钢筋混凝土整体框架结构,现浇梁板体系结构。 6.3构筑物结构形式构筑物为现浇整体式钢筋混凝土水池结构,可采用井点设备降低地下水位,开挖土坑,在基坑内干法操作施工。污泥脱水机房/加药间、高低压配电间为框架结构房屋,其下采用钢筋混凝土条形基础。综合楼及辅房等均为钢筋混凝土框架结构,柱下混凝土条形基础。厂区围墙采用透明式砖砼结构及钢栅围墙。7电气设计7.1电源California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper本污水厂为三级负荷,拟采用一路10kV常用电源进线,考虑到当地供电实际状况,采用柴油发电机作为主要设备的备用电源,保证污水厂正常运行。常用电源采用短段电缆以直埋敷设方式进高配间。7.2设计范围1.10KV、0.4kV变配电系统及高低压配电设施;2.用电设备的配电、控制和保护;3.防雷和接地4.全厂照明系统及布置;5.电缆敷设;7.3负荷计算根据本工程的用电负荷,采用需用系数法和单位面积估算法分别计算如下:工程总计算功率150kw,合计如下表: 装机容量(kw)计算容量(kw)集中补偿量(kVAR)变压器容量(KVA)单机最大容量(kw)变电所0.4kv3011502X502X25030 California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper所有负荷均为低压负荷。7.4变配电系统1.厂内设一座变配电所,与鼓风机房合建,包括一间高低压配电间、一间控制室。2.10KV高压系统采用单母线运行方式,0.4kV低压侧采用单母线运行方式,柴油发电机作为备用电源,当电源进线失电时,手动投切柴油发电机备用电源。3.根据负荷计算设二台250kVA的变压器,负载率大于75%。4.低压侧设电容集中自动补偿装置,补偿后功率因数达0.9以上。7.5设备选型1.高压采用金属铠装移开式开关柜。2.低压采用抽屉式开关柜。3.变压器选用干式变压器。4.高压采用综合型继电保护装置。5.高压进出线开关采用真空负荷开关,弹簧操作机构,操作电源为交流220V电源。7.6保护和控制California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1.变压器出线设电流速断、带时限过电流及低压侧单相接地保护。2.低压进线设延时速断及过电流保护。低压出线设速断。3.电动机设速断,过负荷保护。4.除鼓风机需软启动外,其它所有低压电机均为直接启动。5.潜水泵电机设电流速断、过载、泄漏、温度及干运行保护。6.厂内主要工艺设备的控制采用手动-自动控制两种方式,手动控制时利用机旁按钮进行开停操作,自动控制时利用接受PLC的命令进行遥控。利用转换开关进行手动-自动操作的切换,手动级别优先于自动级别。7.7电缆选型及敷设户内敷设的电缆采用VV-1型聚氯乙烯护套铜芯电缆,敷设方式为穿管或走电缆桥架。户外敷设的电缆采用VV22-1型聚氯乙烯护套钢带铠装铜芯电缆,敷设方式为电缆沟和直埋的相结合敷设方式。7.8接地与防雷1.本工程采用TN-C-S制的接地保护方式,变配电所采用联合接地体,保护及避雷共用接地网,接地电阻不大于1Ω;馈线距离超过50m处的构筑物,在电缆进线处设重复接地装置,接地电阻不大于10Ω。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper2.本工程将根据当地实际气象和地质条件进行防直击雷设计。3.0.4KV进线侧设防电流浪涌保护器,减少雷电波的入侵损害。7.9计量本工程采用高供高计,动力和照明分别计量的方式,计量装置设在高压和低压开关柜内,计量表计设在专用计量屏内。7.10设计分界点10kV电源进线电缆头为界。8仪表及自控设计8.1总述1.本次工程近期规模为1.0万m3/d,污水处理工艺为CASS工艺。本次仪表及自控按1.0万m3/d设计,并预留远期所需扩展接口。2.根据工艺流程配置完整的液位、流量、水质分析等检测仪表。3.California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper按集中管理、分散控制的模式,设立SCADA控制系统。SCADA控制系统分为二级:中央控制站、现场控制站。中央控制站设于综合楼集控室;现场控制站设二个,分别位于进水泵房、鼓风机房。中央控制级完成二期工程的数据通讯和调度管理;现场控制级独立完成该区域有关工艺过程的参数检测值和设备控制。8.2设计范围1.本次设计仅限于本厂范围之内。2.本次设计包括仪表设计、自控系统设计、通讯系统设计、电话设计及防雷接地设计。8.3设计原则1.根据工艺流程配置完整的检测仪表。2.所有检测仪表信号的传送和显示。3.根据工艺和设备运行要求设置自动控制或自动调节装置。4.采用集中管理、分散控制、近远期相结合的方式设立SCADA控制系统。8.4污水厂仪表设计1.进水泵房(一座)集水井设1套超声波液位计,测量进水泵房液位并控制进水泵的开停,测量信号送1#现场站。进水泵房集水井设2套液位开关,作高低液位报警及水干运行保护,测量信号送1#现场站。2.细格栅及沉砂池(一座)California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper细格栅前设1套PH测量仪,测量进水PH值,测量信号送1#现场站。3.CASS池(4座)4座CASS池每池设DO测量仪1套,共4套,测量溶解氧值,测量信号送2#现场站。4座CASS池每池设浮球开关1套,共4套,测量池内液位,测量信号送2#现场站。4.污泥脱水机房(1座)污泥脱水机进泥管设1套电磁流量计,测量处理泥量,测量值送2#现场站。5.出水参数全厂出水管设一套流量计,测量出水流量,测量信号送2#现场站。全厂出水管设一套COD测量仪,测量出水COD值,测量信号送2#现场站。6.电气系统高压柜设电量变送器测二路10KV进线电流、电压等信号,测量信号送2#现场站。低压柜设综合电量变送器测380V电流、电压、功率等信号,测量信号送2#现场站。高、低压柜断路器信号送2#现场站。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper8.5通讯设计本工程通讯网络分为二级:第一级为中央控制站监控计算机至现场站基于IEEE802.3标准的工业以太网;第二级为现场PLC至远程I/O之间的现场总线。现场仪表及设备控制箱则采用I/O硬线连接至现场站PLC或远程I/O。综合楼内电话总机房设电话总机一部及传真机一部。进水泵房、、出水泵房、配电间及脱水机房内值班室设电话1门,综合楼内办公室及会议室各设电话1~2门。8.6防雷及接地每个控制站均设一套电源防雷装置及一套信道防雷装置。每个控制站工作接地、保护接地均设与构筑物内等电位接地体相连,构成等电位连接,总接地电阻<1欧姆。8.7设备选型设备选型立足于可靠性和先进性,控制系统必须工业级设备,仪表电源为220VAC或24VDC。9安全防火环保节能9.1环境保护California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper工程环境保护的主要目的:消除或减少施工期各类污染,把对周围环境的影响控制到最小;控制运行期噪音对周围居民点的影响、合理处置各类固体废弃物、消除臭味对周围环境的影响。1.施工期噪声影响噪声不会造成大的影响2.施工期大气污染防治施工期大气污染主要是施工期粉尘散落和运输过程扬尘的影响,防治措施如下:a)堆放砂、土的场地及搬运操作中应经常洒水,使物料表层经常处于湿润状态。b)水泥应密闭输入贮存塔。水泥装卸口都应有袋式除尘器,混凝土应当湿法装在混合车中。c)按照弃土处理计划,及时运走弃土,装运时不超载,装土车沿途不洒落。车辆驶出工地前应将轮子的泥土去除干净,防止沿程散落。d)运输散货的车辆,应配备两边和尾部挡板,并用防水布遮盖好,并超出两边和尾部挡板至少300mm。e)工地上的道路应每天定期打扫,清除弃土,散落建材等。路面上洒水保持湿润。施工场地应安装洗车设施和冲洗进出的车辆。f)施工场地和居住区不容许随意焚烧废物和垃圾。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperg)做好施工人员劳动保护,佩戴防尘口罩等。3.施工期废污水的处理生产废水主要来源于砂史料筛分、砼搅拌冲洗、基坑废水、养护等,其浊度和含泥量较高,但含重金属和毒物质微小。生产废水拟采用沉淀池处理,停留时间半天以上,排放标准为SS≤20mg/L。处理设施与生产同步进行。4.建立计划、制度,加强管理施工单位制定各项规章制度,尽可能减少施工对周围居民影响,提倡文明施工,组织施工单位及业主联络会议,及时协调解决各种问题。施工中遇到有毒有害废弃物应暂时停止施工并及时与地方环保、卫生部门联系,经他人采取措施处理后才能继续施工。5.运行期环保设计1)运行期间的生活、生产污废水生活污水来自运行管理人员,生产废水产生于设备及建(构)筑物的检修、维护。经分流制系统,进入场内污水提升井,由水泵提升至后续构筑物进行处理。2)工艺设备噪声的控制California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper污水场区布置绿化隔离带,声源在传播过程中,受距离、空气吸收、绿化屏障等因素作用,继续发展衰减,所以工艺设备的噪声传到场外,影响微弱,厂的噪声水平基本维持现状,工程的运行不会扰民。3)固体废弃物的处理和处置脱水后置于污泥堆棚内,及时运往填埋场。现场设立垃圾站,集中堆放管理人员的生活垃圾等,定期清理外运填埋。4)绿化隔离带为消除臭味对周围环境的影响,工程布置设立绿化隔离带,并可进一步降低生产噪声对外界的干扰。a)污水处理构筑物采取密集型布置,增加绿化面积,将处理构筑物分区,并用绿化带隔离,特别时把场内生活管理区(厂前区)和生产区用绿化带隔离,创造良好的环境。b)污水厂四周设置绿化带,定加强噪声的防止,采用低噪声的机械设备,并采取有效的隔音措施,进一步降低噪声对环境的影响。9.2劳动保护及安全卫生在污水处理厂运转之前,需对操作人员、管理人员进行安全教育,制定必要的安全操作规程和管理制度。同时,需设置安全生产措施。1.安全措施California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper遵照《中华人民共和国劳动法》,并依据有关国家标准,配备劳动安全卫生设施。1)设备、材料安全防护a)所有的电气设备的安装、防护,需满足电气设备有关安全规定。b)机械设备危险部分,如传动带、明齿轮、砂轮等必须安装防护装置。c)厂区管理、闸法均考虑阀门井或采有操作杆接至地面,以便操作。d)易燃、易爆及有毒物品,设置专用仓库,专人保管,并满足劳动保护规定。2)栏杆维护各处理构筑物走道和临空天桥均设置保护栏杆,且采用不锈钢制作,其走道宽度、栏杆高交强度均须符合国家劳动保护规定。3)有毒有害气体防护a)在产生有毒气体的工段,设置H2S测定仪、报警仪和通风系统,并配备防毒面具。b)对脱水机房、加药间等产生有害气体的场所,进行机械通风,并满足劳动保护的换气要求。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperc)对较深的水池,检修时,需对其进行换气,满足劳动保护的要求。4)隔声降噪a)水泵、电机等易产生噪声的设备,设置隔振垫,减少噪声。同时,将管理用房和机房分开,并采取有效的隔声措施。b)办公、生活区和生产区设置绿化隔离带,减少噪声的影响。5)辅助设施、劳保用品a)厂内配置救生衣、救生圈、安全带、安全帽等劳保防护用品。b)设置适当的生产辅助设施,如浴室、厕所、更衣室、休息室等,并经常保持完好和清洁卫生。c)考虑食堂、单身宿舍及工人三班制工作休息室、医务及一些文娱活动场地。2.安全生产制度及教育劳动保护及安全生产方面要加强职工的法制,包括在建设期及运行期,其内容如下:1)在建设期a)编制和执行各种有关施工安全的政策大纲以及各方面职员的责任。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperb)对全体职工进行安全培训,事故和偶发时间应及时报告。c)颁发和使用安全设备,如安全帽、安全鞋等。d)进行安全工作实践如脚手架、壳子板和开挖支撑等。e)任命安全监理和安全官员。2)在运行管理期a)制定紧急反应计划b)任命安全监理和安全官员。c)制定安全管理系统(体制)。d)定期对所有职工进行医疗检查。e)颁发和使用安全用品如安全帽、安全鞋、耳护套、工作服、气体检漏器等。9.3消防1.消防等级根据《建筑设计防火规范》,变、配电站为丙类防火标准;机房、加药间为丁类防火标准;厂区内的机修间、车库等其他建筑的耐火等级、防火分区、安全疏散、防火间距、建筑构造设计均依据《建筑设计防火规范》。2.防火措施1)消防车道California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper厂区主干道宽度为5米,沿厂区四周和中心主要构筑物间敷设,构成主干道网。厂区内的道路连接成环。车道的宽度不小于4.00米,道路上空无障碍物,保证消防车的出入,转弯方便。2)消防给水a)消防水源厂区的给水总管供给。b)室外消防室外设置由室外消火栓组成的消防系统。采用低压给水系统,最不利点的消火栓水压不低于10m,最大消防用水量为15L/s。室外沿道路均匀布置室外消火栓,消火栓间距不大于120m。c)室内消防室内最大消防用水量为10L/s,同时使用水枪数为2个,在各个建筑物内布置室内消火栓,并在建筑物的顶层和底层连接成环,消火栓箱内设置D19水枪。D65水龙带,消防泵启动按钮。3)建筑灭火器设置California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper根据《建筑灭火器配置设计规范》,设置干粉灭火器。变配电站、中央控制室、污泥脱水间、综合楼的档案资料室以及其他建筑的楼梯平台、转角处设置干粉灭火器。4)消防报警在中央控制室、变配电站等重要地方设置火灾探测器。3.工业卫生措施1)环境污染的消除生产期间污水处理厂的环境污染源主要有:噪声、异味和固体废弃物。噪声来源于厂内传动机械工作时发出的噪声,有污水泵、污泥泵的噪声,还有场内外来自车辆等的噪声。臭味来自污水和污泥。固体废弃物的主要来源是化学沉淀池的污泥以及管理人员的生活垃圾。设计中,均考虑了相应的措施加以缓解或消除。2)防暑降温措施厂区内主要的热源是机房。按对机房作业区内的夏季室内温度不超过室外温度3—5℃的要求,拟采用以下方式降温措施。1)值班控制室与热源分离,并安装空调。2)在加药房内设置机械通风设备。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper3)污泥脱水机采用自动操作或集中按钮操作,减少操作人员与热源接触时间。9.4节能减耗措施耗电量大的设备主要是曝气系统、污泥压滤机,本工程选用效率高、能耗低的先进设备。加药系统采用自动加药系统,根据出水的P浓度自动调节系统的加药量,从而节约药剂的使用,节省药剂费。在高程布置中,减少跌水高度,选择经济管径及合理布置高程,尽量降低水头损失,以节约能耗。10人员编制、经营管理及建设进度计划10.1人员编制本工程劳动定员根据国家建设部2001年6月1日颁布的城市污水处理工程项目建设标准(修订)本中关于城市污水处理工程项目劳动定员表进行。表10-1城市污水处理工程项目劳动定员表  规模Ⅰ类Ⅱ类Ⅲ类Ⅳ类Ⅴ类-3.0~1.85.0~3.07.0~5.025.0~7.0California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper一级污水厂(人/(万m3.d)二级污水厂(人/(万m3.d)3.0~2.53.5~3.05.5~3.58.0~5.530.0~8.0深度处理增加(人)-24.0~30.018.0~24.015~1810.0~15.0同时考虑市场化运作,人员会相应减少,确定本工程人员配备如下:污水处理厂:一期14人,其中管理、技术人员3人,直接生产人员9人,辅助生产人员2人。10.2经营管理1.管理机构管理机构设置合理,不但可以保证出水水质,还可以降低处理成本,根据国内污水处理厂的管理经验,建议*镇城区污水处理厂的管理机构设置除操作运行管理和相应的后勤服务部门需要按三班制工作之外,其它部门均为常日班工作制。2.技术管理为了使本工程运行管理达到所要求的处理效果、降低运行成本的目的,除了按上述的组织机构进行行政管理外,还必须加强技术管理。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper(1)与市政环保部门检测污水系统水质,监督工厂企业工业废水排放准。工业废水排放水质必须达到“污水排入城市下水道水质标准”(CJ3082-1999)的要求。(2)根据进厂水质、水量变化,调整运行条件。做好日常水质化验、分析、保存记录完整的各项资料。(3)及时整理汇总、分析运行记录,建立运行技术档案。(4)建立处理构筑物和设备的维护保养工作和维护记录的存档。(5)建立信息系统,定期总结运行经验。10.3建设进度计划1、2007年4月10日,立项;2、2007年4月11日~5月4日,施工图设计;3、2007年5月5日~5月10日,施工图审查;4、2007年5月11日~6月17日,项目施工招投标;5、2007年6月18日~2008年6月17日,项目施工。11工程投资估算与成本核算11.1工程概况本工程项目名称是丹灶*镇城区污水处理厂扩建工程,设计规模为1.0万m3/d,工程包括:California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper污水处理厂提升泵房、细格栅沉砂池、CASS反应池、鼓风机房、UV消毒池、储泥池、污泥脱水机房与污泥堆棚、加药间、厂区道路、厂区绿化。其中,提升泵房土建按照远期一次建成,设备按照近期布置;其它构筑物的土建与设备均按照设计规模建成与安装。11.2编制内容本工程项目投资估算编制内容包括:(1)投资估算书:建筑工程费、安装工程费和设备购置费等。(2)其它工程费用估算书:建设单位管理费、生产职工培训费、办公和生活家具购置费、联合试运转费、勘测设计费等。11.3编制依据(1)工程项目方案设计图纸。(2)定额依据:①《广东省建筑工程综合定额》(2006)②《广东省安装工程综合定额》(2006)③《广东省市政工程综合定额》(2006)④《全国市政工程投资估算指标》(1996)11.4估算中需要说明的问题California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper本工程项目估算造价是方案设计范围内构建投资,次要零星工程费按照5%计算。11.5工程项目投资估算本项目新建污水处理厂工程总估算投资为1437.82万元。详见工程总估算表。11.6成本分析详见附表“年经营费用及处理成本”。年经营费用及处理成本编号项目名称基本数据1平均日污水量(万吨)1.002总变化系数1.603电机等设备总功率(千瓦)150.004电机等设备效率0.85水费单价(元/吨)1.366用水量(吨/日)10.007电费单价(元/度)0.788污泥量6.50California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper9污泥运输单价(元/吨)20.0010絮凝剂投加量(毫克/升)0.3011絮凝剂单价(元/吨)40000.0012加铁盐量(毫克/升)30.0013铁盐单价(元/吨)1300.0014职工定员(人)14.0015人年均工资(元)37500.0016固定资产(万元)1419.6417大修理基金提存率1.00%18日常检修维护费率1.00% 年经营费用及单位处理成本费用(万元)1水费0.502动力费(包括基本电费)109.483药剂费18.62California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper4污泥运输费4.755工资福利费52.506大修理费14.207日常检修维护费14.208管理费用及其他21.429年经营费用235.66 其中:可变成本133.34         固定成本102.3210单位处理成本(元/吨)0.6511其中:单位处理可变成本(元/吨)0.37 12财务评价California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper建设项目经济评价是项目可行性研究的有机组成部分和重要内容,是项目决策科学化的重要手段。经济评价的目的是根据国民经济发展战略和城市发展规划的要求在工程技术研究的基础上,计算项目的效益和费用,对拟建项目的财务可行性和经济合理行进行分析论证,作出全面的经济评价,为项目的科学决策提供依据。进行本工程项目经济评价的主要依据是:·国家计划委员会和建设部1993年4月发布的《关于建设项目经济评价工作的若干规定》、《建设项目经济评价方法》(以下简称“经济评价”)、《建设项目经济评价方法说明》、《建设项目经济评价参数》;·水利电力部以((85)水利水规字第7号文颁发试行的《水利经济计算规范》(SD139-85);·建设部城建司下达、由中国勘查设计协会市政设计协会组织编制的《给水排水建设项目经济评价细则》(以下简称“评价细则”);·本工程项目的技术研究和投资估算。根据“评价方法”的规定,经济评价应分为财务评价和国民经济评价的两个层次,鉴于本工程系城市基础设施,其国民经济效益主要表现为社会效益和环境效益很难用货币量化,工程项目的经济效益则主要体现为促进本地区工农业经济的发展减免国民经济损失,提高城市综合经济实力,而其净贡献也难以确切地定量计算。因此,本工程项目的国民经济评价着重于工程的效益计算,未进行各项国民经济评价指标的具体计算。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper·本评价以本期工程二级处理方案为主,为10000吨/日的新建污水处理厂。本工程项目经济评价包括如下组成内容:·计算原则和评价参数;·成本费用预测;·财务分析报表和财务评价指标;·敏感性分析;12.1计算原则和评价参数·项目计算期:基于本工程初期投资较大,财务收入较低,使用年限较长等的特点,项目计算期按26年计算,其中建设期1年,生产经营期25年;·借款利息的计算:在财务评价中,对国内外借款,均简化按年计息,并假定借款发生当年均在年中支用,按半年计息,其后年份按全年计息;还款当年按年末偿还,按全年计息。·物价水平的变动因素:California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper财务评价均采用现行价格体系为基础的预测价格。为简化计算建设期内各年均采用时价(即考虑建设期内相对价格变化,又考虑物价总水平上涨因素),生产经营期内各年均以建设期末(生产期初)物价总水平为基础。·税金及附加根据现行会计制度,从营运收入中直接扣除的税金及附加有营业税、增值税、城市维护建设税、资源税和教育费附加。从利润中扣除的有所得税。·评价参数:行业的评价参数原则上采用“评价细则”测算确定如下:·固定资产基本折旧率、年大修理基金提存率和日常检修维护费率:根据国家规定的固定资产分类折旧年限、投资构成比例和本行业分析统计资料参照“评价细则”测算的数据,结合本工程实际情况取定:固定资产基本折旧率为4.0%;年大修理基金和日常维护提存率为2.0%。·无形资产和递延资产推销年限:按照“评价细则”,无形资产和递延资产从投产之年起平均按12.5年的期限分期摊销,即年推销率为8.0%。·定额流动资金周转天数和自有流动资金率:根据近年来行业统计分析资料,定额流动资金周转天数取定为90天;自有流动资金按流动资金的30%估算。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper·盈余公积金的提取比例盈余公积金(包括法定盈余公积金和任意盈余公积金)的提取比例,按税后利润(扣除弥补亏损)的10%提取。·财务基准收益率和基准投资回收期财务基准收益率和基准投资回收期是建设项目评价财务内部收益率和投资回收期指标的基准判据。 按照“评价细则”,根据近几年给排水行业的统计数据,同时考虑到国家资金的有效利用、行业技术进步和价格结构等因素,取定税前财务基准收益率(不含通货膨胀率)为4.0%;基准投资回收期(自技术开始年算起)为18年。12.2成本费用预测成本费用预测的基本数据和各项费用支出见(年经营费用及处理成本表)。      总成本费用是建设项目投产运行后一年内的生产营运而花费的全部成本和费用包括外购原材料、燃料和动力、工资及福利费、维修费、推销费。利息支出以及其他费用。经营成本是项目总成本扣除固定资产折旧费、无形及递延推销费和利息支出以后的全部费用。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper生产成本按其与产量变化的关系分为可变成本与固定成本。在总成本费用中,随处理水量增减而成比例地增减的费用部分,为可变成本,如外购原材料。动力和药剂等费用都属可变成本;与处理水量的多少无关的费用部分为固定成本。排污收费单价是在总成本的基础上增计营业税、城市维护建设税及教育费附加等项费用,并考虑适当的利润率等因素进行测算,供主管部门科学决策之参考。12.3财务分析报表和财务评价指标12.3.1财务分析报表本工程财务评价所编制的财务分析报表包括主要经济指标表、成本核算表、投资计划与资金筹措表、现金流量表、损益表、资金来源与应用表、资产负债表和借款还本付息计算表、盈亏平衡分析表。·现金流量表:现金流量表反映项目在整个计算期(包括建设期和生产经营期)内各年的现金流入和流出,藉以进行项目财务盈利能力分析。按照投资计算基础和财务侧重点的不同,分为全部投资现金流量表、国内投资现金流量表及自筹资金现金流量表。·全部投资现金流量表是设定全部投资(包括固定资产和流动资金)均为自有资金,用以计算全部投资财务内部收益率、财务净现值及投资回收期等评价指标评价项目本身的财务效果。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper国内投资现金流量表是以国内资金(国家预算年投资、国内贷款和自筹资金等)作为计算基础,自筹资金现金流量表是以企业自筹资金作为计算基础,通过评价指标的计算评价国内投资的财务效果。·损益表:损益表反映项目计算期内各年的利润总额、所得税及税后利润的分配情况。·资金来源及运用表:资金来源及运用表反映项目计算期内各年的资金盈余或短缺情况,藉以选择资金筹措方案,制定适宜的借款及偿还计划。·资产负债表:资产负债表综合反映项目计算期内各年年末资产、负债、所有者权益的增减变化,据此进行清偿能力分析。·借款还本付息计算表。   财务收支状况,汇列于下表。财务收支状况        单位:万元序号项       目      名      称收支费用California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper一 财务收入   计算期内水费收入9766.86二 财务支出 1固定资产投资(含投资方向调节税)1427.342 经营成本5935.163 税金629.724 利息支出489.30 其中:建设期利息32.24  财务支出合计8481.52三 财务利益1285.35 财务指标根据财务评价基本计算报表计算出的主要财务指标汇列下表。主要财务指标序号项  目  名  称全部投资自有资金1税前财务内部收益率(FIRR)8.80%9.83%2税后财务内部收益率(FIRR)7.25%7.65%3税前投资回收年限(自建设期算起)11.1413.02California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper4税后投资回收年限(自建设期算起)12.2114.58 12.4不确定分析由于评价中采用的数据都是来自预测和估算,在一定程度上存在不确定性。例如,基本数据的误差,未知的或受条件限制,存在不能以数量表示的因素,不现实或不准确的假设、技术、工艺的变化或重大突破,经济关系和经济结构的变化等等,因此,需要分析不确定因素对经济评价指标的影响,以估计项目可能承担的风险,确定项目在财务上的可靠性。故需要进行敏感性分析和盈亏平衡分析。12.4.1敏感性分析根据本工程项目的特点,设定敏感性分析中可能发生变化的主要因素是工程投资和排污费价格,考虑可能变化幅度为±10%和±20%。年营运费用的变化对本工程财务状况的影响较小。故在敏感性分析中未列入主要变量来考虑。工程投资和排污费价格发生变化时对财务内部收益率的影响示于表。 全   部   投   资不确定因素变化率工程投资变化(%)排污费价格变化(%)California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper-20.00%9.494.86-10.00%8.156.400.00%7.257.2510.00%6.508.1520.00%5.639.22  自   有   资   金不确定因素变化率工程投资变化(%)排污费价格变化(%)-20.00%10.025.13-10.00%8.616.760.00%7.657.6510.00%6.878.6120.00%6.349.7412.4.2盈亏平衡分析(详见附表)California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper从上述财务评价看,财务内部收益率高于行业基准收益率,投资回收期低于行业基准投资回收期,借款偿还期能满足贷款银行的要求,从不确定因素分析看,项目具有一定的抗风险能力,因此本项目在财务上是可行的。13工程效益由于污水处理工程为城市基础设施项目,以服务于社会为主要目的,它既是生产部门必不可少的生产条件,又是改善环境的必要条件,对国民经济的贡献主要表现为外部效果,所产生的效益除部分经济效益可以定量计算外,大部分则表现为难以用货币量化的环境效益和社会效益,因此,应从系统观点出发,与人民生活水准的提高和健康条件的改善,与工业农业生产的加速发展等宏观效益结合在一起来评价。城市排水设施及污水处理设施的投资效益具有以下三个特点:第一,间接性,排水及污水处理设施投资所带来的效益往往是使其它部门生产效率的提高,损失的减少,所以,投资的直接收益率低。第二,隐蔽性,排水设施投资的主要效果是保证生产、方便生活和防治水污染,减少或消除水污染损失,因此,其所得是人们不容易觉察到的“无形”补偿。第三,分散性,水污染的危害涉及社会各方面,包括生产、生活、景观、人体健康等,因此,排水设施投资效益基本上是间接的经济效果。13.1环境效益California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper通过本工程的实施,将改善整个地区的环境卫生,随着污水系统的完善建设,将改变目前污水未经处理排放的现象,使周围水质得到改善,受益者是居民和相关单位。13.2社会效益污水处理工程的建设,可大大减少疫病暴发或流行病的潜在危险,有利于提高城市环境质量,改善城市形象,将为居民提供健康上和环境上的益处。污水处理工程属于社会福利事业的基础设施,可扩大内需、增加就业,对改善人民生活水平和居住环境都会产生明显的社会效益。13.3经济效益尽管污水治理工程并不直接产生经济效益,但项目的实施将对当地的保护有着广泛的影响,使工业及居住业的发展不受环境的制约,把社会经济发展与环境保护目标协调好,将给当地的经济带来巨大的益处,主要表现在以下几个方面:1、地价的增值;2、减少疾病,增进健康;3、改善生态环境14结论与建议本工程经过上述分析,得出如下结论:California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper1、污水处理一期工程的建设和运行,对于改善的投资环境,地区经济的长远健康发展具有极大的促进作用。2、污水处理厂规划用地完全满足用地需要,选址是可行、合理经济的。3、污水处理厂一期工程处理水量确定为10000m3/d,视地区开发情况再行扩建,符合“统筹考虑、分批建设”的规划要求。4、污水处理厂一期工程采用CASS 工艺流程是符合当地实际情况的。5、工程经济分析结果表明,本项目的实施,可促进当地经济持续快速发展和城市建设,具有显著的环境效益,经济效益和社会效益,项目的兴建是必要的,工程经济方面是合理可行的。同时应对以下几点,应引起各方面的高度重视:1、进水水质问题应严格控制进入污水处理厂的工业废水水质,建立和健全工业废水的接管标准。以保证进入污水处理厂的污水水质满足设计水质的要求。2、配套管网问题California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper污水处理厂建设的同时,应尽快实施城区污水收集管网的建设,使污水处理厂的建设与管网的建设同步运行,以保证污水处理厂的正常稳定运行,同时可降低污水处理的单位运行成本,满足建设投资效果要求。3、运行管理问题污水处理厂的运行管理包括厂内及厂外两部分:对于污水厂内部管理,应加强水质的监测,根据水质水量变化及时调整污水处理各工段处理程序,保证处理出水达到要求,同时要确保整个系统的稳定、正常、合理运行;对于厂外运行管理,重点监控企业的排水水质,防止水质出现突变从而影响污水处理厂的稳定;同时应对企业进行系统分析和研究,减少不利于污水处理厂后续处理或重复处理措施,最大限度的发挥污水处理厂集中处理的规模效益。15附件15.1附表1、污水处理厂总估算表;2、年经营费用及处理成本;3、主要经济指标表;4、投资计划与资金筹措表;5、固定资产折旧费估算表;California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper6、流动资金估算表;7、成本表;8、现金流量表(全部投资);9、现金流量表(自有资金);10、损益表;11、资金来源与运用表;12、资产负债表;13、借款还本付息计算表;14、盈亏平衡分析表15、专家意见及答复15.2附图1、污水处理厂总平面图(方案一);2、污水处理厂工艺流程图(方案一)。3、污水处理厂总平面图(方案二);4、污水处理厂工艺流程图(方案二)。5、污水处理厂总平面图(方案三);6、污水处理厂工艺流程图(方案三)。7、污水处理厂管线布置图;California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper《**市*镇城区污水处理厂工程可行性研究报告》专家意见答复一、已调整及补充,详见1.6章节。二、由可研仅仅包括污水厂,管道设计不包括在内。收集率与处理率详见2.1章节。三、已完善补充,详见2.3,3.2,3.7,4.2等章节。四、已补充,详见污水处理厂管线布置图。五、已补充,详见3.6章节。六、由于本项目2007年不考虑建设截污干管,收集的污水为城区排涝泵站的污水,通过水泵提升至污水处理厂,雨水经过排涝泵站至官山涌,所以近期本项目不存在雨水问题。七、已与有关部门协商,无法提供两路供电,第七章电气设计已改为一路供电。八、现无环评报告。九、现无地质勘探报告。十、已补充,详见10.3章节。十一、已完善修改。详见11.3章节。California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper California.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesperCalifornia.Sincethen,theyhavebeentryingtofindouthowthefirebegan.Forestfireareoftencausedbybrokenglassorbycigaretteendswhichpeoplecarelesslythrowaway.Yesterdaythefiremenexaminedthegroundcarefully,butwerenotabletofindanybrokenglass.Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremanaccidentallydiscoveredthecause.Henoticedtheremainsofasnakewhichwaswoundroundtheelectricwiresofa16,000-voltpowerline.Inthisway,hewasabletosolvethemystery.Theexplanationwassimplebutveryunusual.Abirdhadsnatchedupthesnakefromthegroundandthendroppeditontothewires.Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.   Lesson54Stickyfingers粘糊的手指 Afterbreakfast,IsentthechildrentoschoolandthenIwenttomarket.ItwasstillearlywhenIreturnedhome.Thechildrenwereatschool,myhusbandwasatworkandthehousewasquiet.SoIdecidedtomakesometartsfortea.InashorttimeIwasbusymixingbutterandflourandmyhandsweresooncoveredwithstickypastry.Atexactlythatmoment,thetelephonerang.Nothingcouldhavebeenmoreannoying.IpickedupthereceiverbetweentwostickyfingersandwasdismayedwhenIrecognizedthevoiceofMrsBates.Ittookmetenminutestopersuadehertoringbacklater.AtlastIhungupthereceiver.Whatamess!Therewaspastryonmyfingers,onthetelephone,andonthedoor-knobs.Ihadnosoonergotbacktothekitchenthanthedoor-bellrangloudenoughtowakethedead.Thistimeitwasthepostmanandhewantedmetosignforaregisteredletter!   Lesson55Notagoldmine并非金矿 Dreamsoffindinglosttreasurealmostcametruerecently.Anewmachinecalled"TheRevealer"hasbeeninventedandithasbeenusedtodetectgoldwhichhasbeenburiedintheground.Themachinewasusedinacaveneartheseashorewhere--itissaid--piratesusedtohidegold.Thepirateswouldoftenburygoldinthecaveandthenfailtocollectit.Armedwiththenewmachine,asearchpartywenthedidnotlikeit.Sheenjoyedherselfmakingtheassistantbringalmosteverythinginthewindowbeforefinallybuyingthedressshehadfirstaskedfor.   Lesson58Ablessingindisguise?是因祸得福吗? ThetinyvillageofFrinleyissaidtopossessa"cursedtree".Becausethetreewasmentionedinanewspaper,thenumberofvisitorstoFrinleyhasnowincreased.Thetreewasplantednearachurchfiftyyearsago,butitisonlyinrecentyearsthatithasgainedanevilreputation.Itissaidthatifanyonetouchesthetree,hewillhavebadluck;ifhepicksaleaf,hewilldie.Manyvillagersbelievethatthetreehasalreadyclaimedanumberofvictims.Thevicarhasbeenaskedtohavethetreecutdown,butsofarhehasrefused.Hehaspointedoutthatthetreeisausefulsourceofincomeastouristshavebeencomingfromallpartsofthecountrytoseeit.Inspiteofallthathasbeensaid,thetourists-havebeenpickingleavesandcuttingtheirnamesonthetree-trunk.Sofar,notoneofthemhasbeenstruckdownbysuddendeath!   Lesson59Inorout?进来还是出去? Ourdog,Rex,usedtositoutsideourfrontgateandbark.Everytimehewantedtocomeintothegardenhewouldbarkuntilsomeoneopenedthegate.Astheneighbourscomplainedofthenoise,myhusbandspentweekstraininghimtopresshispawonthelatchtolethimselfin.Rexsoonbecameanexpertatopeningthegate.However,whenIwasgoingoutshoppinglastweek,Inoticedhiminthegardennearthegate.Thistimehewasbarkingsothatsomeonewouldlethimout!Sincethen,hehasdevelopedanotherbadhabit.Assoonasheopensthegatefromtheoutside,hecomesintothegardenandwaitsuntilthegateshuts.Thenhesitsandbarksuntilsomeoneletshimout.Afterthisheimmediatelyletshimselfinandbeginsbarkingagain.YesterdaymyhusbandremovedthegateandRexgotsoannoyedwehavenotseenhimsince.     Lesson60Thefuture卜算未来 Atavillagefair,Idecidedtovisitafortune-tellercalledMadamBellinsky.Iwentintohertentandshetoldmetositdown.AfterIhadgivenhersomemoney,shelookedintoacrystalballandsaid:"Arelationofyoursiscomingtoseeyou.Shewillbearrivingthiseveningandintendstostayforafewdays.Themomentyouleavethistent,youwillgetabigsurprise.Awomanyouknowwellwillrushtowardsyou.Shewillspeaktoyouandthenshewillleadyouawayfromthisplace.Thatisall."AssoonasIwentoutside,IforgotallaboutMadamBellinskybecausemywifehurriedtowardsme."Wherehaveyoubeenhiding?"sheaskedimpatiently."Yoursisterwillbehereinlessthananhourandwemustbeatthestationtomeether.Wearelatealready."Asshewalkedaway,Ifollowedheroutofthefair.   Lesson61TroublewiththeHubble哈勃望远镜的困境 Infuture,astronautswillberequiredtodescendfromaspaceshipwhileitisstillinspaceandtoreturntoit.Theabilitytodothiswillbenecessaryinfutureflightstodistantplanets.Scientistsarenowtryingtodiscoverifthisispossible.ThespaceshipAstrawhichlefttheearthashorttimeago,willbetravellingthreehundredmilesintospace.Atacertainpoint,theAstrawillstopforashorttimeandanastronautwillattempttoleavethestationaryspaceshipandthenreturntoit.Weshallnotknowwhethertheexperimenthasbeensuccessfuluntilwehavereceivedaradiomessage.Thefirstmessageisexpectedtoarriveat7o"clockthisevening.Bythattime,theAstrawillhavebeenflyingthroughspaceforseventeenhoursandwillhavecircledtheearthagreatmanytimes.Whenthefirstradiomessageshavebeenreceived,theresultsofthetripwillbeannouncedimmediately.   Lesson62Afterthefire大火之后 Firemenhadbeenfightingtheforestfirefornearlythreeweeksbeforetheycouldgetitundercontrol.Ashorttimebefore,greattreeshadcoveredthecountrysideformilesaround.Now,smokestillroseupfromthewarmgroundoverthedesolatehills.Winterwascomingonandthehillsthreatenedthesurroundingvillageswithdestruction,forheavyrainwouldnotonlywashawaythesoilbutwouldcauseseriousfloodsaswell.Whenthefirehadatlastbeenputout,theforestauthoritiesorderedseveraltonsofaspecialtypeofgrass-seedwhichwouldgrowquickly.Theseedwassprayedoverthegroundinhugequantitiesbyaeroplanes.Theplaneshadbeenplantingseedfornearlyamonthwhenitbegantorain.Bythen,however,inmanyplacesthegrasshadalreadytakenroot.Inplaceofthegreattreeswhichhadbeengrowingthereforcenturies,patchesofgreenhadbeguntoappearintheblackenedsoil.   Lesson63Shewasnotamused她并不觉得好笑 GeoffreyHampdenhasalargecircleoffriendsandisverypopularatparties.Everybodyadmireshimforhisfinesenseofhumor--everybody,thatis,excepthissix-year-olddaughter,Jenny.Recently,oneofGeoffrey"sclosestfriendsaskedhimtomakeaspeechataweddingreception.ThisisthesortofthingthatGeoffreyloves.HepreparedthespeechcarefullyandwenttotheweddingwithJenny.Hehadincludedalargenumberoffunnystoriesinthespeechand,ofcourse,itwasagreatsuccess.Assoonashehadfinished,Jennytoldhimshewantedtogohome.Geoffreywasalittledisappointedbythisbuthedidashisdaughterasked.Onthewayhome,heaskedJennyifshehadenjoyedthespeech.Tohissurprise,shesaidshehadn"t.Geoffreyaskedherwhythiswassoandshetoldhimthatshedidnotliketoseesomanypeoplelaughingathim!   Lesson64TheChannelTunnel海峡隧道 Inl858,aFrenchengineer,AimeThomedeGamond,arrivedinEnglandwithaplanforatwenty-onemiletunnelacrosstheEnglishChannel.HesaidthatitwouldbepossibletobuildaplatforminthecentreoftheChannel.Thisplatformwouldserveasaportandarailwaystation.Thetunnelwouldbewell-ventilatediftallchimneyswerebuiltabovesea-level.In1860,abetterplanwasputforwardbyanEnglishman,WilliamLow.Hesuggestedthatadoublerailwaytunnelshouldbebuilt.Thiswouldsolvetheproblemofventilation,forifatrainenteredthistunnel,itwoulddrawinfreshairbehindit.Forty-twoyearslateratunnelwasactuallybegun.If,atthetime,theBritishhadnotfearedinvasion,itwouldhavebeencompleted.Recently,therehasagainbeengreatinterestintheideaofaChannelTunnel.Ifitisbuilt,itwillconnectBritaintoEuropeforthefirsttimeinhistory.   Lesson65Jumboversusthepolice小象对警察 LastChristmas,thecircusowner,JimmyGates,decidedtotakesomepresentstoachildren"shospital.DressedupasFatherChristmasandaccompaniedbya"guardofhonour"ofsixprettygirls,hesetoffdownthemainstreetofthecityridingababyelephantcalledJumbo.He,shouldhaveknownthatthepolicewouldneverallowthissortofthing.ApolicemanapproachedJimmyandtoldhimheoughttohavegonealongaside-streetasJumbowasholdingupthetraffic.ThoughJimmyagreedtogoatonce,Jumborefusedtomove.Fifteenpolicemenhadtopushveryhardtogethimoffthemainstreet.Thepolicehadadifficulttime,buttheyweremostamused."Jumbomustweighafewtons,"saidapolicemanafterwards,"soitwasfortunatethatwedidn"thavetocarryhim.Ofcourse,weshouldarresthim,butashehasagoodrecord,weshalllethimoffthistime."   Lesson66Sweetashoney!像蜜一样甜! TheHatheldPuffinisamodernaero-plane,butitsdesigner,MrJohnWimpenny,isfindingitdifficulttogetitofftheground.Thereasonforthisisthatthisplaneisalsoabicycle.Itspilothastopedalhardtogetitintotheair.AfterMrWimpennyhadtheplanebuilt,itwastestedthoroughly.In1961,itwasthefirstman-poweredaircrafttoflyhalfamile.Whilebeingflownbyachampionamateurcyclistin1963,theplanecrashedonanairfield.Sincethen,MrWimpennyhashaditrebuilt.Hehashadthelengthofthewingsincreasedsothattheynowmeasure93feet--almostaslongasthoseofaDakota.Manypeoplehaveshowninterestinthisnewandunusualsport.Butthoughaircyclistsmaylearnhowtoflyovershortdistances,andmay,eventually,evengetacrosstheEnglishChannel,itisdoubtfulwhethertheywillevercycleacrosstheAtlantic.   Lesson67Volcanoes火山 HarounTazieffthePolishscientist,hasspenthislife-timestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttolakeKivuintheCongotoobserveanewvolcanowhichhelaternamedKituro.Tazieffwasabletosetuphiscampveryclosetothevolcanowhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely,butTazieffmanagedtoescapejustintime.Hewaiteduntilthevolcanobecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofKiturosothathecouldtakephotographs andmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactivevolcanoesthananymanalive.   Lesson68Persistent纠缠不休 Icrossedthestreettoavoidmeetinghim,buthesawmeandcamerunningtowardsme.ItwasnousepretendingthatIhadnotseenhim,soIwavedtohim.IneverenjoymeetingBertDykes.Heneverhasanythingtodo.Nomatterhowbusyyouare,healwaysinsistsoncomingwithyou.Ihadtothinkofawayofpreventinghimfromfollowingmearoundallmorning. "Hullo,Bert,"Isaid."Fancymeetingyouhere!" "Hullo,Elizabeth,"Bertanswered."Iwasjustwonderinghowtospendthemorning--untilIsawyou.You"renotbusydoinganything,areyou?" "No,notatall,"Ianswered."I"mgoingto..." "Wouldyoumindmycomingwithyou?"heasked,beforeIhadfinishedspeaking. ‘Notatall,"Ilied,"butI"mgoingtothedentist." "ThenI"llcomewithyou,"heanswered."There"salwaysplentytoreadinthe"waitingroom!"   lesson69Butnotmurder!并非谋杀! Iwasbeingtestedforadrivinglicenceforthethirdtime.Ihadbeenaskedtodriveinheavytrafficandhaddonesosuccessfully.Afterhavingbeeninstructedtodriveoutoftown,Ibegantoacquireconfidence.SurethatIhadpassed,Iwasalmostbeginningtoenjoymytest.Theexaminermusthavebeenpleasedwithmyperformance,forhesmiledandsaid,"Justonemorething,MrEames.Letussupposethatachildsuddenlycrossestheroadinfrontofyou.AssoonasItaponthewindow,Iwantthecartobestoppedimmediately."Icontinueddrivingandaftersometime,theexaminertappedloudly.Thoughthesoundcouldbeheardclearly,ittookmealongtimetoreact.Isuddenlypressedthebrakepedalhardandwewereboththrownforward.Theexaminerlookedatmesadly."MrEames,"hesaid,inamournfulvoice,"youhavejustkilledthatchild!"   lesson70 Redfordanger危险的红色 Duringabullfight,adrunksuddenlywanderedintothemiddleofthering.Thecrowdbegantoshout,butthedrunkwasunawareofthedanger.Thebullwasbusywiththematadoratthetime,butitsuddenlycaughtsightofthedrunkwhowasshoutingruderemarksandwavingaredcap.Apparentlysensitivetocriticism,thebullforgotallaboutthematadorandchargedatthedrunk.Thecrowdsuddenlygrewquiet.Thedrunk,however,seemedquitesureofhimself.Whenthebullgotclosetohim,heclumsilysteppedasidetoletitpass.Thecrowdbrokeintocheersandthedrunkbowed.Bythistime,however,threemenhadcomeintotheringandtheyquicklydraggedthedrunktosafety.Eventhebullseemedtofeelsorryforhim,foritlookedonsympatheticallyuntilthedrunkwasoutofthewaybeforeoncemoreturningitsattentiontothematador.   Lesson71Afamousclock一个著名的大钟 WhenyouvisitLondon,oneofthefirstthingsyouwillseeisBigBen,thefamousclockwhichcanbeheardallovertheworldontheB.B.C.IftheHousesofParliamenthadhotbeenburneddownin1834,thegreatclockwouldneverhavebeenerected.BigBentakesitsnamefromSirBenjaminHallwhowasresponsibleforthemakingoftheclockwhenthenewHousesofParliamentwerebeingbuilt.Itisnotonlyofimmensesize,butisextremelyaccurateaswell.OfficialsfromGreenwichObservatoryhavetheclockcheckedtwiceaday.OntheB.B.C.youcanheartheclockwhenitisactuallystrikingbecausemicrophonesareconnectedtotheclocktower.BigBenhasrarelygonewrong.Once,however,itfailedtogivethecorrecttime.Apainterwhohadbeenworkingonthetowerhungapotofpaintononeofthehandsandsloweditdown!   Lesson72AcarcalledBluebird“蓝鸟”汽车 Thegreatracingdriver,SirMalcolmCampbell,wasthefirstmantodriveatover300milesperhour.HesetupanewworldrecordinSeptember1935atBonnevilleSaltFlats,Utah.Bluebird,thecarhewasdriving,hadbeenspeciallybuiltforhim.Itwasover30feetinlengthandhada2500horse-powerengine.AlthoughCampbellreachedaspeedofover304milesper'