北师大版必修模块37THE SEA 一等奖

WorkinginanunderwaterlaboratoryBeforeyoustart(1)ReadthetextaboutAquariusinReading(1)andimaginewhatlivingandworkinginanunderwaterlaboratorywouldbelike.WhatwouldtheinsideofAquariuslooklike?Whatwouldyouseeoutofthewindows?Reading(1):Informationreport+ExplanationAquariusAquariusisanunderwateroceanlaboratory.Itislocatedinamarinesanctuaryabout6kmoffthecoastofFloridaintheUnitedStates.Thelaboratorysitsinanareaofsandnexttoacoralreef,20metresbelowthesea.ScientistsusuallyliveinAquariusfor10daysatatime.DiversareabletoleaveAquarius,whichiscalledahabitat,tostudytheoceanandreefforlongperiodswithoutriskingthe"bends".Thismethodofscubadivingiscalled"saturationdiving".The"bends"Underwater,thepressureonadiver'sbodyisgreaterthanitisatsealevel.Thedeeperadivergoes,thegreaterthepressurewillbe.Underpressure,thebodyabsorbsexcessnitrogenandothergases.Ifadiverstaysunderthewatertoolongandcomesbacktothesurfacetooquickly,thepressureonthediver'sbodyfallsrapidlyandtheexcessnitrogenbubblesoutofthediver'sbloodandtissues.Thiscausestremendouspain,andcanleadtopermanentcrippling,orevendeath.Scubadiversareabletostaydeepunderwaterforlessthananhourbeforetheyriskgettingthe"bends".(196words/_________minutes)Vocabularysanctuary禁捕区，保护区saturationdiving饱和潜水术pressure压力absorb吸收(液体、气体等)excess过量的，过多的nitrogen氮bubble冒泡tissue(身体的)组织permanent永久的crippling受伤致残risk冒……的危险Exercise1Saywhetherthesestatementsaretrueorfalse.1.TheAquariussitsonthebottomoftheocean.2.ScientistsstayinsidetheAquariusthewholetimetheyareunderthewater.3.Thebendsisapainfulconditionthatdeepseadiverscanget.4.ScientistswholiveontheAquariuscanswimindeepwaterformuchlongerthanordinaryscubadiverscan.5.AquariusislocatedonthewestcoastofAmerica.Beforeyoustart(2)and(3)YouarenowgoingtoreadaradiointerviewbetweenBillHudson,ajournalist,andSueSorenson,ascientistwhospenttendaysintheAquarius.Ifyouweretheinterviewer,whatquestionswouldyouask?Reading(2):InterviewBill:Welcome,listeners,toanotherprograminourOceanLifeseries.Weareluckyenoughtohavewithustoday,SueSorensenwhorecentlyspenttendaysintheAquarius,theworld'sonlyunderwaterlaboratory.WelcomeSue.Sue:ThanksBill,nicetobehere.Bill:So,Sue,what'sitlikespendingtendayssittingonthebottomofthesea?Sue:It'sthemostamazingexperience,Bill.Ifeelsoprivilegedtohavehadtheopportunity.Bill:Sowhat'stheAquariuslike?Itmustbelikelivinginasubmarine.Sue:Inawayitis,butonasubmarine,youcan'tgetoutandswimaround.Bill:Oh,youdon'tjuststayontheAquariusallthetime?Sue:Goodnessno.ThewholeideaoftheAquariusistogivediverstheopportunitytoexploretheoceanforlongperiodsoftimewithouthavingtosurface.Anordinaryscubadiver,divingfromthesurface,canonlyspendaboutanhouratatimeunderwater.Andasurface-baseddivercan'tdomanydivesinadaybecauseit'stooexhausting.Bystayingontheoceanfloor,wecandiveforuptoninehoursperdive.Andwedon'thavetoworryaboutbadweathereither.Itwouldtakeascientistsixtydaysusingsurface-basedtechnologytodothesameamountofworkaswecandointendaysofsaturationdiving.Bill:Really?Andwhat'sitlikelivingontheAquarius?Sue:It'salittlestrangeatfirst.Forinstance,youhavetogetusedtothesoundsthehabitatmakes.Theloudestnoisesoundslikeagiantbelch.Thathappensbecauseairisconstantlybeingpumpedintothehabitatfromthesurface,andeventuallythestaleairhastobereleased.So,everysooftenalargebubbleofairisforcedoutintothewatermakingthistremendousnoise.Thefirstfewtimesithappened,Igotquiteafright.Youalsodon'texperienceweathersofarunderthesea.Therecouldbearagingstormonthesurfaceandtheonlydifferencewefeelisaslightchangeinthepressure.Infact,thepressurechangesallthetimeinthehabitat.Itfeelsabitlikegoingupanddowninaliftallday.Thenyouhavetogetusedtobeingabitslowandstupid.Youhaveextranitrogeninyourbodywhenyou'resodeepandthismakesyouabitlight-headed.Youfindyourselfforgettingthings,andyoucan'tthinkquiteaswellasyoudoonthesurface.(431words/__minutes)Vocabularyprivileged享有特权的surface升到水面exhausting使筋疲力竭的belch打嗝；喷吐pump用泵输送(气体)stale不新鲜的；污浊的release释放，排出flight惊吓raging狂暴的，凶猛的light—headed眩晕的Exercise2Completethesentences.1.Surface-baseddivingismoretiringthan_________diving.2.Itwouldtakeascientistdivingfromthesurface____________timeslongertodothesameworkasadiverlivingontheAquarius.3.Thereisalarge,belchingnoiseinthehabitatwhenairis__________intothesea.4.Whenyouaredeepunderwater,youcan'ttellwhatthe_________islikeonthesurface.5.Youarelessefficientunderwaterbecauseoftheexcess_________inyourbody.Reading(3):InterviewcontinuedBill:Howmanyofyouliveandworkdownthereatonetime?Sue:TheAquariuscanaccommodatesixpeople.Bill:Itmustbeverycramped.Sue:Alittle,Isuppose.It'sabitlikelivinginacaravan.TheAquariusiscylinder-shaped.Atoneendthereisa"wetroom".That'sthepartwhereyougoinandoutofthehabitat.Ithaswater-tightdoorsateachend.Whenyouwanttogoout,youclosethedoorsandfilltheroomwithseawaterandthenopentheoutsidedoor.Youdothesameinreversewhenyoucomebackin.Nexttothewetroomisasmalllaboratory,thencomesthekitchen,whichhasamicrowaveandfridge.Atthefarendisthebunkroomwithsixbunksinit.Andthere'sashowerandatoilet.Bill:Butdon'tyoufeelclaustrophobic?Sue:Notreally.Wegooutintotheoceanatleasttwiceaday.Plus,youcanseethroughthehabitat'swindowsintotheocean.Fromeveryroomyoucanseeawholeparadeoffishswimmingby.Andsometimes,oneofmycolleaguesswimsby.Thatfeelsverystrange,Icantellyou,seeingadiverinscubagearwavingatyouthroughthewindow.Bill:Whatdoyouthinkwasthebestthingaboutyourexperience?Sue:That'sahardone.Itwasallsofantastic.ButIlovedthenightdives.It'sincrediblehowdifferentthecorallooks.Forastart,thereareahugenumberoffishonthereefatnight.Sometimesanursesharkwillbrushpast,andonceIdisturbedahugesleepingturtle.Whenyouturnoffyourtorch,youcanseetheamazinglightshowthereefgivesatnight.Hundredsofmicroscopicanimals,whichemitlight,floatoverthereefandeverywhereyoulookyoucanseethesetinyblinkingwhitelights.Bill:Itsoundswonderful.So,Sue,wasthereanythingyoumissedwhileyouwereintheAquarius?Sue:Apartfromfamilyandfriends,youmean?Actually,whatImissedmostwastrees,andbluesky.Andopenspaces.Underwateryoucanonlysee30-40metresinfrontofyou.Oh,andgreensalad,Imissedthat.Bill:We'realmostoutoftime,Sue,butcouldyoubrieflytellusaboutyourreturntothesurface?Sue:Sure.Wehavetoreturntonormalsea-levelpressureveryslowly,otherwisewewouldsufferfromthebends.Infact,fromadepthof20metres,ittakeseighteenhourstoreturnsafelytosurfacepressure.SomepeoplethinkthattheAquariusisraisedtothesurface,alittleatatime,withusinside.Butactually,theAquariusstaysonthebottomandthepressureinsidethehabitatisslowlydecreased.Whenthepressureinsideisthesameasthesurfacepressure,weputonourscubagearandswimout.Aspeciallyequippedboatrushesustotheshorewherewegointoamedicalcentre.Wearethencloselymonitoredforadaytomakesurewearen'tsufferinganyilleffectsfromthenitrogenbuildupinourbodies.Bill:ThankyousomuchSue.Whatafantasticexperience.(540words/______minutes)Vocabularyaccommodate向……提供住处(膳宿)caravan(可用汽车拖的)活动住房cylinder圆柱体，圆筒inreverse向相反方向，倒bunk(有上、下铺的)床，铺位claustrophobic(患)幽闭恐怖症的colleague同事，同僚microscopic要用显微镜才能看到的；极小的emit发出，散发(光、热等)blinking闪烁的monitor监测，监视buildup积聚，集结Exercise31.HowmanyroomswerethereinsidetheAquarius?2.Whywasoneroomcalledthe"wetroom"?3.Whatmadethelightsonthereefatnight?4.WhydidSuemissopenspacesomuch?5.WhatwouldhappenifsomeonelivingontheAquariusdecidedtoleaveandjustswamuptothesurface?Keys:Exercise11.T2.