大学英语综合教程第一单元课后答案.docx

大学英语综合教程第一单元课后答案.docx

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大学英语综合教程第一单元课后答案

KeytoExercises

Reading&Interacting

I.UnderstandingtheText

1.TextOrganization

1.1

Parts

Paragraphs

MainIdeas

PartOne

Paras.1–3

Manisfarfromhavingcontroloftheocean.Weknowverylittleaboutit,andthediscoverieswehavemade,thoughmonumental,arebutadropinanocean-sizedbucket.

PartTwo

Paras.4–5

Thehuman-oceanconnectionisvitaltous.HealthyoceanscanhelpeasetheburdenofourrapidlyincreasingpopulationonEarth.

PartThree

Paras.6–9

Itisveryimportanttomakeobservationsofhowtheoceanworks.However,owingtolackoffunds,comparedtospaceexploration,oceanexplorationislaggingfarbehind,withtheresultthatweknowasyetlittleaboutthedeepsea.

PartFour

Paras.10–12

Truetherearecountlessdiscoveriestobemadeandlotsofworktobedone,butitisworthourwhiletodosoaswemightfindthekeytooursurvivalonEarth.

1.2

1）Both.

2）ThroughabriefaccountofhisparticipationintheexplorationbelowtheSeaofJapan.

3）Theauthorusesittoechothekeynoteoftheessay:

Whenweexplorethedeepsea,weare

exploringforourownsurvival.

2.ComprehensionCheck

2.1Diggingintodetail

1）Itshowsthattherearecreatureslivingintheseawhichwethoughtwereextinct.

2）Becausethescientistsdiditthehardway.Theyhadtoovercomemonumentalchallengeswith

ingenuityandtheuseofadvancedtechnologybeforetheyfinallymadeit.

3）Because,amongotherthings,theoceanhelpseasetheburdenofourgrowingpopulationonEarth.

4）Itreferstothefactthateachcreaturethatdiesandsinkstotheoceanfloorbecomesfoodfor

othercreatures,thuscreatinganecosystemofitsown.

5）Yes,thereissimilarityinhowweusetechnologyinexploringthem.Themethods,technology

andexpertisearesimilar.

2.2Understandingdifficultsentences

1.A2.B3.A4.A5.A

II.FocusingonLanguageinContext

1.KeyWords&Expressions

1.1

1）Autumnhasarrivedhereontheheelsofahotsummerwithunexpectedspeed.

2）Asadiplomat,hehaswitnessedthebirthofthenewnationandiswellplacedtoobserveits

growthduringthiscriticalperiodofitshistory.

3）Whenyoumaketravelplans,you’dbetterassumethateveryflightcanbelate.

4）“IhavemadeitquiteclearfromthebeginningthatIwanttobepartoftheteam,”Johnsaid.

5）WhenAlicefirstcametothecountry,shewasshockedbythewayoflifetherethatwastotally

alientoherandthehostileenvironmentwherelocalpeoplelookedatherwithasuspiciouseye.

6）Andrewmadeaninitialcontribution.Butthereisasyetnofirmcommitmenttofurthercash

payments.

7）Forthefirsttimeindecades,theleadersofthetwonationsshookhandsandsatdowntotalk.

8）“Dofishfeedoneachother?

”“Yes.Atleastmanyofthemdo.”

9）Ouroldclassroombuilding,whichwasbuiltacenturyago,hasbecomeasortofalocallandmark.

10）Thedwarfseesfartherthanthegiantwhenhestandsonthelatter’sshoulder.

11）Allthesepartsaresupposedtofittogetherinthisdevice.

12）Wevisitedthelocalmarketsandsawawonderfularrayoffruitandvegetables.

13）Iamafraidthisplanofyoursdoesnotfitintothecompany’soverallmarketingstrategy.

14）Astronautshavebroughtbackspecimensofrockfromthemoon.

15）IfonewantstoexplorethepossibilitiesofEurope’spoliticalfuture,oneneedstoexaminethe

developmentofEuropeanculture.

16）Asetofgearsareinstalledtocontrolthespeedanddirectionofthevehicle.

1.2

1）forthebenefitof

2）imperative

3）initsentirety

4）elusive

5）dyingofhunger

6）expertise

7）asyet

8）completion

1.3

1）Thebookshelfwasdesignedtofitintothiscornerofourbedroom.

2）Tigersaremostactiveatnightandfeedonanimalssuchasdeerandwildpigs.

3）Thenewlaw’simpactonpolicepracticeishardtoevaluaterightnow.

4）Nodetailsofthecompany’sfinancialconditionwererevealedattherecentshareholdermeeting.

5）Whydon’twecrackopenabottleofchampagnetocelebrate?

6）Reformofthiscountry’smedicalsystemwillfollowontheheelsofthenewlaw.

2.

1）Hesayshe’sOK,butIfeelsort/kindofworriedabouthim.

2）“Oh,Ididn’tknowyouareawriter!

”“Yes,Iam,sort/kindof.”

3）Inthebright-redover-sizedcoat,shelookedsort/kindoffunny.

4）Fromwhatmygrandfathertoldme,mygreatgrandfatherhadsomesort/kindofeducation.

5）Finallyhefeltheneededtomakesomesort/kindofadecision.

6）BeingJane’sclosefriend,Barbarasort/kindofexpectedtobeinvitedtoherwedding.

3.

3.1

1）Unlikehisfather,helacksintelligence.

2）Unlikemostcomputersystemsonthelist,thisoneisnoteasytoinstall.

3）LikemostriversinChina,theYellowRiverrunsfromwesttoeast.

4）Unlikehistwobrotherswhoshowedaninterestinpoliticsintheirearlyyouth,Tomtookan

interestinmusic.

3.2

1）Nancyfeltthatsheneededtotakeavacationbeforebeginningthefreshmanyear.

2）Thedatainthisreportneedtobecorrectedandupdated.

3）Johnthoughtshedidn’tneedtocalladoctorashefeltmuchbetternow.

4.ComprehensivePractice

4.1Cloze

Wehavespentagreatdealoftimeandmoneyexploringspace,butremainignorantaboutvastareasofourownplanet.Forwestillknowlittleoftheworldbeneaththesurfaceoftheseas.Withsomuchtolearnaboutlifeinthedepthsoftheoceanitissurprisingthereissolittlefundingfordeepseaexploration.Itamountstolittlemorethanadropinthebucketofwhatisneededifwearetomakefulluseofthisvitalresource.Givenourgrowingpopulationtheoceansmayevenholdthekeytothesurvivalofourspecies.Itwouldbefoolishtocontinuetooverlooktheirimportance.

4.2Translation

Everyyearwespendhugeamountsofmoneyobservingthechangeinourclimateandthemovementofthestars.True,thisisnecessary,butwehaveoverlookedtheinfluenceoftheoceansonourplanet,andhavedonelittletounderstandthem.Theoceansarevitaltooursurvival.Withcountlessspeciesbeneaththeirsurface,theyprovideforus.TheyhelpeasetheburdenofourgrowingpopulationonEarth.Besides,theoceansplayanimportantroleinclimatecontrol.Therefore,wemustincreasetheamountoffundingforoceanexploration.

Reading&Comprehending

Reading1

1.ComprehensionCheckforReading1

A.（11）

B.（12）

C.

（1）

D.（4）

E.（15）

F.

（2）

G.（6）

H.（14）

2.Translation

1）英国皇家天文学家马丁·里斯写道，“我认为，随着机器人研究和微型化的每一个进步，载人航天飞行实用性之辩会越来越单薄无力。

”

2）然而，没有证据表明，如果我们优先其他研发项目，就不能达到同样的效果。

3）海洋生物据说有望提供治愈一系列疾病的办法。

4）如果海洋并不使你怦然心动，那么制造一种细菌，它能吃掉二氧化碳，不让世界过热，并且它还排出燃料，使我们开车开机器都不用油，你觉得怎样呢？

Reading2

ComprehensionCheckforReading2

1.B2.D3.A4.B5.A

IntegratedSkillsPracticing

I.Viewing&Listening

1）IgaveatalknotsolongagoattheWorldBankandIshowedthisamazingimageofEarthandIsaid,“Thereitis!

TheWorldBank!

”That’swherealltheassetsare!

Andwe’vebeendrawingthemdownmuchfasterthanthenaturalsystemscanreplenishthem.TimWorthsaystheeconomyisawholly-ownedsubsidiaryoftheenvironment.Witheverydropofwateryoudrink,everybreathyoutake,you’reconnectedtothesea.Nomatterwhereonearthyoulive.Mostoftheoxygenintheatmosphereisgeneratedbythesea.Overtime,mostoftheplanet’sorganiccarbonhasbeenabsorbedandstoredthere,mostlybymicrobes.Theoceandrivesclimateandweather,stabilizestemperature,shapesEarth’schemistry.Waterfromtheseaformscloudsthatreturntothelandandtheseasasrain,sleetandsnow,andprovideshomeforabout97%oflifeintheworld,maybeintheuniverse.Nowater,nolife;noblue,nogreen.

2）WecannowgototheArctic.JusttenyearsagoIstoodontheiceattheNorthPole.Anice-freeArticOceanmayhappeninthiscentury.That’sbadnewsforthepolarbears.That’sbadnewsforustoo.Excesscarbondioxideisnotonlydrivingglobalwarming,it’salsochangingoceanchemistry,makingtheseamoreacidic.That’sbadnewsforcoralreefsandoxygen-producingplankton,alsobadnewsforus.We’reputtinghundredsandmillionsoftonsofplasticandothertrashintothesea.Millionsoftonsofdiscardedfishingnets,gearthatcontinuestokill.Wearecloggingtheocean,poisoningtheplanet’scirculatorysystem,andwe’retakingouthundredsofmillionsoftonsofwildlife,allcarbon-basedunits.

3）Andso,Isupposeyouwanttoknowwhatmywishis.Iwishyouwoulduseallmeansatyourdisposal—films,expeditions,theweb,newsubmarinesandcampaigntoignitepublicsupportforaglobalnetworkofmarineprotectedareas—hopespotslargeenoughtosaveandrestoretheocean,theblueheartoftheplanet.Howmuch?

Somesay10%,somesay30%.Youdecide:

howmuchofyourheartdoyouwanttoprotect?

Whateveritis,afractionofonepercentisnotenough.Mywishisabigwish,butifwecanmakeithappen,itcantrulychangetheworld,andhelpensurethesurvivalofwhatactuallyis—asitturnsout—myfavoritespecies;thatwouldbeus.Forthechildrenoftoday,fortomorrow’schild:

asneveragain,nowisthetime.

Transcript:

Fiftyyearsago,whenIbeganexploringtheocean,noone,notJacquesPerrin,notJacquesCousteauorRachaelCarson,imaginedthatwecoulddoanythingtoharmtheoceanbywhatweputintoitorwhatwetookoutofit.Itseemed,atthattime,tobeaseaofEden.Butnowweknow,andwearenowfacingparadiselost.Iwanttosharewithyoumypersonalviewsofchangesintheseathataffectallofus,andtoconsiderwhyitmattersthatin50years,we’velost,actually,wehavetaken,we’veeaten—morethan90%ofthebigfishinthesea;whyyoushouldcarethatnearlyhalfofthecoralreefshavedisappeared;whyamysteriousdeplet