大学英语英语四级模拟题(答案) (1)

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大学英语四级试卷(满分120分,考试时间90分钟)一、选择题:(本题共20小题,每小题3分,共60分)1.Althoughhehadlookedthroughallthereferencematerialonthe

subject,hestillfoundithardtounderstandthispointandher

explanationonly_____tohisconfusion.

A.extendedB.amountedC.addedD.turned

2.Althoughheisover60now,hestillcannotforgetthetrafficaccident

30yearsagoofwhichhis________isreallyamiracle.

A.escapeB.survival

C.runawayD.victim

3.Althoughheisveryrich,hisundutifulchildrenarethe_______of

hislife.

A.torch

B.torment

C.topic

D.topper

4.AlthoughIspoketohimmanytimes,henevertookany_______ofwhat

Isaid.

A.noticeB.remark

C.observationD.attention

5.Althoughmostbirdshaveonlyanegligiblesenseofsmell,theyhave

_______vision.A.vigorous

B.exact

C.acute

D.vivid

6.MsSimmsisverysensitive______criticism.

A.of

B.in

C.to

D.on

7.Itisanexception________therules.

A.of

B.in

C.against

D.to

8.Asadefenseagainstair-pollutiondamage,manyplantsandanimals

________asubstancetoabsorbharmfulchemicals.

A.relieve

B.dismiss

C.release

D.discard

9.Asasalesman,heworksona(an)_____basis,taking10%ofeverything

hesells.A.incomeB.commissionC.salaryD.pension

10.Asallofusknow,color-blindpeopleoftenfindtodifficultto

______betweenblueandgreen.

A.separateB.distinguishC.compareD.contrast

11.Humanbehaviorismostlyaproductoflearning,_______thebehavior

ofaanimaldependsmainlyoninstinct.

A.whereas

B.so

C.unless

D.that

12.Woodfurnituredoesnotdepreciateinvalue_______properlyhandled

andprotecteD.

A.if

B.has

C.and

D.that

13.Althoughmuchisdonetosupplyenoughforeveryone,______offood

willlongbeaworldproblem.

A.lackB.shortageC.absenceD.decline

14.Archaeologists______thewallsoftheoldcityatadepthofseveral

metresbelowthesurface.

A.determinedB.locatedC.provedD.defined15.Alarge___ofmoneyisspentonimporteveryyear.

A.accountB.amountC.numberD.quality

16.Whetherwearefeelinghappyorsad,____ouremotionswillmakeus

feelmorerelaxeD.

A.shareB.sharedC.sharingD.tosharing

17._____thatthewholeroofwasblownoff.

A.SoterriblethestormmaybeB.Soterriblythestormmaybe

C.SoterriblewasthestormD.Soterriblywasthestorm

18.---Let’sgoforawalk.

---Yes,today’sweatherisn’tascoldasitwasyesterday,____?

A.wasn’titB.wasitC.isn’titD.isit

19.---Howmuchisthedesk?

---it__ninety-ninepounds.()

A.costs

B.Paysto

C.spends

D.Takesis

20.IamafraidIwon'tbeabletokeepintouch__him.()

A.Togo

B.Forif

C.with

D.Bytoo二、单词拼写(共计15分)

1.Mr.Limovedtotheseashoreinhisf______(四十来岁).

2.H______(听到)thegoodnews,wealljumpedwithjoy.

3.Before_______________(冒险),youshouldbalancethebenefitsaswell

asthedangers.

4.Theuniquedesignofthehotelcanmakethecustomers________________

________.(不拘束)(根据汉语提示完成句子)

5.________________(一般来说),diligencecanleadtopositiveresults.

(根据汉语提示完成句子)

三、阅读理解:(共30分)

Ifthepopulationoftheearthgoesonincreasingatitspresentrate,

therewilleventuallynotbeenoughresourceslefttosustainlifeon

theplanet.Bythemiddleofthe21stcentury,ifpresenttrendscontinue,

wewillhaveusedupalltheoilthatdrivesourcars,forexample.Even

ifscientistsdevelopnewwaysoffeedingthehumanrace,thecrowded

conditionsonearthwillmakeitnecessaryforlustolookforopenspace

somewhereelse.Butnoneoftheotherplanetsinoursolarsystemare

capableofsupportinglifeatpresent.Onepossiblesolutiontothe

problem,however,hasrecentlybeensuggestedbyAmericanscientist,

ProfessorCarlSagan.Saganbelievesthatbeforetheearth'sresources

arecompleetelyexhausteditwillbepossibletochangetheatmophere

ofVenusandsocreateanewworldalmostaslargeasearthitself.ThedifficultisthatVenusismuchhotterthantheearthandthereisonly

atinyamountofwaterthere.

Saganproposesthatalgaeorganismsthatcanliveinextremelyhotor

coldatmospheresandatthesametimeproduceoxygen,shouldbebredin

conditionsimilartothoseonVenus.Assoonasthishasbeendone,the

algaewillbeplacedinsmallrockets.SpaceshipwillthenflytoVenus

andfiretherocketsintotheatmosphere.Inafairlyshorttime,the

algewillbreakdownthecarbondioxideintooxygenandcarbon.Whenthe

algaehavedonetheriwork,theatmospherewillbecomecooler,butbefor

mancansetfootonVenusitwillbeneccessaryfortheoxygentoproduce

rain.Thesurfaceoftheplanetwillstillbetoohotformantoland

onitbuttherainwilleventuallyfallandinafewyearssomethinglike

earthwillbereproducedonVenus.

1.Intelongrun,themostinsolubleproblemcausedbypopulationgrowth

onearthwillprobablybethelackof______.

A.foodB.oilC.spaceD.resources

2.CarlSaganbelievesthatVenusmightbecolonizedfromearthbecause

_____

A.itmightbepossibletochangeitsatmosphereB.itsatmosphereisthe

sameastheearth'sC.thereisagoodsupplyofwateronVenusD.thedays

onVenusarelongenough

3.OnVenusthereisalotof________.