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________.