大学英语CET-4历年真题（PDF高清版）

大学英语CET-4历年真题（PDF高清版）一、单项选择题（总共10题，每题2分，共20分）1.Inthepassage,theauthor'sattitudetowardstheimpactofsocialmediaonteenagerscanbebestdescribedas______.Thepassagementionsthatwhilesocialmediaprovidesaplatformforself-expression,italsoleadstoissueslikecyberbullyingandreducedface-to-facecommunication.Basedonthesepoints,theauthorappearstobe______.A.Pessimistic,believingsocialmediahasnobenefitsatallB.Optimistic,highlightingonlythepositiveeffectsofsocialmediaC.Cautious,acknowledgingbothbenefitsanddrawbacksofsocialmediaD.Indifferent,suggestingsocialmediaisneithergoodnorbad2.Thesentence"Therapiddevelopmentoftechnologyhastransformedthewayweliveandwork"isanexampleofa______.Thequestionaskstoidentifythegrammaticalstructureofthesentence.Theunderlinedpart"Therapiddevelopmentoftechnology"isanounphrase,and"hastransformed"isthemainverbphrase.Thestructurefollowsthepattern"Subject+Verb+Object,"withthenounphraseactingasthesubject.A.ComplexsentencewithaninfinitivephraseB.Simplesentencewithasubject-verb-objectstructureC.CompoundsentencewitharelativeclauseD.Interrogativesentencewithamodalverb3.Ifyouwanttoemphasizethataparticularpointisimportantinyouressay,youshoulduse______.Thequestionfocusesonacademicwritingtechniques.Toemphasizeapoint,writersoftenusephraseslike"Itisworthnotingthat..."or"Thisisparticularlysignificantbecause..."Thesephrasessignalimportanceandguidethereadertothekeyidea.A.PassivevoicetosoundmoreformalB.ActivevoicewithstrongtopicsentencesC.ParentheticalcitationstosupporttheclaimD.Footnotestoprovideadditionalcontext4.Theword"ubiquitous"inthecontextof"smartdevicesbeingubiquitousinmodernhomes"means______.Thequestiontestsvocabularyincontext."Ubiquitous"means"present,appearing,orfoundeverywhere."Inthegivensentence,itimpliesthatsmartdevicesarewidespreadandcommonlyusedinhomes.A.RareandexpensiveB.LimitedtocertainregionsC.AvailableeverywhereD.Outdatedandobsolete5.Inthearticle"TheEffectsofClimateChangeonCoastalCities,"theauthorusesdatafromscientificstudiesto______.Thequestionassessesreadingcomprehensionofacademictexts.Thepassagelikelypresentsstatisticsorresearchfindingstosupporttheargumentthatclimatechangeposesathreattocoastalcities.Thisuseofevidencestrengthenstheauthor'sclaimandmakestheessaymorepersuasive.A.TellapersonalstoryaboutcoastalcitiesB.Describetheauthor'spersonalexperiencesC.ProvideevidencetosupportthethesisD.Suggestsolutionstotheproblem6.Thephrase"aHerculeantask"isanexampleof______.Thequestiontestsfigurativelanguage."Herculean"referstosomethingrequiringimmensestrengthoreffort,likeHerculesinGreekmythology.Thephraseisanidiomusedtodescribeaverydifficultchallenge.A.MetaphorcomparingatasktoamythologicalfigureB.Simileusing"like"or"as"tocomparetwothingsC.PersonificationgivinghumanqualitiestoinanimateobjectsD.Hyperboleexaggeratingthedifficultyofatask7.Ifyouwanttowriteapersuasiveessayabouttheimportanceofrecycling,yourthesisstatementshouldbe______.Thequestionfocusesonessaystructure.Astrongthesisstatementclearlystatesthemainargument.Forexample:"Recyclingiscrucialforenvironmentalsustainabilitybecauseitreduceswaste,conservesresources,andcombatsclimatechange."Thisstatementpresentsaclearpositionwithsupportingpoints.A."Manypeoplebelieverecyclingisimportant."B."RecyclinghelpstheEarthinmanyways."C."Ithinkrecyclingisagoodidea."D."Recyclingisaglobalissue."8.Thesentence"Despitethechallenges,shesuccessfullycompletedtheprojectontime"demonstratestheuseof______.Thequestiontestsgrammarandsentencestructure."Despite"introducesaconcessiveclause,whichcontrastswiththemainclause.Thisstructureshowshowthesubjectovercameobstaclestoachievesuccess.A.Arelativeclausemodifying"challenges"B.AconditionalclauseindicatingfuturepossibilityC.AconcessiveclauseshowingcontrastD.Aparticipialphraseprovidingadditionalinformation9.Theword"elucidate"inthesentence"Theprofessor'slecturehelpedtoelucidatethecomplexeconomictheories"means______.Thequestiontestsvocabularyincontext."Elucidate"meanstoexplainormakeclear.Inthesentence,thelecturemadethetheorieseasiertounderstand.A.TocriticizethetheoriesB.TosummarizethetheoriesC.ToexplainthetheoriesD.Toquestionthetheories10.Inthepassage"TheRoleofArtificialIntelligenceinEducation,"theauthormentionsthatAIcanpersonalizelearningexperiences.Thisisanexampleof______.Thequestionassessesunderstandingoftextstructure.ThepassagelikelydiscusseshowAIadaptstoindividualstudentneeds,suchasadjustingdifficultylevelsorprovidingtargetedfeedback.Thisisakeyfeatureofpersonalizedlearning.A.ApersonalanecdoteaboutusingAIineducationB.AgeneralstatementaboutAI'scapabilitiesC.AspecificexampleofAIintheclassroomD.ApredictionaboutAI'sfuturerole二、填空题（总共10题，每题2分，共20分）1.To______asentence,youneedtoensurethatthesubjectandverbagreeinnumber.2.Theword"profound"means______,asseeninthesentence"Shegaveaprofoundspeechaboutsocialjustice."3.Intheessay"TheBenefitsofReading,"theauthoruses______tosupporttheclaimthatreadingimprovesvocabulary.4.Thephrase"onthehornsofadilemma"referstoasituationwhereyouare______betweentwoequallyundesirableoptions.5.To______aparagraph,youshouldincludeacleartopicsentenceandsupportingdetails.6.Theword"myriad"inthecontext"Amyriadoffactorscontributetoclimatechange"means______.7.Inthearticle"TheImpactofSocialMediaonTeenagers,"theauthoruses______toexplainhowsocialmediaaffectsmentalhealth.8.Thesentence"Thecompany'sprofitsdeclinedsharplylastquarter"isanexampleof______voice.9.To______athesisstatement,itshouldbespecific,debatable,andconcise.10.Theword"nascent"inthecontext"Therenewableenergyindustryisinanascentstage"means______.三、判断题（总共10题，每题2分，共20分）1.Thepassivevoiceisalwaysmoreformalthantheactivevoice.2.Athesisstatementmustalwaysbeonesentencelong.3.Theword"ubiquitous"meanssomethingisrareanduncommon.4.Inacademicwriting,itisacceptabletousecontractionslike"don't"and"it's."5.Thephrase"aHerculeantask"isanexampleofametaphor.6.Aconcessionclauseisusedtointroduceadditionalinformationthatcontradictsthemainidea.7.Theword"elucidate"meanstomakesomethingunclearorconfusing.8.Personalpronounslike"I"and"you"shouldbeavoidedinformalacademicwriting.9.Theword"myriad"meansalargebutspecificnumberofthings.10.Anascentstagereferstosomethingthatisfullydevelopedandmature.四、简答题（总共8题，每题2分，共16分）1.Explainthedifferencebetweenasimplesentenceandacompoundsentence.Provideoneexampleofeach.2.Whatisthepurposeofusingtransitionwordsinanessay?Givethreeexamplesoftransitionwords.3.Howdoestheactivevoicedifferfromthepassivevoiceintermsofclarityandconciseness?4.Describethreecommongrammaticalerrorstoavoidinacademicwriting.5.Whatistheroleofatopicsentenceinaparagraph?6.Howcanyouuseevidencefromatexttosupportyourargumentinanessay?7.Whatisthedifferencebetweenanidiomandametaphor?Giveoneexampleofeach.8.Howdoesthewordchoiceinapassageaffectitstone?Provideanexample.五、应用题（总共8题，每题4分，共24分）1.Readthefollowingpassageandidentifythemainidea:"Manystudieshaveshownthatregularexerciseimprovesmentalhealth.Exercisereleasesendorphins,whichreducestressandimprovemood.Additionally,physicalactivitycanenhancecognitivefunction,leadingtobetterfocusandmemory.However,findingtimeforexercisecanbechallengingintoday'sfast-pacedworld."Whatisthemainideaofthispassage?2.Rewritethefollowingsentenceusingtheactivevoice:"Theexperimentwasconductedbytheresearchers."3.Explainthemeaningoftheidiom"bitethebullet"inyourownwords.4.Readthefollowingthesisstatementandidentifyitsstrengths:"Recyclingisimportantbecauseithelpstheenvironment."5.Describehowyouwouldusetheword"ubiquitous"inasentencetoillustrateitsmeaning.6.Readthefollowingparagraphandidentifythetopicsentence:"Theinternethasrevolutionizedcommunication.Itallowspeopletoconnectinstantlyacrosstheglobe.However,italsoraisesconcernsaboutprivacyandmisinformation.Despitetheseissues,thebenefitsofdigitalcommunicationoutweighthedrawbacks."7.Explainhowtheword"elucidate"isusedinthesentence:"Theteacher'sexplanationhelpedtoelucidatethecomplexmathematicalconcept."8.Readthefollowingpassageandidentifyoneexampleofevidenceusedtosupporttheauthor'sclaim:"Artificialintelligenceistransformingeducation.Forexample,AI-poweredplatformscanadapttoeachstudent'slearningpace.Thispersonalizationensuresthatstudentsreceivetargetedsupportwheretheyneeditmost.Asaresult,educationaloutcomesareimproving."【标准答案及解析】一、单项选择题1.C)Cautious,acknowledgingbothbenefitsanddrawbacksofsocialmedia解析：Thepassagementionsbothpositiveandnegativeaspectsofsocialmedia,indicatingabalancedperspective.Theauthorneithercompletelypraisesnorcondemnsit,showingcaution.2.B)Simplesentencewithasubject-verb-objectstructure解析：Thesentencehasoneindependentclausewithaclearsubject("Therapiddevelopmentoftechnology")andverb("hastransformed").Therearenodependentclausesorothercomplexelements.3.B)Activevoicewithstrongtopicsentences解析：Toemphasizeapoint,activevoicemakestheessaymoredirectandimpactful.Strongtopicsentencesclearlystatethemainidea,guidingthereader.4.C)Availableeverywhere解析："Ubiquitous"meanswidespreadorpresentinallplaces.Thesentenceimpliessmartdevicesarecommoninhomes.5.C)Provideevidencetosupportthethesis解析：Academictextsusedatatostrengthenarguments.Theauthorlikelypresentsstatisticstoprovethethreatofclimatechangetocoastalcities.6.A)Metaphorcomparingatasktoamythologicalfigure解析："Herculean"referstotasksrequiringimmensestrength,likeHercules.Thephraseisametaphorcomparingdifficultytomythologicalstrength.7.B)RecyclinghelpstheEarthinmanyways.解析：Astrongthesisclearlystatestheargument.Thisoptionpresentsaspecific,debatableclaimwithimplicitsupportingpoints.8.C)Aconcessiveclauseshowingcontrast解析："Despite"introducesacontrastbetweenchallengesandsuccess,showinghowthesubjectovercameobstacles.9.C)Explainthetheories解析："Elucidate"meanstomakesomethingclear.Thelectureclarifiedcomplextheoriesforstudents.10.C)AspecificexampleofAIintheclassroom解析：Thepassagelikelyprovidesareal-worldinstanceofAI'sroleineducation,suchaspersonalizedlearningtools.二、填空题1.Correct2.Deeporprofound3.Examplesorstatistics4.Caught5.Develop6.Many7.Examplesorstatistics8.Passive9.Strengthen10.Earlyorinitial三、判断题1.False解析：Formalitydependsoncontext,notvoice.Passivevoicecanbeinformalinsomecases.2.False解析：Thesisstatementscanbemorethanonesentenceifneeded.3.False解析："Ubiquitous"meanswidespread,notrare.4.False解析：Contractionsaregenerallyavoidedinformalacademicwriting.5.True解析："Herculean"isametaphorcomparingdifficultytoHercules'strength.6.True解析：Concessionsintroducecontrastingideas.7.False解析："Elucidate"meanstoclarify,notconfuse.8.False解析：Personalpronounsareoftennecessaryinacademicwriting.9.False解析："Myriad"meansanindefinitelargenumber,notspecific.10.False解析："Nascent"meansearlyorinitial,notfullydeveloped.