2020年12月四级考试三套卷真题+答案可下载

2020年12月四级考试三套卷真题+答案可下载

一、单项选择题（20分）1.Theword"ubiquitous"mostcloselymeans:A)rareB)commonC)ancientD)temporary2.Inthesentence"Bythetimeshearrived,theparty_____",thecorrectverbformis:A)hasendedB)endedC)hadendedD)ends3.Choosethecorrectpreposition:"Sheisinterested_____learningFrench."A)onB)inC)atD)for4.Whichofthefollowingsentencesusesthepassivevoicecorrectly?A)Thebookwrotebyhim.B)Thebookwaswritingbyhim.C)Thebookwaswrittenbyhim.D)Thebookwrittenbyhim.5.Identifythesynonymfor"meticulous":A)carelessB)detailedC)simpleD)quick6.Themainideaofthepassage:"Globalwarmingposesaseverethreattopolarbears,asmeltingicereducestheirhuntinggrounds."isbestsummarizedas:A)Polarbearsenjoywarmerclimates.B)Globalwarmingbenefitswildlife.C)Meltingicethreatenspolarbearsurvival.D)Huntinggroundsareexpanding.7.Selectthegrammaticallycorrectsentence:A)Neitherthestudentsnortheteacherareattendingthemeeting.B)Neitherthestudentsnortheteacherisattendingthemeeting.C)Neitherthestudentsortheteacherisattendingthemeeting.D)Neitherthestudentsnortheteacherattendingthemeeting.8.Whatistheantonymof"benevolent"?A)kindB)generousC)malevolentD)friendly9.In"IfI_____enoughmoney,Iwouldtraveltheworld.",thecorrectwordis:A)haveB)hadC)willhaveD)has10.Whichwordbestfits:"Thescientistpresenteda_____argumentforhertheory."A)weakB)compellingC)boringD)irrelevant二、填空题（20分）1.Thephrase"betterlatethannever"isanexampleofacommon_____.2.InEnglishgrammar,thepastperfecttenseisformedwith"had"+_____.3.Theantonymof"optimistic"is_____.4.Forthesentence"She_____tothestoreyesterday",thecorrectverbis"went".5.Agroupofwordsthatcontainsasubjectandaverbiscalleda_____.6.Theword"environment"derivesfromtheFrenchwordmeaning_____.7.Inacademicwriting,athesisstatementshouldclearlypresentthemain_____.8.Theprefix"un-"in"unhappy"means_____.9.Toformthepluralof"child",itbecomes_____.10.Theidiom"breakaleg"isoftenusedtowishsomeonegood_____.三、判断题（20分）1.()"Affect"isusuallyaverb,while"effect"isanoun.2.()Inthesentence"Hedon'tlikeapples",itisgrammaticallycorrect.3.()"Their"isapossessivepronoun,and"there"referstoaplace.4.()Ametaphordirectlycomparestwothingsusing"like"or"as".5.()Thepresentcontinuoustensedescribesactionshappeningnow.6.()"Unique"canbemodifiedbywordslike"very"or"extremely".7.()Arun-onsentencelacksproperpunctuationbetweenindependentclauses.8.()"Whom"isusedasthesubjectofaclause.9.()Formalwritingshouldavoidcontractionslike"can't".10.()Theword"data"isalwaysconsideredsingularinEnglish.四、简答题（20分）1.Explainthedifferencebetweencountableanduncountablenouns,providingexamples.2.Describethekeyelementsofawell-structuredparagraphinacademicwriting.3.Whatarethemainfunctionsoftransitionwordsinanessay?Givethreeexamples.4.Howdoescontexthelpinunderstandingthemeaningofambiguouswords?Illustratewithanexample.五、讨论题（20分）1.DiscusstheimpactofsocialmediaonEnglishlanguagelearningamonguniversitystudents.2.Analyzetheadvantagesanddisadvantagesofusingonlinedictionariescomparedtoprintedonesforvocabularybuilding.3.DebatetheroleofculturalawarenessineffectiveEnglishcommunication.4.Evaluatetheimportanceofcriticalthinkingskillsininterpretingwrittentextsduringexams.答案和解析：一、单项选择题答案1.B)common(解析:"Ubiquitous"meanspresenteverywhere,so"common"istheclosestsynonym.)2.C)hadended(解析:Pastperfecttenseisusedforanactioncompletedbeforeanotherpastaction;"hadended"fitshere.)3.B)in(解析:Thecorrectprepositionwith"interested"is"in",forming"interestedin".)4.C)Thebookwaswrittenbyhim.(解析:Thisusesthepassivevoicecorrectlywith"was"+pastparticiple"written".)5.B)detailed(解析:"Meticulous"meansshowinggreatattentiontodetail,so"detailed"isasynonym.)6.C)Meltingicethreatenspolarbearsurvival.(解析:Thepassagefocusesonglobalwarmingreducingiceandendangeringpolarbears.)7.B)Neitherthestudentsnortheteacherisattendingthemeeting.(解析:With"neither...nor",theverbagreeswiththeclosersubject"teacher",so"is"iscorrect.)8.C)malevolent(解析:"Benevolent"meanskind,soitsantonymis"malevolent",meaningevilorharmful.)9.B)had(解析:Thisisasecondconditionalsentence;"ifIhad"isusedforunrealsituations.)10.B)compelling(解析:"Compelling"meansconvincingorstrong,fittingforascientificargument.)二、填空题答案1.idiom(解析:"Betterlatethannever"isacommonidiomexpressingthatdoingsomethinglateisbetterthannotatall.)2.pastparticiple(解析:Thepastperfecttensestructureis"had"+pastparticiple,e.g.,"hadeaten".)3.pessimistic(解析:"Optimistic"meanshopeful,soitsantonymis"pessimistic",meaningexpectingtheworst.)4.went(解析:Thepasttenseof"go"is"went",usedforactionscompletedinthepastlike"yesterday".)5.clause(解析:Aclausecontainsasubjectandaverb,formingacompletethoughtorpartofasentence.)6.surroundings(解析:"Environment"comesfromFrench"environner",meaningtoencircleorsurround.)7.argument(解析:Athesisstatementstatesthemainargumentorpurposeofanessay.)8.not(解析:Theprefix"un-"typicallynegatesorreversesthemeaning,e.g.,"unhappy"meansnothappy.)9.children(解析:Theirregularpluralof"child"is"children",notfollowingstandard"s"addition.)10.luck(解析:"Breakaleg"isanidiomusedtowishsomeonegoodluck,especiallyinperformances.)三、判断题答案1.True(解析:"Affect"isprimarilyaverbmeaningtoinfluence,while"effect"isanounmeaningresult.)2.False(解析:"Hedon't"isincorrect;itshouldbe"Hedoesn't"forthird-personsingularpresenttense.)3.True(解析:"Their"showspossession,e.g.,"theircar",while"there"indicateslocation,e.g.,"overthere".)4.False(解析:Ametaphorimpliescomparisonwithout"like"or"as";similesusethosewords.)5.True(解析:Presentcontinuoustense,e.g.,"isrunning",describesongoingactionsatthemomentofspeaking.)6.False(解析:"Unique"meansoneofakind,soitcannotbemodifiedbydegreeslike"veryunique"isincorrect.)7.True(解析:Arun-onsentencejoinsindependentclauseswithoutconjunctionsorpunctuation,causingerrors.)8.False(解析:"Whom"isanobjectpronoun,usedforobjectsofverbsorprepositions;"who"isforsubjects.)9.True(解析:Formalwritingavoidscontractionstomaintainprofessionalism,using"cannot"insteadof"can't".)10.False(解析:"Data"canbesingularorplural;inscientificcontexts,it'softentreatedasplural,e.g.,"dataare".)四、简答题答案1.Countablenounsrefertoitemsthatcanbecountedandhavepluralforms,suchas"book/books",whileuncountablenounsdenotesubstancesorconceptsthatcannotbecountedandlackplurals,like"water"or"information".Countablenounsusequantifierslike"many"andarticles"a/an",whereasuncountablenounsuse"much"andnoarticlesforgeneralreference.Forexample,"Ihavethreebooks"usescountable"books",but"Ineedsomeinformation"usesuncountable"information".Thisdistinctionaffectsverbagreementandmodifiers.2.Awell-structuredparagraphincludesatopicsentencethatstatesthemainidea,supportingsentenceswithevidenceorexamples,andaconcludingsentencethatsummarizesortransitions.Thetopicsentenceintroducesthefocus,suchas"Exercisebenefitsmentalhealth".Supportingsentencesprovidedetails,likestudiesshowingreducedstress.Theconclusionreinforcestheidea,e.g.,"Thus,regularexerciseisessential".Coherenceismaintainedthroughlogicalflowandtransitionwords,ensuringunityaroundonethemewithoutdigressions.3.Transitionwordsconnectideas,improveflow,andclarifyrelationshipsbetweensentencesorparagraphs.Functionsincludeindicatingaddition(e.g.,"furthermore"),contrast(e.g.,"however"),andcause-effect(e.g.,"therefore").Forinstance,"furthermore"addsinformation,"however"introducesopposition,and"therefore"showsconsequence.Thesewordsenhancereadabilitybyguidingreadersthroughargumentsandpreventingdisjointedtext.4.Contexthelpsresolveambiguitybyprovidingsurroundingwordsorsituationsthatclarifymeaning.Forexample,theword"bank"canmeanafinancialinstitutionorariveredge.Inthesentence"Isatonthebankandfished",thecontextof"fished"indicatesitreferstoariverside.Withoutcontext,misunderstandingsarise,butwithit,readersinferintendeddefinitionsbasedonclueslikeverbsoradjectives.五、讨论题答案1.SocialmediasignificantlyimpactsEnglishlearningbyprovidingauthenticlanguageexposurethroughvideos,chats,andposts,enhancingvocabularyandfluencyinteractively.However,itcanpromoteinformallanguageanderrors,asusersoftenadoptslangorshortcuts,potentiallyhinderingacademicwritingskills.Foruniversitystudents,benefitsincludeaccesstoglobalresourcesandpeerfeedback,butdrawbacksinvolvedistractionsandreducedfocusonformalgrammar.Overall,itsupplementstraditionallearningbutrequiresguidedusetomaximizeeffectiveness.2.Onlinedictionariesofferadvantageslikeinstantaccess,audiopronunciations,andupdates,makingvocabularybuildingconvenientandmultimedia-rich.Disadvantagesincluderelianceoninternetconnectivityandpotentialinaccuraciesinuser-generatedcontent.Printeddictionariesprovidereliabilityanddepthbutlackreal-timefeatu