2026年英语专业四级完形填空与语法专项强化试题集（含答案解析）

2026年英语专业四级完形填空与语法专项强化试题集（含答案解析）考试时间：______分钟总分：______分姓名：______第一部分完形填空directions:Readthefollowingpassagecarefullyandchoosethebestword(orwords)foreachoftheblanksfromthefourchoicesgiven.MarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecenter.Thehumanbrainisincrediblycomplex,1__________playsacrucialroleinalmosteveryaspectofourlives.Itcontrolsourthoughts,emotions,andmovements,2__________allowsustolearn,create,andinteractwiththeworldaroundus.Whilescientistshavemaderemarkableprogressinunderstandingbrainfunction,thereisstillmuchthatremains3__________.Oneofthemostfascinatingaspectsofthebrainisitsabilitytoadaptandchange.Thisproperty,knownasneuroplasticity,meansthatourbrainscanreorganizethemselvesbyformingnewneuralconnectionsthroughoutlife.4__________,ifwelearnanewskillorpracticeanexistingone,theneuronsinvolvedbecomemoreefficientandcommunicatemoreeffectively.Thisprocessisnotonlylimitedtophysicalabilitiesbutalsoappliestocognitivefunctionssuchasmemoryandproblem-solving.Forexample,studieshaveshownthatregularmentalexercisecanhelp5__________cognitivedeclineinolderadults.However,thebrain'splasticityisnotwithoutlimitations.Certaincriticalperiodsindevelopmentarethoughttobecrucialforspecificskillstobeacquiredmosteasily.6__________,earlychildhoodisatimewhenthebrainisparticularlyreceptivetolearninglanguage.Ifthiswindowofopportunityismissed,itcanbemuchhardertoachieveproficiencylaterinlife.Additionally,thebrain'scapacityforchangecanbeinfluencedbyvariousfactors,includinggenetics,environment,andoverallhealth.7__________,maintainingahealthylifestyle,includingregularexerciseandabalanceddiet,isbelievedtosupportoptimalbrainfunction.Understandingthebrain'scomplexityandplasticityopensupnewpossibilitiesforeducation,rehabilitation,andmentalhealthcare.8__________,researchersareexploringwaystoharnessneuroplasticitytoimprovelearningoutcomesandtreatneurologicaldisorders.Asourknowledgecontinuestogrow,wecanlookforwardtoevenmoreinnovativeapproachesthatwillenhanceourunderstandingandappreciationofthisremarkableorgan.1.(A)which(B)what(C)where(D)how2.(A)and(B)but(C)so(D)yet3.(A)unknown(B)known(C)understood(D)discovered4.(A)Infact(B)Forexample(C)Asaresult(D)Therefore5.(A)prevent(B)cause(C)develop(D)enhance6.(A)Indeed(B)However(C)Moreover(D)Thus7.(A)Indeed(B)Moreover(C)Therefore(D)Otherwise8.(A)Eventually(B)Currently(C)Consequently(D)Furthermore第二部分语法directions:Beloweachofthefollowingsentences,therearefourchoicesmarked(A),(B),(C),and(D).Choosetheonethatbestcorrectstheunderlinedpartofthesentence.Ifthesentenceiscorrectasitis,choose(E).1.Thecommitteeiscomposedbymembersfromvariousdepartmentsacrosstheuniversity.(A)iscomposedby(B)iscomposedof(C)arecomposedby(D)arecomposedof(E)Nochangeisneeded2.Despiteallthechallengestheyfaced,theteammanagedtocompletetheprojectontime.(A)Despiteall(B)all(C)Despite(D)theyfaced(E)Nochangeisneeded3.IfIhadknownyouweregoingtobelate,Iwouldhavepreparedsomethingtoeat.(A)hadknown(B)haveknown(C)knew(D)know(E)Nochangeisneeded4.Thebook,whichiswrittenbyarenownedauthor,offersvaluableinsightsintomodernsociety.(A)whichiswritten(B)written(C)iswritten(D)arewritten(E)Nochangeisneeded5.Neitherthestudentsnortheteacherwasawareofthechangeintheexamschedule.(A)was(B)were(C)hasbeen(D)havebeen(E)Nochangeisneeded6.Bythetimetheresearchersreturnedtothelab,theyhadbeenworkingontheexperimentforover36hours.(A)hadbeenworking(B)haveworked(C)hadworked(D)havebeenworking(E)Nochangeisneeded7.Sheisinterestedinstudyingnotonlyastrophysicsbutalsootherrelatedfieldssuchasquantummechanics.(A)notonlyastrophysicsbutalsoother(B)notonlyastrophysicsbutother(C)notonlyinastrophysicsbutalsoinother(D)notonlyastrophysicsbutalso(E)Nochangeisneeded8.Thecompanydecidedtopostponethemeeting,becausetherewerenotenoughparticipantspresent.(A)topostpone(B)postponing(C)postpone(D)whichtopostpone(E)Nochangeisneeded9.Havingfinishedhishomework,Tomwentstraighttotheplaygroundtoplayfootball.(A)Havingfinished(B)havingfinished(C)havefinished(D)finishes(E)Nochangeisneeded10.Themanager,alongwithhisteam,isresponsibleforoverseeingtheentireoperationofthedepartment.(A)alongwithhisteam(B)andhisteam(C)togetherwithhisteam(D)aswellashisteam(E)Nochangeisneeded试卷答案第一部分完形填空1.(A)which2.(A)and3.(A)unknown4.(B)Forexample5.(A)prevent6.(D)Thus7.(C)Therefore8.(B)Currently第二部分语法1.(B)iscomposedof2.(E)Nochangeisneeded3.(A)hadknown4.(B)written5.(A)was6.(A)hadbeenworking7.(D)notonlyastrophysicsbutalso8.(B)postponing9.(A)Havingfinished10.(D)aswellashisteam解析思路第一部分完形填空1.which:引导非限制性定语从句，修饰前面的整个主语"Thehumanbrain"，并在从句中作主语，指代"thehumanbrain"，符合语境。2.and:连接两个并列成分，"controlsourthoughts,emotions,andmovements"和"allowsustolearn,create,andinteract..."，表示递进或补充关系，使句子更流畅。3.unknown:形容词作表语，修饰"much"，指代"whatremains"，表示“许多未知的事物”，符合文章探讨大脑未解之谜的主题。4.Forexample:介词短语，引出具体的例子，说明神经可塑性的表现，逻辑上承接前文对神经可塑性的定义。5.prevent:动词原形，与"can"连用构成情态动词的用法，表示“能够阻止或避免”认知衰退，符合语境。6.Thus:连词，表示结果或推论，引出“关键期”与“学习难度”之间的因果关系，承接上文提到的神经可塑性受限于关键期。7.Therefore:连词，表示结果或结论，引出“保持健康生活方式”与“支持大脑功能”之间的因果关系，逻辑上承接上文提到的健康因素对神经可塑性的影响。8.Currently:副词，修饰"exploring"，表示“目前正在进行的探索”，符合文章讨论当前科研进展的语境。第二部分语法1.iscomposedof:谓语动词短语，意为“由...组成”，主语"Thecommittee"是单数，谓语应用"iscomposedof"，"becomposedby"意为“被...组成”，不符合句意。2.Nochangeisneeded:句子结构正确。"Despiteallthechallengestheyfaced"是让步状语从句，"despite"可以直接引导，无需"all"。3.hadknown:虚拟语气。句子表达与过去事实相反的假设，主句用"wouldhave+过去分词"，从句应用"had+过去分词"。4.written:过去分词作后置定语，修饰"Thebook"，构成"Thebook,[whichis]writtenbyarenownedauthor..."结构，意为“一本由著名作家写的书”，省略了whichis，更简洁。5.was:主谓一致。主语是"Neitherthestude