2025年英语四六级完形填空专项训练试卷提高词汇运用能力

2025年英语四六级完形填空专项训练试卷，提高词汇运用能力考试时间：______分钟总分：______分姓名：______PartIClozeDirections:Readthefollowingpassagecarefullyandchoosethebestword(s)foreachblankfromthefourchoicesgivenontherightsideofthepaper.Markthecorrespondingletterwithasinglelinethroughthecentre.Thehumanbrainisaremarkableorgan,capableof1.______incrediblefeats.Itprocessesinformationatlightningspeed,allowingusto2.______everythingfromsimpletaskstocomplexproblem-solving.Oneofthemostfascinatingaspectsofthebrainisitsabilitytoadaptandchange,apropertyknownasneuroplasticity.Thismeansthatthebraincanreorganizeitselfbyformingnewneuralconnectionsthroughoutlife.3.______,thisadaptabilityisnotlimitless;therearecertainperiodswhenthebrainisparticularlyreceptivetolearninganddevelopment,oftenreferredtoascriticalperiods.Duringthesecriticalperiods,thebrainishighly4.______toenvironmentalstimuli.Experiencesduringthesetimescanhaveaprofoundimpactonaperson'sdevelopment,shapingtheirabilities,beliefs,andevenpersonality.Forexample,earlyexposuretolanguage5.______childrentoacquirefluentcommunicationskillsmoreeasilythanlaterexposure.Similarly,physicalexperiencesduringchildhoodcan6.______thedevelopmentofmotorskills.However,neuroplasticitydoesnot7.______withage.Whilethebrainmaybecomelessflexibleaswegetolder,itisstillcapableoflearningandadapting,albeitataslowerrate.Engaginginlifelonglearning,stayingmentallyactive,andmaintainingahealthylifestylecanall8.______topreservingandenhancingbrainfunction.Infact,recentresearchsuggeststhatthebraincancontinuetogeneratenewneuronsthroughoutadulthood,aprocessknownasadultneurogenesis.Thisfurtherunderscoresthebrain'sremarkableabilityto9.______andthrive,eveninthefaceofchallenges.Understandingthebrain'splasticityhasimportantimplicationsforeducation,rehabilitation,andmentalhealth.Byrecognizingthebrain'sabilitytochange,wecan10.______moreeffectivestrategiesforlearning,recovery,andoverallwell-being.1.(A)achieving(B)performing(C)accomplishing(D)executing2.(A)handle(B)manage(C)undertake(D)engage3.(A)Thus(B)However(C)Moreover(D)Therefore4.(A)sensitive(B)susceptible(C)responsive(D)reactive5.(A)enables(B)facilitates(C)empowers(D)equips6.(A)promote(B)encourage(C)foster(D)advance7.(A)stop(B)cease(C)end(D)finish8.(A)contribute(B)lead(C)relate(D)connect9.(A)evolve(B)adapt(C)transform(D)modify10.(A)develop(B)devise(C)design(D)discoverPartIIReadingComprehensionDirections:Readthefollowingpassagecarefullyandthenanswerthequestionsbasedonit.Choosethebestanswerfromthefourchoicesgiven.Inthedigitalage,socialmediahasbecomeanintegralpartofourlives.Whileitoffersnumerousbenefits,suchasstayingconnectedwithfriendsandfamily,accessinginformation,andevenpromotingsocialcauses,italsopresentsseveralchallenges.Oneofthemostsignificantchallengesisthespreadofmisinformation.Theeasewithwhichfalseinformationcanbesharedonsocialmediaplatformshasledtoconcernsaboutitsimpactonpublicopinion,politicalprocesses,andevenpublichealth.Misinformationcantakemanyforms,includingfabricatednewsstories,misleadingstatistics,andmanipulatedimages.Itoftenspreadsrapidlybecauseitisdesignedtoevokestrongemotionalresponses,suchasfear,anger,oroutrage.Theseemotionscanoverridecriticalthinkingandleadpeopletobelieveandshareinformationwithoutverifyingitsaccuracy.Thealgorithmsthatpowersocialmediaplatformscanfurtherexacerbatethisproblembyprioritizingcontentthatgeneratesengagement,regardlessofwhetheritistrueorfalse.Theconsequencesofmisinformationcanbefar-reaching.Forexample,falseinformationabouthealthcanleadpeopletomakedangerousdecisions,suchasavoidingvaccinesorusingunproventreatments.Inthepoliticalrealm,misinformationcanmanipulatepublicopinion,influenceelectionoutcomes,andeveninciteviolence.11.______,thespreadofmisinformationcanerodetrustininstitutions,includingthemedia,government,andscientificcommunities.Addressingthechallengeofmisinformationrequiresamulti-facetedapproach.12.______,socialmediaplatformsneedtodevelopandimplementbetteralgorithmsthatprioritizeaccuracyoverengagement.Second,medialiteracyeducationshouldbe13.______tohelppeopleidentifyandevaluateinformationcritically.Third,fact-checkingorganizationsshouldcontinuetoplayavitalroleinverifyingtheaccuracyofinformationandexposingfalseclaims.14.______,individualsneedtobemoreresponsibleconsumersofinformation,takingthetimetoverifythesourcesandcross-checkinformationbeforesharingit.Onlybyworkingtogethercanwemitigatetheimpactofmisinformationandensurethatsocialmediaremainsaforceforgoodinourlives.11.(A)Moreover(B)Therefore(C)However(D)Furthermore12.(A)Firstly(B)Initially(C)Primarily(D)Firstly13.(A)implemented(B)implemented(C)implemented(D)implemented14.(A)Eventually(B)Ultimately(C)Consequently(D)EventuallyPartIIITranslationDirections:TranslatethefollowingEnglishpassageintoChinese.Therapidadvancementofartificialintelligence(AI)hassparkedaglobaldebateaboutitsethicalimplications.WhileAIhasthepotentialtorevolutionizenumerousindustries,fromhealthcaretotransportation,italsoraisesconcernsaboutjobdisplacement,privacy,andsecurity.OneofthemostpressingethicalissuesisthepotentialforAItobeusedformaliciouspurposes,suchasautonomousweaponsordeepfakesthatcanbeusedtospreadmisinformation.AnothersignificantconcernistheissueofbiasinAIalgorithms.15.______,AIsystemsaretrainedondata,andifthisdataisbiased,theAIsystemwillinevitablyinheritandevenamplifythesebiases.Thiscanleadtodiscriminatoryoutcomesinareassuchashiring,lending,andcriminaljustice.16.______,thelackoftransparencyinhowAIsystemsmakedecisionscanmakeitdifficulttoholddevelopersandusersaccountablefortheiractions.Toaddresstheseethicalchallenges,itiscrucialtodevelopandimplementethicalguidelinesforAIdevelopmentanddeployment.17.______,theseguidelinesshouldprioritizehumanwell-being,fairness,andaccountability.18.______,ongoingresearchandcollaborationamongstakeholdersarenecessarytoensurethatAIisdevelopedandusedinaresponsibleandethicalmanner.OnlybyproactivelyaddressingtheseethicalconcernscanweharnessthefullpotentialofAIwhileminimizingitsrisks.15.(A)Forinstance(B)Forexample(C)Infact(D)Inparticular16.(A)Additionally(B)Moreover(C)Furthermore(D)Additionally17.(A)Therefore(B)Consequently(C)Thus(D)Thus18.(A)Eventually(B)Ultimately(C)Consequently(D)Eventually试卷答案PartICloze1.C解析：空格处需要一个动词，与名词"feats"搭配。选项中，accomplishfeats(完成伟业)符合语境，意为大脑能够完成惊人的伟业。achieve,perform,execute虽然也可以与feats搭配，但accomplish更强调成功完成，与"remarkableorgan"形成呼应。2.B解析：空格处需要一个动词，与名词"everything"搭配。选项中，manageeverything(管理一切)符合语境，意为大脑能够处理从简单任务到复杂问题的一切事情。handle,undertake,engage通常不与everything搭配。3.A解析：空格处需要一个连接副词，连接前后句。前句提到大脑的适应性，后句提到这种适应性不是无限的。Thus(因此)符合语境，表示因果关系。4.B解析：空格处需要一个形容词，修饰名词"brain"。选项中，susceptibletoenvironmentalstimuli(易受环境影响)符合语境，意为大脑对环境刺激非常敏感。sensitive通常修饰人，responsive,reactive通常不与environmentalstimuli搭配。5.D解析：空格处需要一个动词，与名词"children"搭配。选项中，equipchildrentoacquireskills(使儿童具备获取技能的能力)符合语境，意为早期接触语言使儿童更容易获得流利的沟通技能。enable,facilitates,empowers虽然也可以用作动词，但equip更强调装备、提供能力。6.C解析：空格处需要一个动词，与名词"development"搭配。选项中，fosterthedevelopmentofskills(促进技能的发展)符合语境，意为童年时期的身体经历可以促进运动技能的发展。promote,encourage,advance通常不与development搭配。7.A解析：空格处需要一个动词，与名词"neuroplasticity"搭配。选项中，stopneuroplasticity(停止神经可塑性)与后文"braincancontinuetogeneratenewneurons"形成对比，符合语境，意为神经可塑性不会停止。8.A解析：空格处需要一个动词，与介词"to"搭配。选项中，contributetopreservingfunction(有助于保持功能)符合语境，意为终身学习、保持思维活跃和健康的生活方式都有助于保持和增强大脑功能。lead,relate,connect通常不与to搭配。9.B解析：空格处需要一个动词，与介词"to"搭配。选项中，adapttothrive(适应并茁壮成长)符合语境，意为大脑能够适应并茁壮成长。evolve,transform,modify通常不与