2025年英语四六级考试专项训练试卷：下半学期备考策略

2025年英语四六级考试专项训练试卷：下半学期备考策略考试时间：______分钟总分：______分姓名：______第一部分听力理解directions:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA),B),C)andD),anddecidewhichisthebestanswer.1.M:Hi,Nancy.Iheardyougotapart-timejobatthelibrary.Howdoyoulikeitsofar?W:It'squiteinteresting.Igettoreadalotofbooks,andthehoursareflexible.IcanevenworklateifIhaveexams.Q:Whatdoesthewomansayaboutherjob?2.W:Excuseme,couldyoutellmewherethepostofficeis?M:Sure.It'sonthecornerofFifthAvenueandMainStreet.Youcan'tmissit.Turnleftatthetrafficlight,anditwillberightacrossthestreetintwoblocks.Q:Whatisthemandoing?3.M:Ithinkit'sgoingtorainlatertoday.Haveyouseentheweatherforecast?W:Yes,Ihave.Itsaysthere'sa70%chanceofrainthisafternoon.Maybeweshouldtakeanumbrellaifwegoout.Q:Whatarethespeakersdiscussing?4.W:DidyoufinishreadingthebookIlentyoulastweek?M:Notyet.I'mstillonChapterthree.It'sreallyengaging,though.Ican'tputitdown.Q:Whatdoesthemanthinkofthebook?5.M:I'mtryingtodecidewhattoorderfordinner.Doyouhaveanysuggestions?W:Howaboutthegrilledsalmon?It'sfresh,andthechefspeciallyrecommendsittonight.Q:Whatisthemandoing?6.W:I'msotiredofstudyingforthisexam.IthinkI'mgoingtodropthecourse.M:Areyousure?It'snoteasytodropacourseonceyou'vestarted.Whatifyoutrytalkingtotheprofessor?Maybetheycanhelpyoucatchup.Q:Whatdoesthemansuggestthewomando?7.M:I'vebeenworkingonthisprojectforweeks,andI'mstillnotfinished.Idon'tknowhowI'mgoingtogetitdoneontime.W:Haveyouconsideredaskingforhelp?Youcouldaskyourclassmatesormaybetheteachingassistant.Maybeifyoudividethework,itwon'tseemsooverwhelming.Q:Whatistheproblemthemanisfacing?8.W:Thatwasagreatconcertlastnight!Thebandplayedallmyfavoritesongs.M:Iagree.Theirperformancewasamazing.Didyouseethemplay"MidnightBlues"?Q:Whatarethespeakersmainlytalkingabout?directions:Inthissection,youwillheara2-minutepassage.Attheendofthepassage,youwillhearthreequestions.Boththepassageandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarkedA),B),C)andD),anddecidewhichisthebestanswer.9.Theriseofsocialmediahasfundamentallychangedthewaywecommunicateandinteractwitheachother.Whileithasbroughtmanybenefits,suchastheabilitytostayconnectedwithfriendsandfamilynomatterwheretheyareintheworld,ithasalsopresentedsomechallenges.Oneofthebiggestchallengesisthespreadofmisinformation.Falseinformationcanspreadrapidlyonsocialmediaplatforms,oftenfasterthanthetruth,makingitdifficulttodiscernwhatisrealandwhatisnot.Thiscanhaveseriousconsequences,especiallyintimesofcrisiswhenpeopleneedaccurateinformationtomakeinformeddecisions.Anotherchallengeistheissueofcyberbullying.Theanonymityprovidedbysocialmediacanemboldensomepeopletosaythingstheywouldneversayface-to-face.Thiscanleadtodevastatingeffectsonthementalhealthofthosebeingbullied.Finally,socialmediacanbeaddictive.Spendingtoomuchtimeontheseplatformscanleadtoalackofproductivity,poorsleephabits,andevensocialisolationintherealworld.Q:Whatisthemaintopicofthepassage?10.Thepassagementionsseveralnegativeaspectsofsocialmedia.WhichofthefollowingisNOTmentionedasachallenge?A)Thespreadofmisinformation.B)Thelossofprivacy.C)Theproblemofcyberbullying.D)Thepotentialforaddiction.11.Accordingtothepassage,whatcanbeaconsequenceofthespreadoffalseinformationonsocialmedia?A)Itcanmakepeoplemoreinformed.B)Itcanleadtosocialisolation.C)Itcanbedifficulttodiscernthetruth.D)Itcanimprovementalhealth.第二部分阅读理解directions:Inthissection,youwillreadapassagewithtenblanks.Eachblankismarkedwithanumber.Foreachblank,therearefourchoicesmarkedA),B),C)andD).Youshouldchoosethebestchoicetofillintheblank,makingthepassagemostcoherentandlogical.Thehumanbrainisaremarkableorgan,responsibleforcountlesscomplexfunctionsthatallowustoperceivetheworldaroundusandinteractwithit.Oneofthemostfascinatingaspectsofthebrainisitsabilitytoadaptandchangeinresponsetonewexperiences.Thisphenomenon,knownasneuroplasticity,allowsthebraintoformnewconnectionsbetweenneuronsandstrengthenexistingonesbasedontheactivitiesweengagein.Forexample,whenwelearnanewskill,suchasplayingamusicalinstrumentorspeakinganewlanguage,thebrainregionsresponsibleforthosetasksbecomemoreactiveanddevelopnewconnections.Thisprocesscanbeginatanyage,highlightingthebrain'sincrediblepotentialforlifelonglearning.Neuroplasticityalsoplaysacrucialroleinmemoryformationandstorage.Whenweexperiencesomethingnew,ourbrainencodestheinformationintoneuralsignalsthataretransmittedthroughoutthebrain.Thesesignalsarethenstoredinvariouspartsofthebrain,dependingonthetypeofinformation.Forinstance,visualmemoriesareoftenstoredintheoccipitallobe,whilememoriesrelatedtoemotionsarestoredintheamygdala.Theprocessofmemoryformationiscomplexandinvolvestheinteractionofmanydifferentbrainregions.However,neuroplasticityisnotwithoutitslimitations.Thebrain'sabilitytoadaptcanbeinfluencedbyfactorssuchasage,health,andlifestyle.Forexample,olderadultsmayfinditmoredifficulttolearnnewskillsthanyoungeradults.Thisisbecausetherateofneuroplasticitytendstoslowdownwithage.Additionally,certainhealthconditions,suchasstrokeortraumaticbraininjury,canimpairthebrain'sabilitytoadaptandrecover.Therefore,itisimportanttomaintainahealthylifestyletosupportneuroplasticitythroughoutourlives.Fortunately,thereareseveralthingswecandotomaximizeourbrain'sneuroplasticpotential.Oneofthemosteffectivewaysistoengageinregularphysicalexercise.Exerciseincreasesbloodflowtothebrain,providingitwithmoreoxygenandnutrients.Thiscanhelptoimprovecognitivefunctionandenhanceneuroplasticity.Anotherimportantfactorismentalstimulation.Activitiessuchaspuzzles,reading,andlearningnewskillscanhelptokeepthebrainactiveandpromotetheformationofnewneuralconnections.Finally,gettingenoughsleepisessentialforbrainhealth.Duringsleep,thebrainconsolidatesmemoriesandrepairsitself,preparingforthenextday.Inconclusion,neuroplasticityisaremarkableprocessthatallowsthebraintoadaptandchangethroughoutourlives.Byunderstandinghowitworksandimplementingstrategiestosupportit,wecanmaximizeourbrain'spotentialandenjoyahealthier,morefulfillinglife.1.Accordingtothepassage,whatisneuroplasticity?A)Thebrain'sabilitytoprocessinformation.B)Thebrain'sabilitytoformnewconnections.C)Thebrain'sabilitytostorememories.D)Thebrain'sabilitytorepairitself.2.Whathappenstothebrainregionsresponsibleforlearninganewskill?A)Theybecomelessactive.B)Theydevelopnewconnections.C)Theyshrinkinsize.D)Theyaredamaged.3.Wherearevisualmemoriestypicallystoredinthebrain?A)Theprefrontalcortex.B)Thetemporallobe.C)Theoccipitallobe.D)Theamygdala.4.Whymightolderadultsfinditmoredifficulttolearnnewskills?A)Theirbrainsarelesscapableofneuroplasticity.B)Theyhavelesstimetopractice.C)Theyarelessmotivatedtolearn.D)Theyhavemoredistractions.5.Whatisonewaytoimprovecognitivefunctionandenhanceneuroplasticity?A)Eatingahealthydiet.B)Engaginginregularphysicalexercise.C)Reducingstresslevels.D)Spendingtimeinnature.6.Whathappensduringsleepthatisessentialforbrainhealth?A)Thebrainshutsdowncompletely.B)Thebraineliminatestoxins.C)Thebrainconsolidatesmemories.D)Thebrainbuildsnewneurons.7.Accordingtothepassage,whatisakeyfactorinsupportingneuroplasticity?A)遗传因素B)Mentalstimulation.C)Socialinteraction.D)Financialstatus.8.Whatisthemainideaofthepassage?A)Thebrainisacomplexorganthatcanadaptandchange.B)Neuroplasticityisonlyimportantforchildren.C)Thereisnothingwecandotoimproveourbrainhealth.D)Exerciseandsleeparetheonlywaystosupportneuroplasticity.9.Theword"phenomenon"inthefirstparagraphisclosestinmeaningto:A)AbilityB)ProcessC)ProblemD)Benefit10.Theword"consolidate"inthelastparagraphisclosestinmeaningto:A)ForgetB)OrganizeC)DestroyD)Createdirections:Inthissection,youwillreadthreepassages.Eachpassageisfollowedbysomequestions.Youshouldchoosethebestanswer(A),(B),(C)or(D)toeachquestion.Passage1Theimpactofclimatechangeonagricultureisagrowingconcernworldwide.Risingglobaltemperatures,changingprecipitationpatterns,andincreasedfrequencyofextremeweathereventsareallposingsignificantchallengestofoodproduction.Cropsarebeingaffectedbyheatstress,drought,andflooding,leadingtoreducedyieldsandincreasedvulnerabilitytopestsanddiseases.Farmersarestrugglingtoadapttothesechangingconditions,andinsomecases,entireagriculturalsystemsareatriskofcollapse.Oneofthemostvulnerableregionsissub-SaharanAfrica,wheremanycommunitiesrelyheavilyonagriculturefortheirlivelihoods.Here,climatechangeisexacerbatingexistingfoodinsecurity,leadingtomalnutritionandincreasedpoverty.Thesituationisfurthercomplicatedbythelackofresourcesandinfrastructureneededtoimplementeffectiveadaptationstrategies.Withouturgentaction,theconsequencesforbothagricultureandruralcommunitiesinthisregioncouldbedevastating.However,therearealsoopportunitiesforinnovationandresiliencewithintheagriculturalsector.Newtechnologies,suchasdrought-resistantcropsandprecisionagriculture,arebeingdevelopedtohelpfarmersadapttochangingconditions.Additionally,sustainablefarmingpractices,suchasagroforestryandconservationagriculture,canhelptoimprovesoilhealth,enhancewatermanagement,andincreasecropyields.Theseapproachesofferhopeforamoresustainableandresilientagriculturalfuture.11.Whatisthemaintopicofthepassage?A)Thebenefitsofmodernagriculture.B)Theimpactofclimatechangeonagriculture.C)Theroleoftechnologyinsolvingfoodinsecurity.D)Theimportanceofsustainablefarmingpractices.12.Whichregionisdescribedasbeingparticularlyvulnerabletotheeffectsofclimatechangeonagriculture?A)NorthAmericaB)SouthAmericaC)Sub-SaharanAfricaD)EastAsia13.Whataresomeofthechallengesfacedbyfarmersduetoclimatechange?A)Increasedrainfallandlowertemperatures.B)Reducedyieldsandincreasedvulnerabilitytopests.C)Improvedsoilqualityandhighercropyields.D)Greateraccesstoresourcesandtechnology.14.Theword"exacerbating"inthesecondparagraphisclosestinmeaningto:A)WorseningB)MitigatingC)IgnoringD)Addressing15.Whatsolutionsareproposedinthepassagetohelpfarmersadapttoclimatechange?A)Increasingtheuseofchemicalfertilizers.B)Developingdrought-resistantcropsandsustainablefarmingpractices.C)Reducingtherelianceonagricultureforlivelihoods.D)Relyingsolelyongovernmentassistance.Passage2Theriseofartificialintelligence(AI)hassparkedaglobalconversationaboutitspotentialbenefitsandrisks.AIhasthepotentialtorevolutionizemanyindustries,fromhealthcareandtransportationtofinanceandentertainment.Itcanautomatetasks,improveefficiency,andprovidevaluableinsightsthroughdataanalysis.However,therearealsoconcernsabouttheimpactofAIonjobs,privacy,andethicalconsiderations.OneofthemostsignificantbenefitsofAIisitsabilitytoimprovehealthcareoutcomes.AI-powereddiagnostictoolscananalyzemedicalimagesandhelpdoctorsdetectdiseasesatearlierstages,leadingtomoreeffectivetreatments.AIcanalsobeusedtodeveloppersonalizedmedicine,tailoringtreatmentstoindividualpatientsbasedontheirgeneticmakeup.Theseadvancementshavethepotentialtosavelivesandimprovethequalityoflifeformanypeople.Despitethesebenefits,therearealsoconcernsaboutthepotentialdisplacementofjobsduetoautomation.ManyroutinetasksthatarecurrentlyperformedbyhumanscouldbeautomatedbyAI,leadingtojoblossesincertainsectors.Thiscouldexacerbatesocialinequalityandcreateeconomichardshipformanypeople.Additionally,thereareconcernsaboutthepotentialmisuseofAI,suchasinthedevelopmentofautonomousweaponsorthemanipulationofinformation.16.Whatisthemaintopicofthepassage?A)Thehistoryofartificialintelligence.B)Thebenefitsandrisksofartificialintelligence.C)ThedevelopmentofAIinhealthcare.D)TheimpactofAIonjobmarkets.17.WhataresomeofthepotentialbenefitsofAI?A)Increasedjoblossesandsocialinequality.B)Automationoftasksandimprovedefficiency.C)Reducedhealthcarecostsandshorterhospitalstays.D)Limiteddataanalysisandfewerinsights.18.HowcouldAIbeusedtoimprovehealthcareoutcomes?A)ByreplacinghumandoctorswithAI.B)Byautomatingpatientcaretasks.C)Bydevelopingpersonalizedmedicine.D)Byreducingtheneedformedicalresearch.19.Theword"exacerbate"inthethirdparagraphisclosestinmeaningto:A)ImproveB)WorsenC)CreateD)Solve20.WhataresomeoftheethicalconcernsassociatedwithAI?A)Itspotentialtoimprovehealthcare.B)Itspotentialtoautomatetasks.C)Itspotentialtobemisused.D)Itspotentialtobeunderdeveloped.Passage3Theroleofeducationinfosteringsocialmobilityhasbeenatopicofdebateformanyyears.Traditionalviewsholdthateducationisthegreatequalizer,providingindividualswiththeskillsandknowledgetheyneedtoimprovetheireconomicandsocialstanding.However,theincreasingcostofeducationandthegrowinggapbetweentherichandthepoorhaveraisedquestionsaboutitseffectivenessinpromotingsocialmobility.Inmanycountries,thehighcostoftuitionfeesandtheburdenofstudentdebthavemadehighereducationaccessibleonlytothosefromprivilegedbackgrounds.Thishascreatedasystemwheresocialstatusisoftendeterminedbyfamilywealthratherthanindividualmerit.Asaresult,individualsfromdisadvantagedbackgroundsmayfinditdifficulttobreakintohighersocialstrata,eveniftheyarehighlyeducated.However,educationcanstillplayacrucialroleinfosteringsocialmobility,eveninthefaceofthesechallenges.Byprovidingaccesstoqualityeducationandtrainingprograms,governmentscanhelptoequipindividualswiththeskillstheyneedtosucceedintheworkforce.Additionally,focusingonearlychildhoodeducationandinvestinginschoolsindisadvantagedcommunitiescanhelptoleveltheplayingfieldandprovidemoreopportunitiesforupwardmobility.21.Whatisthemaintopicofthepassage?A)Thehighcostofeducation.B)Theroleofeducationinfosteringsocialmobility.C)Theimportanceofearlychildhoodeducation.D)Therelationshipbetweenfamilywealthandsocialstatus.22.Whataresomeofthechallengesfacedbyindividualsfromdisadvantagedbackgroundsintermsofaccessinghighereducation?A)Theyhavetoomuchfreetime.B)Theylackthenecessaryskillsandknowledge.C)Thehighcostoftuitionfeesandstudentdebt.D)Theydonotvalueeducation.23.Howcangovernmentshelptopromotesocialmobilitythrougheducation?A)Byincreasingtuitionfees.B)Byprovidingaccesstoqualityeducationandtrainingprograms.C)Byfocusingoneliteuniversitiesonly.D)Byreducingthenumberofstudentsattendingcollege.24.Theword"strata"inthesecondparagraphisclosestinmeaningto:A)LevelsB)GroupsC)CommunitiesD)Families25.Whatisthemainmessageofthepassage?A)Educationisnolongerimportantinpromotingsocialmobility.B)Onlyasmallnumberofpeoplecanbenefitfromeducation.C)Educationcanstillplayacrucialroleinfosteringsocialmobility.D)Governmentsshouldfocusonotherissuesbesideseducation.第三部分写作directions:Writeanessayof120-180wordsbasedonthefollowingtopic.Manypeoplebelievethatsocialmediaplatformshaveanegativeimpactonyoungpeople'smentalhealth.Doyouagreeordisagreewiththisstatement?Providereasonsandexamplestosupportyourview.第四部分翻译directions:TranslatethefollowingpassageintoEnglishinnolessthan80words.随着科技的飞速发展，人工智能已经逐渐渗透到我们生活的方方面面。从智能手机上的语音助手到自动驾驶汽车，AI技术正在改变着我们的生活方式和工作方式。然而，人工智能的快速发展也带来了一些挑战和问题。例如，如何确保AI系统的安全性和可靠性？如何防止AI技术被滥用？如何平衡AI发展与人类价值观之间的关系？这些都是我们需要认真思考和解决的问题。只有通过合作和创新，我们才能确保AI技术造福人类，而不是带来危害。试卷答案第一部分听力理解1.B解析：女士提到她喜欢这份工作是因为“我可以读很多书”，表明她对阅读感兴趣，这与选项B“她喜欢阅读”相符。2.C解析：男士告诉女士邮局的位置，并提供了具体的路线指示，表明他正在给她指路，这与选项C“他在给某人指路”相符。3.A解析：男士和女士都在谈论天气情况以及是否下雨，这与选项A“他们正在讨论天气”相符。4.B解析：男士提到这本书“很有趣”，并且“我舍不得放下”，表明他认为这本书很有吸引力，这与选项B“他认为书很有趣”相符。5.A解析：男士问女士“你想点什么晚饭”，表明他正在决定吃什么，这与选项A“他正在决定点菜”相符。6.D解析：男士建议女士和教授谈谈，也许教授能帮助她赶上进度，这与选项D“建议她找教授帮忙”相符。7.B解析：男士提到他一直在做这个项目，但仍然没有完成，不知道如何按时完成，这与选项B“他面临无法按时完成项目的困难”相符。8.A解析：男士和女士都在谈论昨晚的演唱会，女士说很棒，男士也表示同意，并提到了具体的歌曲，这与选项A“他们在主要谈论演唱会”相符。9.A解析：文章主要讲述了社交媒体的兴起及其带来的变化，强调了大脑如何适应和改变，这与选项A“大脑是一个复杂的器官，可以适应和改变”相符。10.B解析：文章提到了社交媒体的负面影响，如虚假信息的传播、网络欺凌和成瘾性，但没有提到隐私问题，这与选项B“隐私的丧失”不符。11.C解析：文章提到虚假信息会导致难以辨别真伪，这与选项C“难以分辨真伪”相符。12.B解析：文章提到学习新技能时，负责这些任务的脑区会变得更加活跃并形成新的连接，这与选项B“它们发展了新的连接”相符。13.B解析：文章提到气候变化导致作物减产并增加了对害虫的脆弱性，这与选项B“减产并增加了对害虫的脆弱性”相符。14.A解析：文章提到气候变化加剧了撒哈拉以南非洲的食物不安全状况，这里的“exacerbating”意为“使恶化”，与选项A“恶化”意思相近。15.B解析：文章提出了开发抗旱作物和可持续农业实践等解决方案，这与选项B“开发抗旱作物和可持续农业实践”相符。16.B解析：文章主要讨论了人工智能的益处和风险，这与选项B“人工智能的益处和风险”相符。17.B解析：文章提到人工智能可以自动化任务并提高效率，这与选项B“自动化任务和提高效率”相符。18.C解析：文章提到人工智能可以用于开发个性化医疗，根据患者的基因组合定制治疗方案，这与选项C“开发个性化医疗”相符。19.B解析：文章提到自动化可能导致某些行业的工作损失加剧社会不平等，这里的“exacerbate”意为“使恶化”，与选项B“恶化”意思相近。20.C解析：文章提到人工智能可能被滥用，例如开发自主武器或操纵信息，这与选项C“可能被滥用”相符。21.B解析：文章主要讨论了教育在促进社会流动中的作用，这与选项B“教育在促进社会流动中的作用”相符。22.C解析：文章提到高等教育的学费和学生债务对弱势背景的人来说是一个障碍，这与选项C“高额学费和学生债务”相符。23.B解析：文章提到政府可以通过提供优质教育和培训项目来帮助人们获得成功所需的技能，这与选项B“提供优质教育和培训项目”相符。24.A解析：文章提到社会地位往往由家庭财富决定，而不是个人成就，这里的“strata”意为“阶层”，与选项A“阶层”意思相近。25.C解析：文章主要信息是尽管存在挑战，教育仍然可以在促进社会流动中发挥关键作用，这与选项C“教育仍然可以在促进社会流动中发挥关键作用”相符。第三部分写作(以下提供一个写作范文及解析思路，由于题目开放式，答案不唯一)范文：Manypeopleareconcernedthatsocialmediaplatformshaveanegativeimpactonyoungpeople'smentalhe