2025年英語四六級(jí)考試閱讀理解專項(xiàng)提升模擬試題試卷：深度解析考試時(shí)間：______分鐘總分：______分姓名：______模擬試卷PartIReadingComprehension(40points)Directions:Thereare2passagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageOneTheriseofartificialintelligence(AI)hassparkedintensedebateaboutitsimpactonthejobmarket.WhilesomeviewAIasatransformativeforcethatwillcreatenewopportunities,othersworryitwillleadtowidespreadunemployment.UnderstandingthepotentialconsequencesofAIonemploymentrequiresanuancedlookatboththechallengesandthepossibilitiesitpresents.ProponentsofAIarguethatitwillprimarilydisplacejobsthatarerepetitiveordangerous,freeinguphumanworkerstofocusonmorecreativeandcomplextasks.Forinstance,AI-drivenautomationinmanufacturingcouldeliminateassemblylinejobsbutsimultaneouslycreatedemandforengineerswhodesignandmaintainthesesystems.Additionally,AIisexpectedtogenerateentirelynewindustriesandrolesthatwehaveyettoimagine.AsAIbecomesmoreintegratedintovarioussectors,itwilllikelyfosterinnovationandproductivitygains,leadingtotheemergenceofnovelcareerpaths.However,criticsraiselegitimateconcernsaboutthescaleofjobdisplacementAImightcause.Certainjobs,particularlyinadministrativeandcustomerservicesectors,heavilyrelyonroutinetasksthatAIcanperformmoreefficientlyandcost-effectively.ThefearisthattheskillsrequiredfornewAI-relatedjobsmaybetooadvancedfordisplacedworkers,leavingthemwithoutviablealternatives.Moreover,thetransitionperiodcouldbeparticularlychallenging,asworkersmayneedsignificantretrainingandsupporttoadapttothechangingjoblandscape.Ultimately,theimpactofAIonemploymentwilldependonhowsocietyadaptstothesetechnologicalchanges.Policiesaimedatfacilitatingretrainingprograms,promotinglifelonglearning,andensuringequitableaccesstoAIbenefitswillbecrucial.WhileAImaydisruptthejobmarket,itisnotpredeterminedthatitwillleadtomassunemployment.Instead,itmaynecessitateafundamentalshiftinhowweapproachwork,education,andsocialsafetynets.Questions:1.Whatisthemainideaofthepassage?2.AccordingtoproponentsofAI,whatkindofjobsaremostlikelytobeeliminatedbyAI?3.WhatisoneconcernraisedbycriticsaboutAI'simpactonthejobmarket?4.WhatroledopoliciesplayinmitigatingthepotentialnegativeeffectsofAIonemployment?5.WhatdoestheauthorsuggestasanecessaryadaptationinresponsetoAI?PassageTwoInrecentyears,thepopularityofsocialmediahasreachedunprecedentedlevels,fundamentallyalteringhowpeoplecommunicate,consumeinformation,andperceivetheworld.Whilesocialmediaoffersnumerousbenefits,itspervasiveinfluencealsoraisessignificantconcernsaboutitsimpactonmentalhealthandsocialcohesion.Ontheonehand,socialmediaprovidesaplatformforconnectionandcommunitybuilding.Itenablesindividualstomaintainrelationshipsacrosslongdistances,accesssupportnetworks,andengagewithlike-mindedpeoplewhosharesimilarinterestsorexperiences.Formany,socialmediahasbecomeanindispensabletoolforstayinginformedaboutcurrenteventsandparticipatinginsocialandpoliticaldiscourse.Moreover,ithasopenednewavenuesforself-expressionandcreativity,allowinguserstosharetheirthoughts,talents,andperspectiveswithaglobalaudience.Ontheotherhand,excessivesocialmediausehasbeenlinkedtovariousmentalhealthissues.Studieshaveshowncorrelationsbetweenhighsocialmediaengagementandincreasedfeelingsofloneliness,anxiety,anddepression.Theconstantcomparisontoothers'curatedonlinepersonascanfosterfeelingsofinadequacyandlowself-esteem.Theaddictivenatureofsocialmediaplatforms,designedtomaximizeuserengagementthroughendlessscrollingandnotifications,canalsoleadtodisruptedsleeppatternsandreducedreal-worldinteraction.Furthermore,thespreadofmisinformationandthepolarizationofopinionsonsocialmediaplatformsposechallengestosocialcohesion.Thealgorithmiccurationofcontentoftencreatesechochambers,reinforcingexistingbeliefsandlimitingexposuretodiverseviewpoints.Thiscanexacerbatesocialdivisionsandhinderconstructivedialogue.Theriseofonlineharassmentandcyberbullyinghasalsocreatedtoxicenvironmentsthatcanhavedetrimentaleffectsonindividualsandcommunities.Balancingthebenefitsanddrawbacksofsocialmediarequiresconsciouseffortandresponsibleusage.Encouragingmedialiteracy,promotingmindfulconsumptionofsocialmedia,andfosteringonlinecommunitiesthatprioritizeempathyandinclusivityareessentialstepstowardmitigatingitsnegativeimpacts.Questions:6.Whataresomeofthebenefitsofsocialmediamentionedinthepassage?7.Accordingtothepassage,howcansocialmediausenegativelyaffectmentalhealth?8.Whatisanechochamber,andhowdoesitcontributetosocialdivision?9.Whatdoesthepassagesuggestasawaytofosterhealthiersocialmediaenvironments?10.Basedonthepassage,whatistheauthor'sviewonthefutureofsocialmedia?PartIIReadingComprehension(30points)Directions:Inthissection,youwillreadapassagewithtenblanks.EachblankisfollowedbyfourchoicesmarkedA),B),C)andD).YoushouldchoosethebestchoiceforeachblankandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Thehumanbrainisaremarkableorgan,capableoflearning,adapting,andperforminganincrediblearrayoffunctions.11)_______itscomplexity,scientistsarestillworkingtofullyunderstandhowitoperates.Oneofthemostfascinatingaspectsofthebrainisitsabilitytochangeandadaptinresponsetonewexperiences,aphenomenonknownasneuroplasticity.Neuroplasticityallowsthebraintoreorganizeitselfbyformingnewneuralconnectionsthroughoutlife.Thisabilityiscrucialforlearningnewskills,recoveringfrombraininjuries,andadaptingtochangingenvironments.Forexample,whensomeonelearnsamusicalinstrument,theareasofthebrainresponsibleformotorskillsandauditoryprocessingbecomemoreactiveandinterconnected.Similarly,individualswhohavesufferedstrokesorotherbraininjuriescansometimesregainlostfunctionsthroughrehabilitation,asthebraincanrewireitselftocompensatefordamagedareas.Themechanismsunderlyingneuroplasticityarecomplexandinvolvevariousfactors,includinggeneticpredispositions,hormonalinfluences,andenvironmentalstimuli.12)_______researchhasidentifiedspecificmoleculesandpathwaysthatplayakeyroleintheformationandstrengtheningofneuralconnections.Thesefindingshavenotonlydeepenedourunderstandingofhowthebrainworksbutalsoopenednewavenuesforpotentialtreatmentsforneurologicalandpsychiatricdisorders.Evidenceofneuroplasticityisnotlimitedtohumans;itisobservedacrosstheanimalkingdom.13)_______studiesonanimalshaveshownthatexperiencescanleadtostructuralchangesinthebrain,demonstratingthatneuroplasticityisafundamentalaspectofbrainfunction.Forinstance,studiesonbirdshaverevealedthatlearningnewsongscanalterthestructureofbrainregionsinvolvedinvocalization.Theimplicationsofneuroplasticityarefar-reaching.14)_______ithighlightsthebrain'sremarkablecapacityforrecoveryandadaptation,italsounderscorestheimportanceofcontinuouslearningandmentalstimulationthroughoutlife.Engaginginactivitiesthatchallengethebrain,suchaslearninganewlanguage,playingmusicalinstruments,orsolvingpuzzles,canhelppromoteneuroplasticityandmaintaincognitivehealth.However,thebrain'scapacityforchangeisnotunlimited.15)_______thebrainishighlyadaptable,italsohasinherentlimitationsbasedonfactorssuchasage,overallhealth,andtheseverityoftheinitialdamage.Understandingtheselimitationsiscrucialfordevelopingeffectiveinterventionsandtherapiesthatleverageneuroplasticitytoitsfullestpotential.Optionsforeachblank:11.A)Despite12.B)Recent13.C)Numerous14.D)Moreover15.E)Although---試卷答案PartIReadingComprehension1.B2.C3.D4.A5.EPassageOne解析思路1.B:ThemainidearevolvesaroundthedualnatureofAI'simpactonemployment–potentialjobdisplacementalongsidethecreationofnewopportunities,requiringsocietaladaptation.OptionBbestcapturesthisbalance(e.g.,"AIwilltransformthejobmarket,creatingbothchallengesandopportunitiesrequiringadaptation").2.C:ProponentssuggestAIeliminatesrepetitiveanddangerousjobs.OptionCalignswiththisview(e.g.,"repetitiveordangeroustasks").3.D:CriticsworryaboutwidespreadunemploymentduetothedifficultyfordisplacedworkerstoadapttonewAI-relatedjobs.OptionDreflectsthisconcern(e.g.,"displacedworkersmaystruggletoadapt").4.A:Policiesarecrucialforretraining,lifelonglearning,andequitableaccess.OptionAhighlightsthesepolicyrolesinmitigation(e.g.,"policiesaimedatretrainingandsupport").5.E:Theauthorsuggestsadaptingapproachestowork,education,andsocialsafetynets.OptionEcorrespondstothisnecessaryadaptation(e.g.,"afundamentalshiftinhowweapproachwork,education,andsocialsafetynets").PassageTwo解析思路6.B:Benefitsincludeconnection,communitybuilding,informationaccess,andself-expression.OptionBsummarizesthesepositiveaspects(e.g.,"providesaplatformforconnectionandinformationaccess").7.D:Negativeeffectsincludeincreasedloneliness,anxiety,depression,andlowself-esteemduetocomparisonandaddiction.OptionDcapturesthesementalhealthimpacts(e.g.,"correlationsbetweenhighsocialmediaengagementandincreasedfeelingsoflonelinessandanxiety").8.C:Anechochamberisanenvironmentreinforcingexistingbeliefsandlimitingdiverseviews,contributingtodivision.OptionCdefinesandexplainsitsroleinsocialdivision(e.g.,"algorithmiccurationcreatingechochambersthatexacerbatesocialdivisions").9.A:Fosteringempatheticandinclusiveonlinecommunitiesissuggested.OptionAoutlinesthisapproachtohealthierenvironments(e.g.,"promotingonlinecommunitiesthatprioritizeempathyandinclusivity").10.E:Theauthorviewsthefutureasinvolvingabalancewherebenefitsareharnessedwhilenegativeimpactsaremitigat