山东潍坊市2026年上半年全国英语等级考试（PETS）复习试题及答案高分策略(全新版)第五级

山东潍坊市2026年上半年全国英语等级考试（PETS）复习试题及答案高分策略(全新版)第五级SectionI:ListeningComprehension【题型：单选题】Directions:ThissectionisdesignedtotestyourabilitytounderstandspokenEnglish.Youwillhearaselectionofrecordedmaterialsandyoumustanswerthequestionsthataccompanythem.ChoosethebestanswerfromthefourchoicesA,B,C,andD.Questions1to5arebasedonaconversationbetweenauniversityprofessorandastudent.1.Whatisthemainpurposeofthestudent'svisittotheprofessor'soffice?A.Toaskforanextensiononthefinalresearchpaper.B.Todiscussthetheoreticalframeworkofherdissertation.C.Torequestaletterofrecommendationforascholarship.D.Toclarifysomeconfusingconceptsfromthelastlecture.2.Accordingtotheprofessor,whyisthestudent'sinitialhypothesisflawed?A.Itreliestooheavilyonoutdatedempiricaldatafromthe1990s.B.Itfailstoaccountfortheconfoundingvariablesinthecontrolgroup.C.Itlackssufficientquantitativeevidencetosupportthecorrelation.D.Itmisinterpretsthecoredefinitionofcognitivedissonance.3.Whatdoestheprofessorsuggestthestudentdobeforesubmittingthenextdraft?A.Conductalongitudinalstudywithalargersamplesize.B.Interviewatleasttwentyexpertsinthefieldofbehavioralpsychology.C.Narrowthescopeofherresearchtoaspecificdemographic.D.Reviewthemethodologysectionoftheclassic2018studybySmithetal.4.Howdoesthestudentplantogathertherequireddata?A.Bydistributingonlinesurveysthroughuniversityalumninetworks.B.Byutilizingtheuniversity'sstate-of-the-arteye-trackinglaboratory.C.Bypartneringwithalocalclinictoaccessanonymizedpatientrecords.D.Bymanuallyobservingsubjectinteractionsinthecampuscafeteria.5.Whatistheprofessor'sfinalattitudetowardsthestudent'srevisedapproach?A.Heisentirelyskepticalandsuggestsshechangehertopiccompletely.B.Heiscautiouslyoptimisticbutdemandsrigorousvalidationofthedata.C.Heishighlyenthusiasticandofferstoco-authortheresultingpaper.D.Heisindifferentandremindsheroftheimpendingdeadline.Questions6to10arebasedonamonologueaboutthehistoryofurbanplanning.6.Accordingtothespeaker,whatwastheprimaryflawofthe"GardenCity"movementproposedbyEbenezerHoward?A.Itfailedtoprovidesufficientemploymentopportunitiesforitsresidents.B.Itconsumedexcessiveagriculturallandontheoutskirtsofmajormetropolises.C.Itunderestimatedthepsychologicalneedforhigh-densitysocialinteraction.D.Itwasfinanciallyunviablewithoutmassivegovernmentsubsidies.7.WhydoesthespeakermentionthecityofBrasilia?A.Toillustratethesuccessofmodernist,high-densityverticalliving.B.Tohighlightthefailureofdesigningacitysolelyforautomobiletraffic.C.Todemonstratehowrapidurbanizationcanleadtoinfrastructuralcollapse.D.Toexemplifytheintegrationofgreenspaceswithincommercialdistricts.8.Whatdoestheterm"transit-orienteddevelopment"refertointhecontextofthelecture?A.Buildingluxuriousresidentialcomplexesnearhistorictransitstations.B.Creatingmixed-usecommunitiescenteredaroundpublictransportationhubs.C.Replacingoldrailwaylineswithpedestrian-onlywalkingandcyclingpaths.D.Privatizingpublicbusnetworkstoimproveoperationalefficiency.9.Whatisthespeaker'soverallstanceonthefutureofurbanplanning?A.Citiesmuststrictlylimitpopulationgrowthtomaintainsustainability.B.Technologicalinnovationalonecannotsolvethedeep-rootedurbancrisis.C.Aholisticapproachbalancingecology,economy,andsocialequityisrequired.D.Therelocationofindustrialzonestoruralareasistheonlyviablesolution.10.Whichofthefollowingbestdescribesthetoneofthelecture?A.Cynicalandpessimistic.B.Analyticalandobjective.C.Passionateandpersuasive.D.Defensiveandapologetic.【题型：填空题】Directions:Youwillhearashortacademiclecture.Fillinthemissingwordsorphrasesintheblanksbelow.Writenomorethanthreewordsforeachblank.Thephenomenonknownasurbanheatisland(UHI)effectoccurswhenacityexperiencessignificantlyhighertemperaturesthanitssurroundingruralareas.Thisisprimarilycausedbythe11.________ofvegetation,whichwouldotherwiseprovidecoolingthroughevapotranspiration.Additionally,theprevalenceofdarksurfaces,suchasasphaltroadsandtarroofs,resultsinalow12.________,meaningtheyabsorbavastamountofsolarradiationratherthanreflectingit.Tomitigatethiseffect,modernurbanplannersadvocatefortheinstallationof13.________,whicharerooftopspartiallyorcompletelycoveredwithvegetation.Furthermore,utilizingmaterialswithhighalbedoforpavementscansignificantlyreducethesurfacetemperature.Theimplementationofthesestrategiesnotonlylowersambienttemperaturesbutalsodecreasestherelianceon14.________systems,therebyreducinggreenhousegasemissions.However,theeconomiccostofretrofittingexistinginfrastructureremainsasignificantbarrier,oftenrequiring15.________betweenmunicipalgovernmentsandprivatedevelopers.SectionII:UseofEnglish(ClozeTest)【题型：填空题】Directions:Readthefollowingtext.Choosethebestwordorphraseforeachnumberedblankfromtheoptionsprovided.Writeyouranswersclearly.Theadventofartificialintelligencehasprecipitatedaparadigmshiftinvarioussectors,fromhealthcaretofinance.However,the16.________ofAIsystems,particularlydeeplearningneuralnetworks,hasraisedprofoundethicalandphilosophicalquestions.Oneofthemost17.________issuesisthe"blackbox"problem:theinabilityofhumanstocomprehendtheinternaldecision-makingprocessesofthesehighlycomplexalgorithms.WhenanAImodeldeniesaloanapplicationormisdiagnosesapatient,thelackofan18.________explanationunderminesaccountabilityandtrust.Inthemedicaldomain,AI'spotentialisundeniable.Algorithmscannowdetect19.________inradiologicalimagesthatareimperceptibletothehumaneye.Yet,theintegrationofsuchtechnologyintoclinicalpracticerequiresa20.________shiftinthemedicalprofession'sculture.Doctorsaretrainedtorelyonempiricalevidenceandtheirownclinicaljudgment.Relegatinglife-alteringdecisionstoamachine,whoselogictheycannotfully21.________,requiresaleapoffaiththatmanyareunwillingtotake.Toaddresstheseconcerns,researchersaredevelopingtechniquesforExplainableAI(XAI).XAIaimstomaketheoutputsofAIsystemsmore22.________tohumanunderstandingwithoutsacrificingtheirpredictiveaccuracy.Thisisoftenachievedthrough23.________algorithmsthatsimplifythecomplexneuralpathways,providingasurrogatemodelthathumanscaneasilyinterpret.Forinstance,ifanAIflagsatumorasmalignant,anXAIsystemmightgenerateaheatmaphighlightingthespecificregionsoftheimagethatledtothatconclusion.Despitetheseadvancements,afundamental24.________remains.Thereisoftenaninherenttrade-offbetweentheaccuracyofamodelanditsexplainability.Themostaccuratemodels,suchasdeepneuralnetworkswithmillionsofparameters,areinherentlyopaque,whilesimpler,moretransparentmodelslikedecisiontreestendtobelessaccurateinhandling25.________datasets.ResolvingthisdichotomywillbethedefiningchallengeofAIresearchinthecomingdecade.16.A.proliferationB.eradicationC.stagnationD.manipulation17.A.trivialB.contentiousC.invisibleD.redundant18.A.ambiguousB.erroneousC.explicitD.implicit19.A.anomaliesB.symptomsC.fracturesD.maladies20.A.superficialB.structuralC.culturalD.trivial21.A.articulateB.disputeC.decipherD.manipulate22.A.accessibleB.opaqueC.formidableD.confidential23.A.complicatingB.approximatingC.obscuringD.isolating24.A.consensusB.paradoxC.agreementD.synergy25.A.homogeneousB.simplisticC.multidimensionalD.linearSectionIII:ReadingComprehension【题型：单选题】Directions:Readthefollowingfourtexts.AnswerthequestionsbeloweachtextbychoosingA,B,C,orD.Text1Theconceptofecologicalsuccession,firstformalizedbyHenryChandlerCowlesinthelate19thcentury,describestheprocessbywhichthestructureofabiologicalcommunityevolvesovertime.Primarysuccessionoccursinessentiallylifelessareas—regionsinwhichthesoilisincapableofsustaininglifeasaresultofsuchfactorsaslavaflows,newlyformedsanddunes,orrocksleftexposedbyaretreatingglacier.Becausethesoilmustbeformedfromscratchthroughtheweatheringofrockandtheaccumulationoforganicmatterfrompioneerspecies,primarysuccessionisanexceedinglyslowprocess,oftentakingmillennia.Secondarysuccession,incontrast,occursinareaswhereabiologicalcommunityhasalreadyexistedbutsomeorallofthatcommunityhasbeenremovedbyadisturbance,suchasaforestfire,ahurricane,orhumanagriculturalactivity.Unlikeprimarysuccession,secondarysuccessionoccursinareaswherethesoilisalreadyformedandcontainsaviableseedbank.Consequently,therecoveryoftheecosystemissignificantlyfaster,typicallyunfoldingoverdecadesratherthancenturies.Themathematicalmodelingoftheseecologicaldynamicshasrevealedfascinatingparallelswithothercomplexsystems.Considerthepopulationdynamicsofapioneerspecies,suchasalichenorahardygrass,colonizingabarrenrocksurface.IfP(t)representsthepopulationsizeattimet,andassumingtherateofpopulationgrowthisproportionaltothecurrentpopulationbutconstrainedbyacarryingcapacityKduetolimitedresources,thegrowthcanbemodeledbythelogisticequation:=rP(1−)Thismathematicalframeworkallowsecologiststopredictthetimelineofprimarysuccessionwithgreateraccuracy.BycalculatingtheintrinsicgrowthraterofspecificpioneerspeciesinlaboratorysettingsandestimatingthecarryingcapacityKofagivenbarrenenvironment,modelscanbeconstructedtosimulatethedecades-longaccumulationofbiomassrequiredtobreakdownrockintosoil.Suchpredictivecapabilitiesareincreasinglyvitalinoureraofrapidclimatechange,whereunderstandingtheregenerativecapacityofdamagedecosystemsisessentialforconservationplanning.26.Accordingtothepassage,whatistheprimarydifferencebetweenprimaryandsecondarysuccession?A.Primarysuccessionoccursafternaturaldisasters,whilesecondarysuccessionhappensafterhumaninterference.B.Primarysuccessionrequirestheinitialformationofsoil,makingitaslowerprocessthansecondarysuccession.C.Secondarysuccessionreliesonpioneerspecies,whereasprimarysuccessionutilizesanexistingseedbank.D.Primarysuccessionhappensinareaswithhighcarryingcapacity,whilesecondarysuccessionoccursinbarrenareas.27.Basedonthelogisticequationprovidedinthetext,underwhatcircumstancewouldthepopulationgrowthratebeatitsmaximum?A.WhenPB.WhenPC.WhenPD.WhenPexceedsK28.Theword"viable"inthesecondparagraphmostnearlymeans:A.VisibleB.VariableC.CapableoflivingD.Vulnerable29.Whyisthemathematicalmodelingofsuccessiondynamicsconsidered"increasinglyvital"?A.Itallowsscientiststoartificiallycreatepioneerspeciesinlaboratoriestoacceleratesoilformation.B.Itprovidesatheoreticalbasisforcompletelyhaltingtheprocessofprimarysuccessioninnaturalreserves.C.Itenablesecologiststoforecastecosystemrecoverytimes,whichiscrucialforconservationinachangingclimate.D.ItprovesthatthecarryingcapacityKofanyenvironmentcanbeindefinitelyincreasedthroughhumanintervention.30.Whatcanbeinferredaboutpioneerspeciesfromthepassage?A.TheyareincapableofsurvivinginareaswithacarryingcapacitygreaterthanK.B.Theyaretypicallythedominantspeciesinthefinalstageofsecondarysuccession.C.Theyrequireapre-existinglayerofsoiltobeginthecolonizationprocess.D.Theypossesstraitsthatallowthemtosurviveandreproduceinextremelyharsh,lifelessenvironments.Text2Theproliferationofdigitaltechnologyhasusheredinthe"AttentionEconomy,"asystemwherehumanattentionistreatedasascarcecommodity.Inthisparadigm,techcompaniesdesignalgorithmsspecificallyengineeredtomaximizeuserengagement,oftenattheexpenseoftheusers'psychologicalwell-being.Theinfinitescroll,thepushnotification,andthevariablerewardscheduleofsocialmediafeedsarenotaccidentalfeatures;theyaredeliberatepsychologicalhooksdesignedtoexploithumancognitivevulnerabilities.Theconsequencesofthiscontinuouscognitivefragmentationaremanifold.Studieshaveshownastrongcorrelationbetweenexcessivesmartphoneusageanddecliningacademicperformance,increasedanxiety,anddiminishedcapacityfordeep,sustainedfocus.Thebrain,constantlyanticipatingthenextdopaminehitfroma"like"ora"share,"losesitstolerancefortheboredomandfrustrationthatarenecessaryprecursorstodeepintellectualwork.Wheneveryidlemomentisfilledwithalgorithmiccontent,themindisdeprivedoftherestitneedstoconsolidatememoriesandgeneratecreativeinsights.Theconceptof"digitalhygiene"hasemergedasacounter-movement.Proponentsarguethatindividualsmustconsciouslycuratetheirdigitalenvironments,muchastheywouldcuratetheirdiets.Thisinvolvesutilizinggrayscalescreenmodestoreducevisualstimulation,turningoffnon-essentialnotifications,andschedulingspecific"offline"periodsduringtheday.However,criticsofdigitalhygieneasasolutionpointoutthatitplacesanundueburdenontheindividualconsumer.Theyarguethatthearchitectureofthedigitalworldisfundamentallyadversarial;expectinganindividualtoresistabillion-dollaralgorithmthroughwillpoweraloneisakintoexpectingsomeonetoeathealthilyinaworldwherejunkfoodisnotonlyfreebutphysicallyattachedtoone'shand.Consequently,regulatoryinterventionsareincreasinglybeingdemanded.Dataprivacylaws,suchastheGDPRinEurope,areastepintherightdirection,buttheydonotaddressthecoreissueofalgorithmicmanipulationofattention.Somescholarsadvocatefora"righttodisconnect,"legallyprotectingemployeesfromprofessionalcommunicationsoutsideofworkinghours.Othersproposestricterregulationsonthedesignfeaturesofapps,specificallybanninginfinitescrollandmandating"stoppingcues"—designfeaturesthatforcetheusertomakeaconsciousdecisiontocontinueconsumingcontent.31.Whatisthemainargumentofthepassage?A.Digitaltechnologyhasinherentlyimprovedhumancognitiveabilitiesandacademicperformance.B.Theattentioneconomyexploitshumanpsychology,andindividualdigitalhygieneisinsufficienttocountercorporatealgorithmicmanipulation.C.Infinitescrollandpushnotificationsareaccidentalfeaturesthatinadvertentlyincreaseuserengagement.D.TheGDPRinEuropehassuccessfullysolvedtheissuesrelatedtodataprivacyandalgorithmicmanipulation.32.Whydoestheauthormentionthatexpectinganindividualtoresistalgorithmsis"akintoexpectingsomeonetoeathealthilyinaworldwherejunkfoodisnotonlyfreebutphysicallyattachedtoone'shand"?A.Toemphasizetheeaseofovercomingdigitaladdictionthroughsimplewillpower.B.Toillustratethesystemicandalmostinescapablenatureofalgorithmicpersuasion.C.Tosuggestthatdigitaladdictionislessseverethanphysicalhealthissueslikeobesity.D.Toadvocatefortheprovisionoffreehealthyfoodtocombattechnologicaldependency.33.Accordingtothepassage,whyis"boredomandfrustration"necessary?A.Theyarenecessarytopreventthebrainfromanticipatingthenextdopaminehit.B.Theyaretheemotionalstatesthattriggerthealgorithmstopushmoreengagingcontent.C.Theyserveasprecursorstodeepintellectualworkandcreativeinsight.D.Theyallowthebraintoconsolidatememorieswithouttheinterferenceofdopamine.34.Theword"manifold"inthesecondparagraphisclosestinmeaningto:A.SingularB.NumerousC.UnimportantD.Unpredictable35.WhichofthefollowingsolutionsisNOTproposedinthepassagetoaddresstheattentioneconomy?A.Schedulingspecific"offline"periodsduringtheday.B.Banninginfinitescrollfeaturesinapplicationsthroughgovernmentregulation.C.Implementing"stoppingcues"thatforceconsciousdecision-making.D.Providingfreealgorithmiccontentthatiseducationalratherthanpurelyentertaining.Text3ThedeciphermentoftheRosettaStonein1822byJean-FrançoisChampollionstandsasoneofthemostmonumentalachievementsinthehistoryoflinguistics.Priortothisbreakthrough,theancientEgyptianhieroglyphicscripthadbeenacompletelydeadlanguageforoveramillenniumandahalf;itsphoneticpropertieswereentirelyunknown,andscholarshadlongassumeditwasapurelysymbolicorlogographicwritingsystem,whereeachsymbolrepresentedawholeword.Thestoneitself,discoveredbyFrenchsoldiersin1799duringNapoleon'scampaigninEgypt,presentedadecreeissuedin196BCinthreescripts:AncientEgyptianhieroglyphs,Demoticscript,andAncientGreek.BecauseAncientGreekwasawell-understoodlanguage,itprovidedthenecessarykeytounlockthephoneticvaluesoftheEgyptianscripts.However,thepathtodeciphermentwasnotstraightforward.Theinitialassumptionthatthehieroglyphswerepurelylogographicprovedtobeamassiveintellectualroadblock.ItwasThomasYoung,aBritishpolymath,whofirstdemonstratedthatsomehieroglyphscouldrepresentphoneticsounds,specificallyinthewritingofforeignnameslike"Ptolemy."ChampollionbuiltuponYoung'sfoundation,buthisuniqueadvantagewashisprofoundknowledgeofCoptic,thefinalstageoftheEgyptianlanguage.ChampollionhypothesizedthatCopticwasthespokenlanguagerepresentedbythehieroglyphicscript.BycomparingtheGreeknamesinthecartouches(ovalloopsenclosingroyalnames)withthecorrespondinghieroglyphs,andthenapplyingCopticphoneticequivalents,Champollionsuccessfullydeducedthephoneticalphabet.Herealizedthatthehieroglyphicsystemwasacomplexhybrid:itcontainedlogograms(wordsigns),phonograms(soundsigns),anddeterminatives(silentsignsthatclarifiedthemeaningofprecedingwords).ThisrealizationrevolutionizedthefieldofEgyptology.Overnight,thousandsofinscriptionsontemplewallsandpapyribecamelegible,providinganunprecedentedwindowintothereligious,political,anddailylifeofancientEgypt.However,thedeciphermentalsostrippedhieroglyphsoftheirmysticalaura.TheGreeksandRomanshadviewedhieroglyphsasaprofound,esotericphilosophicalsymbolism.Champollion'sworkrevealedthemtobeahighlyfunctional,albeitcomplex,administrativeandhistoricaltool.36.WhatwastheprimaryreasonscholarsfailedtodecipherhieroglyphsbeforethediscoveryoftheRosettaStone?A.TheylackedaccesstotheCopticlanguage.B.Theymistakenlybelievedhieroglyphswerepurelylogographicandhadnophoneticcomponent.C.TheGreektranslationprovidedonthestonewasdeliberatelymistranslated.D.Theydidnotunderstandtheconceptofcartouchesanddeterminatives.37.HowdidThomasYoungcontributetothedeciphermentofhieroglyphs?A.HeusedhisknowledgeofCoptictotranslateentiresentences.B.Heprovedthatforeignnamesinhieroglyphswerewrittenusinglogograms.C.Heidentifiedthatsomehieroglyphsrepresentedphoneticsoundsratherthanwholewords.D.HediscoveredtheRosettaStoneduringNapoleon'scampaigninEgypt.38.Basedonthepassage,whatisa"determinative"inthecontextofancientEgyptianhieroglyphs?A.Asymbolthatrepresentsawholewordorconcept.B.AphoneticsoundderivedfromtheCopticlanguage.C.Anovalloopthatenclosesroyalnamestosignifytheirimportance.D.Asilentsymbolusedtoclarifythemeaningofprecedingwords.39.WhatwasaconsequenceofChampollion'sdeciphermentofhieroglyphs?A.ItconfirmedtheancientGreekandRomanbeliefthathieroglyphswereesotericphilosophicalsymbols.B.Itallowedscholarstoreadthousandsofinscriptions,providinginsightintoancientEgyptianlife.C.ItprovedthattheCopticlanguagehadnohistoricalconnectiontoancientEgyptian.D.ItcomplicatedthefieldofEgyptologybyprovingthescriptswerepurelyadministrative.40.Theword"esoteric"inthefinalparagraphmostnearlymeans:A.Intendedforaselectfewwhopossessspecialknowledge.B.Extremelysimpleandstraightforwardtounderstand.C.Widelyacceptedanduniversallyrecognizedbythepublic.D.Relatedtotheadministrativefunctionsofagovernment.Text4Theconceptofneuroplasticity,thebrain'sabilitytoreorganizeitselfbyformingnewneuralconnectionsthroughoutlife,hasfundamentallyalteredourunderstandingofhumancognition.Forcenturies,theprevailingscientificdogmaheldthattheadultbrainwasastatic,immutableorgan.Itwasbelievedthatafteracriticalperiodinearlychildhood,thebrain'sstructurewaspermanentlyfixed,andanydamagetoitwasirreparable.Thisdeterministicviewimpliedthatcognitivedeclineinoldagewasinevitableandthatrecoveryfrombraininjurywasfundamentallyimpossible.ThepioneeringworkofresearcherslikeMichaelMerzenichinthe1970sshatteredthisdogma.Throughmeticulousexperimentswithprimates,Merzenichdemonstratedthatthecorticalmapsofthebrain—thespecificareasresponsibleforprocessingsensoryinputs—werenothardwired.Whenamonkeywastrainedtouseaspecificfingermorefrequently,thecorticalareadedicatedtothatfingerphysicallyexpanded,crowdingouttheareasrepresentingadjacentfingers.Thisphenomenon,knownascorticalremapping,provedthatthebrainisahighlydynamicorgan,constantlyreshapingitselfinresponsetoexperienceandlearning.Theimplicationsofneuroplasticityextendfarbeyondbasicneuroscience;theyhaverevolutionizedclinicalneurologyandeducation.Intherealmofstrokerehabilitation,thediscoveryofneuroplasticityhasledtothedevelopmentofconstraint-inducedmovementtherapy(CIMT).Byphysicallyrestrainingapatient'sunaffectedlimb,therapistsforcethepatienttousetheaffectedlimb,therebystimulatingthebraintorewireitselfandbypassthedamagedneuralpathways.Thisapproachhasallowedpatientstoregainmotorfunctionsthatwerepreviouslythoughttobepermanentlylost.Furthermore,theunderstandingofneuroplasticityhasprofoundimplicationsforcognitiveaging.Whileitistruethattherateofneuroplasticitydeclineswithage,theagingbrainretainsthecapacitytoformnewneurons(neurogenesis)andnewsynapseswellintotheninthdecadeoflife.Thissuggeststhatcognitivedeclineisnotaninevitableconsequenceofaging,butrathertheresultofalackofsufficientcognitivestimulation.Engagingincomplex,novelactivities—suchaslearninganewlanguage,playingamusicalinstrument,orsolvingcomplexspatialpuzzles—canstimulatetheproductionofbrain-derivedneurotrophicfactor(BDNF),aproteinthatactslike"fertilizer"forthebrain,promotingthesurvivalandgrowthofnewneurons.However,neuroplasticityisadouble-edgedsword.Justasthebraincanwireitselfforpositiveadaptation,itcanalsowireitselffornegativeoutcomes.Chronicstress,trauma,andaddictionhijackthebrain'splasticmechanisms,creatingdeeplyingrainedneuralpathwaysthatperpetuateanxiety,depression,andsubstanceabuse.Inthesecases,thebrainhaslearnedtobesick.Overcomingthesedeeplyentrenchedneuralpatternsrequiresintensive,targetedinterventions,suchascognitivebehavioraltherapy(CBT)ormindfulness-basedstressreduction(MBSR),toactivelyrewirethebraintowardhealthierfunctioning.41.Whatwastheprevailingscientificbeliefabouttheadultbrainbeforethe1970s?A.Thebrainwashighlydynamicandconstantlyformingnewneuralconnections.B.Thebrain'sstructurewasfixedafterchildhood,andcognitivedeclinewasinevitable.C.Thebraincouldeasilyrecoverfromseveretraumathroughnaturalregeneration.D.Thebrain'scorticalmapsexpandedcontinuouslythroughoutaperson'slife.42.WhatdidMichaelMerzenich'sexperimentswithprimatesdemonstrate?A.Thatthecorticalmapsofthebrainarehardwiredandcannotbealteredbyexperience.B.Thattrainingaspecificbodypartcausesthecorrespondingbrainareatophysicallyexpand.C.Thatprimatesareincapableoflearningnewmotorskillsafteracertainage.D.Thatdamagetotheadultbrainisirreparableregardlessoftheintensityoftherapy.43.HowdoesConstraint-InducedMovementTherapy(CIMT)utilizetheprincipleofneuroplasticity?A.Bysurgicallyremovingthedamagedneuralpathwaysinthebrain.B.Byadministeringdrugsthatpromotethereleaseofbrain-derivedneurotrophicfactor.C.Byforcingtheuseoftheaffectedlimb,stimulatingthebraintobypassdamagedpathways.D.Byteachingthepatienttorelyentirelyontheunaffectedlimbtocompensatefortheloss.44.Accordingtothepassage,whichofthefollowingactivitiesismostlikelytostimulatetheproductionofBDNF?A.Watchingafamiliartelevisionshow.B.Engaginginroutine,repetitivephysicalexercise.C.Learningtoplayacomplexnewmusicalinstrument.D.Followingadailyroutinewithoutanyalterations.45.Whatisthe"double-edgedsword"ofneuroplasticitymentionedinthefinalparagraph?A.Neuroplasticitycancurephysicalinjuriesbutworsencognitivedecline.B.Neuroplasticityallowsforbothpositiveadaptationandtheentrenchmentofnegativebehaviorslikeaddiction.C.Neuroplasticityonlyworkseffectivelyinyoungchildrenandfailsinolderadults.D.Neuroplasticitycanpromotethegrowthofnewneuronsbutsimultaneouslydestroyhealthyones.【题型：简答题】Directions:Readthefollowingtextcarefullyandanswerthequestionsbrieflyinyourownwords.Text5Theglobaltransitionfromfossilfuelstorenewableenergysourcesisoftenframedasapurelytechnologicalandenvironmentalimperative.However,thistransitionisdeeplyembeddedincomplexgeopoliticaldynamicsthatarefrequentlyoverlooked.The20thcenturywasdefinedbythegeopoliticsofoil,wherenationswithvasthydrocarbonreserveswieldeddisproportionateglobalinfluence.The21stcentury,conversely,ispoisedtobedefinedbythegeopoliticsofcriticalminerals—lithium,cobalt,nickel,andrareearthelements—whichareessentialforthemanu