全国硕士研究生入学统一考试英语试题(含答案)

全国硕士研究生入学统一考试英语试题(含答案)SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)Theideathatplantscan“talk”tooneanotherwasoncedismissedasNewAgefantasy.Todayitisacceptedasasoberscientificfact.Whenacaterpillar1aleaf,thewoundedplantreleasesabouquetofvolatilechemicals.Neighboringplants2thesemoleculesandgearuptheirowndefensesbeforetheattackerarrives.The3israpid,specificand,inagriculturalterms,potentially4:ifscientistscandecodethelexicon,cropscouldbeengineeredtowarnoneanotherof5threats,reducingtheneedforpesticides.Yetthedialogueisnotlimitedto6alarms.Agrowingbodyofworkshowsthatplantscanalso7“whisper”tocoordinatefloweringtime,8rootgrowthsoasnottotanglewithkin,andeven9thepresenceofarivalbysensingtheratioofredtofar-redlightreflectedoffitsleaves.Suchexchanges10thetraditionalviewofplantsaspassiveorganismsatthemercyoftheirenvironment.1.A.nibbles B.grazes C.munches D.scarfs2.A.intercept B.inhale C.detect D.absorb3.A.response B.reflex C.repercussion D.resonance4.A.lucrative B.transformative C.redeeming D.scalable5.A.imminent B.latent C.covert D.residual6.A.sounding B.raising C.issuing D.voicing7.A.covertly B.mutually C.audibly D.chemically8.A.modulate B.retract C.proliferate D.anchor9.A.acknowledge B.forestall C.discern D.confront10.A.corroborate B.upend C.reiterate D.distortAnswers:1C 2C 3A 4B 5A 6B 7D 8A 9C 10BSectionIIReadingComprehensionPartAMultiple-choicequestions(20points)Directions:Readthefourpassagesbelowandanswerthequestionsthatfollow.MarktheletterofthebestchoiceontheANSWERSHEET.Passage1In1928theScottishbacteriologistAlexanderFlemingreturnedfromvacationtofindthatamoldhadcontaminatedaPetridishanddissolvedapatchofstaphylococci.ThemoldwasPenicilliumnotatum;theantibacterialsubstance,laterisolatedandmass-produced,becamepenicillin.Theepisodeisenshrinedasalandmarkofserendipitousdiscovery.LesswellknownisFleming’simmediatewarning:misusewould“educate”pathogensintoresistance.By1945,whenheacceptedtheNobelPrize,resistantstrainswerealreadycirculatinginLondonhospitals.Todayantimicrobialresistance(AMR)causesanestimated1.3milliondeathsannually.Projectionssuggestthatby2050thetollcouldsurpasscancer.Theeconomiclogicisinexorable:newantibioticsoffersocietylargepositiveexternalities,buttheirprivatereturnsaremeagre;firmsthereforeexitthemarket.Between1990and2020onlytwonovelclassesreachedpatients,comparedwith63between1930and1970.11.TheauthorcitesFleming’s1945remarkprimarilytoA.illustratethespeedofbacterialevolutionB.underscoreearlyawarenessofresistancerisksC.questionthereliabilityofNobelPrizedecisionsD.highlighttheinadequacyofhospitalhygiene12.Whichofthefollowingbestexplainsthe“economiclogic”mentionedinparagraph2?A.Antibioticsarepublicgoodssubjecttofree-riderproblems.B.Regulatoryapprovalofdrugsisslowerthanmicrobialmutation.C.Hospitalsprefergenericantibioticstopatentedones.D.Insurancereimbursementratesfornewantibioticsareexcessive.13.Thepassageimpliesthattheperiod1930-1970wascharacterisedbyA.excessiveantibioticconsumptioninagricultureB.robustpipelinesoffirst-in-classmoleculesC.widespreadignoranceofresistancemechanismsD.governmentalpricecontrolsonpharmaceuticalsAnswers:11B 12A 13BPassage2The2021eruptionofCumbreViejaonLaPalmalasted85daysanddestroyed3000buildings.Yetfromascientificstandpointitwasawindfall:anunprecedentednetworkofsensors—seismometers,tiltmeters,gasanalyzers,drones,micro-barometers—produced1.2terabytesofdata.Machine-learningmodelsingestedthestreaminrealtimeandforecastlava-pathchangesupto12hoursahead,enablingtimelyevacuations.Thesamedatanowunderpinadebateoverwhethervolcanicsystemsarechaoticintheformalsense—sensitivetoinitialconditionsbutnonethelessdeterministic—orinherentlystochastic.Ifdeterministic,longer-termforecastsmaybepossible;ifstochastic,onlyprobabilistichazardmapscanbeoffered.Thestakesarehigh:theneighbouringislandofTenerifehosts900000residentsandanuclear-power-cooleddesalinationplant.14.TheauthorviewsthesensornetworkchieflyasA.afinancialburdenonlocaltaxpayersB.anecologicaldisturbancetonativefaunaC.anempiricalbonanzaformodellersD.apropagandatoolfornuclearlobbyists15.Thedebatereferredtoinparagraph2centresonwhethervolcaniceruptionsareA.primarilydrivenbytectonicorthermalforcesB.predictablewithdeterministicequationsC.influencedbylunartidalcyclesD.acceleratedbyanthropogenicdrilling16.Whichofthefollowingwouldmoststrengthenthedeterministicposition?A.DiscoverythatidenticalinflationpatternsalwaysyieldidenticallavavolumesB.EvidencethatgasratiosfluctuaterandomlyregardlessofconduitgeometryC.DocumentationofhistoricaleruptionstriggeredbymeteorimpactsD.StatisticalcorrelationbetweeneruptionsizeandprecedingquakefrequencyAnswer:14C 15B 16APassage3In2022theU.S.SupremeCourtruledinWestVirginiav.EPAthattheEnvironmentalProtectionAgencyhadexceededitsstatutoryauthoritybysettinggeneration-shiftingrequirementsforcoalplants.Themajorityinvokedthe“major-questionsdoctrine,”demandingclearcongressionalauthorizationforagencydecisionsofvasteconomicsignificance.Criticsarguethedoctrinecreatesaone-wayratchet:agenciesmayderegulatewithoutexplicitmandatebutcannotregulatenovelharms.Empiricalanalysisof532federalappellatecases(2005-2022)showsthedoctrinewascited38timestoblockregulationandnevertoupholdit.Firms,anticipatingjudicialscepticism,reducegreeninvestment:afterthedecision,utilitiespostponed14GWofplannedrenewablecapacitywithin90days.17.TheprimarypurposeofthepassageistoA.defendtheEPA’sinterpretationoftheCleanAirActB.analysetheeconomicimpactofajudicialdoctrineC.proposelegislativereformoftheSupremeCourtD.documentthedeclineofU.S.coalconsumption18.The“one-wayratchet”metaphorimpliesthatthedoctrineA.imposessymmetricalburdensonregulatorsandderegulatorsB.allowsonlyloosening,nottightening,ofcontrolsC.requiresbipartisanconsensusforanystatutorychangeD.increasestransactioncostsforprivatelitigants19.The14GWfigureisusedtoA.quantifyregulatorychillB.illustrategridreliabilityC.compareinternationalinvestmentsD.refuteclimate-modelprojectionsAnswers:17B 18B 19APassage4QuantumDarwinismattemptstoexplaintheemergenceofclassicalobjectivityfromquantumsubstrate.Inthisframework,environmentalmonitoringselectscertain“pointerstates”thatremainstablewhilesuperpositionsdecohere.Repeatedinformationcopyingproliferatesthesestates,makingthemaccessibletomultipleobservers,whothenconcuronasharedreality.Recentexperimentswithphotonicclusterstatesconfirmakeyprediction:theredundancy—thenumberofcopiesneededtoguaranteeconsensus—scalesinverselywiththesquareofthedistinguishabilityofpointerstates.ThefindingnarrowstheexplanatorygapbetweenunitarySchrödingerevolutionandperceivedclassicality,butleavesunresolvedwhyspecificpointerstates(positionratherthan,say,parity)arefavouredineverydayexperience.20.ThepassagesuggeststhatQuantumDarwinismisprimarilyatheoryofA.informationcompressionB.stateselectionthroughenvironmentalproliferationC.superluminalsignallingD.gravitationaldecoherence21.Theexperimentsconfirmwhichpredictedrelationship?A.Redundancy∝1/distinguishability²B.Redundancy∝distinguishabilityC.Redundancy∝ln(distinguishability)D.Redundancyisindependentofdistinguishability22.TheunresolvedissueimpliesthatthetheorycurrentlylacksA.anaccountofpreferredbasisselectionB.aderivationofBornprobabilitiesC.arelativisticextensionD.anexperimentaltestforgravityAnswers:20B 21A 22APartBMultiple-choicecloze(10points)Directions:Readthefollowingexcerptfromascientificpaperandchoosetheoptionthatbestcompleteseachgap.PhotosyntheticefficiencycouldbeboostedifRubisco—theenzymethat23CO₂withribulose-1,5-bisphosphate—werenot24byO₂.Somealgaehaveevolvedproteinaceouscompartments,or“pyrenoids,”thatactasCO₂-concentratingmechanisms(CCMs).EngineeringafunctionalCCMintoC₃crops25astrategicpriority,yetattempts26farhavefailedtoreplicatethenativeultrastructure.Arecurring27isthatpyrenoidformationisnotdictatedbyasingle“master”genebutbya28oflow-complexitydomainsthatundergoliquid-liquidphaseseparation.Tocircumventthis,researchershave29asynthetic-biologyapproach:theyscreened3200chimericproteinsfortheirabilitytoformphase-separateddropletsintobaccochloroplasts,30aminimal47-amino-acidmotifsufficienttonucleateabona-fideCCM.23.A.carboxylates B.oxidizes C.phosphorylates D.hydrates24.A.activated B.out-competed C.denatured D.polymerised25.A.remains B.hasbecome C.became D.hadremained26.A.as B.so C.to D.for27.A.dogma B.setback C.paradigm D.oversight28.A.coalition B.repertoire C.cascade D.gradient29.A.relinquished B.deployed C.deprecated D.postponed30.A.identifying B.eliminating C.circumventing D.obscuringAnswers:23A 24B 25B 26A 27B 28A 29B 30APartCShort-answerquestions(10points)Directions:AnswerthequestionsbelowwithNOMORETHANTENWORDSeach.WriteyouranswersontheANSWERSHEET.31.InPassage1,whatmarketfailurecausesantibioticunder-supply?Positiveexternalities.32.WhichlegaldoctrinedidtheSupremeCourtinvokeinWestVirginiav.EPA?Major-questionsdoctrine.33.Whatphotonicquantityscalesinverselywithredundancysquared?Distinguishability.34.NamethevolcanicridgethateruptedonLaPalmain2021.CumbreVieja.35.Whattypeofphaseseparationnucleatesalgalpyrenoids?Liquid-liquid.SectionIIITranslation(15points)Directions:TranslatethefollowingparagraphintofluentChinese.WriteyourtranslationontheANSWERSHEET.Theacceleratinglossoflinguisticdiversityisseldomtreatedasanecologicalcrisis,yettheparallelisexact:justasthedisappearanceofakeystonespeciestriggerstrophiccascades,theextinctionofalanguageseversmillenniaofencodedethnobotanicalknowledge,erodesculturalresilience,andhomogenisesthecognitivelandscapeuponwhichsustainablestewardshipdepends.语言多样性正在加速流失，却鲜少被视为生态危机；然而二者如出一辙：正如关键物种的消失会引发营养级联，一种语言的灭绝也会切断数千年来编码其中的民族植物学知识，侵蚀文化韧性，并使可持续管理所依赖的认知景观趋于同质化。SectionIVWriting(35points)PartAApplicationletter(10points)Directions:Youareafinal-yearbiologyundergraduateatSichuanUniversity.Writealetterofabout100wordstoProfessorHannahKlein,DepartmentofBiochemistry,NYUSchoolofMedicine,applyingfortheadvertisedsummerundergraduateresearchpositionon“DNArepairinhypoxiccancercells.”Include:1)yourbackground;2)whatyoucancontribute;3)arequestforconsideration.DoNOTwriteyournameoraddress.DearProfessorKlein,Iamatop-5%studentincellularbiologyatSichuanUniversity,wheremythesismapshomologous-repairfociunder1%O₂.ProficiencyinCRISPR-Cas9,flowcytometryandPythonscriptingequipsmetoquantifyγH2AXkineticsinyourhypoxiaworkstation.Icandevo