2025年考研英語（一）完形填空專項訓練：語法考點與真題解析考試時間：______分鐘總分：______分姓名：______第一部分完形填空Instructions:Readthefollowingpassagecarefully.Then,fillineachblankwiththemostappropriatewordyouconsiderfromthefourchoicesgivenineachquestion.MarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Thehumanbrainisperhapsthemostcomplexobjectintheknownuniverse.1______itsremarkableabilitytolearn,adapt,andperformavastarrayoffunctions,itremainsoneofscience'sgreatestmysteries.Researchershavelongbeenfascinatedbyhowthisintricatenetworkofneuronsgeneratesthoughts,memories,andconsciousness.Whilemuchhasbeendiscoveredaboutbrainstructureandfunction,manyfundamentalquestionsaboutthenatureofthemindanditsrelationshiptothephysicalbrainremainunanswered.Oneofthekeychallengesinunderstandingthebrainisitssheercomplexity.2______billionsofneurons,eachconnectedtothousandsofothers,formadensewebofcommunicationpathways.Thesepathways,knownassynapses,allowsignalstotravelfromoneneurontoanother,facilitatingthetransmissionofinformationthroughoutthebrain.3______theexactmechanismsgoverninghowthesesignalsareprocessedandintegratedarestillnotfullyunderstood.Researchersusevarioustechniques,suchasfMRIandEEG,toobservebrainactivity,butinterpretingthesesignalstodeciphermeaningremainsdifficult.Anotherareaoffocusisthestudyoflearningandmemory.4______weencodenewinformationandretrievestoredmemories,complexneuralprocessesareatwork.Neuroplasticity,thebrain'sabilitytochangeandadaptbyformingnewconnections,iscrucialinthisprocess.Studiesonanimalsandhumanshaveshownthatpracticeandexperiencecanalterbrainstructureandfunction,highlightingthebrain'sremarkableflexibility.5______exactlyhowthisadaptationoccursandhowitcontributestolearningandmemoryisstillasubjectofintenseresearch.Understandingtheseprocessescouldhavesignificantimplicationsforeducation,rehabilitation,andtreatingneurologicaldisorders.Advancesintechnologyhavegreatlyenhancedourabilitytostudythebrain.6______imagingtechniquesallowustovisualizebrainactivityinreal-time,andgeneticengineeringprovidesnewwaystomanipulatespecificneuronstounderstandtheirfunction.Despitetheseadvancements,7______thecompletepictureofhowthebrainworksremainselusive.Thebrain'scomplexitydefiessimpleexplanations,andunravelingitsmysteriesrequiresinterdisciplinaryapproachesandinnovativethinking.Thequesttounderstandthehumanbrainisnotjustascientificendeavor;italsohasprofoundethicalandphilosophicalimplications.8______wegaindeeperinsightsintothenatureofconsciousnessanddecision-making,questionsariseabouttheimplicationsforfreewill,personalidentity,andthetreatmentofmentalhealthconditions.Asourunderstandingofthebrainevolves,itwillbeessentialtoengageinthoughtfuldiscussionsabouttheseethicalconsiderationstoensurethatourknowledgeisusedresponsibly.Neurosciencecontinuestopushtheboundariesofhumanknowledge,offeringglimpsesintotheworkingsofthemind.9______themysteriesofthebrainarevast,theprogressmadesofarhasalreadytransformedourunderstandingofourselvesandopenednewavenuesfortreatmentandintervention.10______thejourneytounlockthebrain'ssecretsisongoing,thepotentialbenefitsforhumanityareimmense.1.A.DespiteB.BesideC.DuetoD.Despiteof2.A.ConsistingB.ComposedC.ConstitutingD.Containing3.A.YetB.ThereforeC.MoreoverD.However4.A.AsB.WhenC.WhileD.Until5.A.WhoB.WhichC.ThatD.Where6.A.ModernB.ContemporaryC.RecentD.Current7.A.SoB.AlthoughC.BecauseD.Unless8.A.SinceB.BeforeC.AsD.Unless9.A.WhileB.EventhoughC.NeverthelessD.Despite10.A.SinceB.AsC.WhileD.Unless試卷答案1.C2.C3.A4.B5.D6.A7.B8.C9.D10.B解析思路1.C.DuetoThesentenceaimstohighlightthereasonforthebrainbeingamysterydespiteitsabilities."Duetoitsremarkableability..."fitsperfectly,indicatingthebrain'sabilitiesarethereasonitremainsamystery."Despite"introducescontrast,whichisn'tsuitablehere."Beside"meansnextto,and"Despiteof"isgrammaticallyincorrect.2.C.ConstitutingThepassagedescribesneuronsforminganetwork."Constituting"meansformingormakingup,whichcorrectlydescribesbillionsofneuronsformingthenetwork."Consisting"canalsomeanforming,but"constituting"isoftenusedtoemphasizethatthepartsmakeupthewhole."Containing"meansholding,and"Composedof"isaphrase,notasinglewordthatfitsgrammaticallyhere.3.A.YetThesentencecontrastswhatisknown(researchersusetechniques)withwhatisunknown(exactmechanisms)."Yet"appropriatelyintroducesthiscontrast."Therefore"indicatesaresult,"Moreover"addsinformation,and"However"alsointroducescontrastbutislessforcefulthan"yet"inthiscontext.4.B.WhenThesentencedescribestheprocessofencodingandretrievinginformationascomplexneuralprocessesthatoccuratspecifictimes."When"correctlyindicatesthattheseprocesseshappenduringtheactionsofencodingandretrieving.5.D.WhereThesentencediscusseshowadaptationoccursandcontributestolearningandmemory."Where"referstothelocationorsituation(thebrain)wherethisadaptationprocesstakesplaceandcontributes.6.A.ModernThesentencereferstoimagingtechniquesusedincurrenttimes."Modern"meansbelongingtothepresentorrecenttimes,whichfitsthecontextoftechnologicaladvancements."Contemporary"issimilarbutoftenimpliesthesameperiod,while"Recent"focusesmoreonthenearpast,and"Current"emphasizeswhatishappeningnow.7.B.AlthoughThesentenceacknowledgestheadvancementsintechnology("Advancesintechnologyhavegreatlyenhanced...")butthenstatesthatthecompletepictureremainselusive("remainselusive")."Although"appropriatelyintroducesthisconcession.8.C.AsThesentenceestablishesacause-and-effectrelationship:asneurosciencegainsdeeperinsights,questionsari