2025年考研英语二完形填空专项训练试卷（含答案）

2025年考研英语二完形填空专项训练试卷（含答案）考试时间：______分钟总分：______分姓名：______PartVClozeDirections:Thereare20blanksinthefollowingpassage.ForeachblanktherearefourchoicesmarkedA),B),C)andD).YoushouldchoosetheBESToneforeachblankaccordingtothecontextofthepassage.Thehumanbrainisamysteriousorgan,responsibleforcountlessfunctionsthatweareonlybeginningtounderstand.Itcontrolsourthoughts,emotions,andactions,anditallowsustolearn,create,andexperiencetheworldaroundus.Despitedecadesofresearch,however,muchabouthowthebrainworksremainsamystery.Oneareaofparticularinterestisthebrain'sabilitytoadaptandchangeinresponsetonewexperiences.Thisphenomenon,knownasneuroplasticity,challengesthetraditionalviewthatthebrainisastaticorgan,unchangingafterearlychildhood.Instead,itsuggeststhatthebrainiscapableofsignificantrewiringandreorganizationthroughoutourlives.Thishasprofoundimplicationsforourunderstandingoflearning,memory,andrecoveryfrombraininjury.Forexample,studieshaveshownthatpeoplewhohavesufferedstrokesorotherneurologicaldamagecanoftenrelearnlostfunctionsbyformingnewneuralconnections.Thisprocess,knownasfunctionalrecovery,reliesonthebrain'sabilitytoreorganizeitselfandfindalternativepathwaysfordamagedareas.Neuroplasticityalsoplaysacrucialroleinlearningandmemory.Whenwelearnsomethingnew,ourbrainsformnewconnectionsbetweenneurons,strengtheningthepathwaysthatallowustorecallthatinformation.Overtime,thesepathwaysbecomemoreefficient,enablingustolearnandremembermoreeffectively.Thisiswhypracticeandrepetitionaresoimportantformasteringnewskills.Furthermore,neuroplasticitymaybekeytoenhancingcognitiveabilitieslaterinlife.Whileitistruethatcertaincognitivefunctionsdeclinewithage,researchsuggeststhatthebraincanstilladaptandimprovewiththerightstimulation.Thishasledtothedevelopmentofvariousbrain-trainingprogramsdesignedtoimprovememory,attention,andothercognitiveskills.Whiletheseprogramshavevaryingdegreesofeffectiveness,theyhighlightthebrain'spotentialforlifelonglearningandadaptation.Understandingthemechanismsofneuroplasticityisalsocrucialfordevelopingnewtreatmentsforneurologicalandpsychiatricdisorders.Manyofthesedisorders,suchasdepression,anxiety,andpost-traumaticstressdisorder,arethoughttoinvolveabnormalpatternsofbrainactivity.Bytargetingthesepatternsandpromotinghealthyneuroplasticity,researchershopetodevelopnewtherapiesthatcanalleviatesymptomsandimprovethelivesofpatients.Inconclusion,neuroplasticityisaremarkableaspectofthehumanbrain,demonstratingitsincredibleabilitytoadaptandchange.Thishassignificantimplicationsforourunderstandingoflearning,memory,andrecoveryfrombraininjury.Asresearchinthisareacontinuestoprogress,wecanexpecttogainevendeeperinsightsintotheworkingsofthebrainanddevelopnewwaystoharnessitspower.1.______thehumanbrainisamysteriousorgan,responsibleforcountlessfunctionsthatweareonlybeginningtounderstand.2.Itcontrolsourthoughts,emotions,andactions,anditallowsustolearn,create,andexperience______worldaroundus.3.Despitedecadesofresearch,however,muchabouthowthebrainworksremains______mystery.4.Oneareaofparticularinterestisthebrain'sabilitytoadaptandchangeinresponsetonew______.5.Thisphenomenon,knownasneuroplasticity,challengesthetraditionalviewthatthebrainisastaticorgan,unchangingafterearly______.6.Instead,itsuggeststhatthebrainiscapableofsignificantrewiringandreorganizationthroughoutour______.7.Thishasprofoundimplicationsforourunderstandingoflearning,memory,andrecoveryfrombrain______.8.Forexample,studieshaveshownthatpeoplewhohavesufferedstrokesorotherneurologicaldamagecanoftenrelearnlostfunctionsbyformingnewneural______.9.Thisprocess,knownasfunctionalrecovery,reliesonthebrain'sabilitytoreorganizeitselfandfindalternativepathwaysfordamaged______.10.Neuroplasticityalsoplaysacrucialroleinlearningandmemory.Whenwelearnsomethingnew,ourbrainsformnewconnectionsbetween______.11.Overtime,thesepathwaysbecomemoreefficient,enablingustolearnandremembermore______.12.Thisiswhypracticeandrepetitionaresoimportantformasteringnew______.13.Furthermore,neuroplasticitymaybekeytoenhancingcognitiveabilitieslaterin______.14.Whileitistruethatcertaincognitivefunctionsdeclinewithage,researchsuggeststhatthebraincanstilladaptandimprovewiththeright______.15.Thishasledtothedevelopmentofvariousbrain-trainingprogramsdesignedtoimprovememory,attention,andothercognitive______.16.Whiletheseprogramshavevaryingdegreesofeffectiveness,theyhighlightthebrain'spotentialforlifelonglearningand______.17.Understandingthemechanismsofneuroplasticityisalsocrucialfordevelopingnewtreatmentsforneurologicalandpsychiatric______.18.Manyofthesedisorders,suchasdepression,anxiety,andpost-traumaticstressdisorder,arethoughttoinvolveabnormalpatternsofbrain______.19.Bytargetingthesepatternsandpromotinghealthyneuroplasticity,researchershopetodevelopnewtherapiesthatcanalleviatesymptomsandimprovethelivesof______.20.Inconclusion,neuroplasticityisaremarkableaspectofthehumanbrain,demonstratingitsincredibleabilitytoadaptandchange.试卷答案1.A解析：根据空格后“responsibleforcountlessfunctions”可知，此处应填入表示“尽管，虽然”的词，引导让步状语从句。A)Although意为“尽管，虽然”，符合语境。2.B解析：根据空格后“worldaroundus”可知，此处应填入表示“这个”的限定词。B)This指代前面的整个句子，即“人脑是一个神秘的器官，负责无数我们才开始理解的功能”，符合语境。3.C解析：根据空格后“remains”可知，此处应填入名词。C)amystery意为“一个谜”，符合语境。4.D解析：根据空格后“newexperiences”可知，此处应填入名词。D)experiences意为“经历”，符合语境。5.B解析：根据空格后“unchangingafterearlychildhood”可知，此处应填入表示“童年”的词。B)childhood意为“童年”，符合语境。6.A解析：根据空格后“throughoutourlives”可知，此处应填入表示“一生”的词。A)lives意为“一生”，符合语境。7.D解析：根据空格后“recoveryfrombraininjury”可知，此处应填入名词。D)injury意为“损伤”，符合语境。8.C解析：根据空格后“neuralconnections”可知，此处应填入表示“形成”的动词。C)forming为现在分词，表示伴随动作，符合语境。9.A解析：根据空格后“damaged