2025年英語專四完形填空沖刺試卷：實戰(zhàn)模擬與解題策略考試時間：______分鐘總分：______分姓名：______PartIClozeReadthefollowingpassagecarefullyandchoosethebestwordforeachblankfromthefourchoicesmarkedA,B,C,orD.Markthecorrespondingletterwithasinglelinethroughthecentre.Thehumanbrainisincrediblycomplex,1itsfunctionsremainonlypartiallyunderstood.Researchershavelongsoughttounlockitsmysteries,2hopesofadvancingmedicineandenhancinghumancapabilities.Oneofthemostsignificantchallengesinbrainresearchisthestudyofneuralnetworks—intricatesystemsofinterconnectedneuronsthat3informationthroughoutthebrain.Understandinghowthesenetworksoperate4providinginsightsintovariousneurologicaldisorders,includingAlzheimer'sdiseaseandepilepsy.Recentadvancementsintechnologyhave5madeitpossibletoobserveneuralactivitywithgreaterprecision.Techniquessuchasfunctionalmagneticresonanceimaging(fMRI)andelectroencephalography(EEG)allowscientiststovisualizebrainactivityinrealtime.Thesetoolshave6revealedpatternsofneuralactivitythatareassociatedwithspecificcognitivetasks,suchasmemoryformationanddecision-making.However,despitetheseadvancements,thereisstillmuch7tobediscoveredaboutthebrain'sunderlyingmechanisms.Oneareaofresearchfocusesontheroleofsynapticplasticity,thebrain'sabilitytoreorganizeitselfbyformingnewconnectionsbetweenneurons.Thisphenomenoniscrucialforlearningandmemory.Studieshaveshownthatsynapticplasticityisinfluencedbyvariousfactors,includingenvironmentalstimuliandpsychologicalstates.Understandingthesefactors8couldleadtonewtherapeuticstrategiesforneurologicaldisorders.Anotherimportantaspectofbrainresearchisthestudyofneurodegenerativediseases.Theseconditions,suchasParkinson'sdiseaseandHuntington'sdisease,arecharacterizedbytheprogressivedeteriorationofneuralnetworks.Researchersareworkingtoidentifythegeneticandenvironmentalfactorsthatcontributetothesediseases,9hopeofdevelopingeffectivetreatments.Bystudyingtheprogressionofthesediseases,scientistscanalsogaininsightsintothenormalagingprocessofthebrain.Thestudyofthebrainisamultidisciplinaryeffortthatinvolvesneuroscientists,psychologists,andmedicalprofessionals.Eachdisciplinecontributesuniqueperspectivesandmethodologies,10amorecomprehensiveunderstandingofthebrainanditsfunctions.1.A.yet2.A.and3.A.processes4.A.which5.A.recently6.A.already7.A.remaining8.A.when9.A.besides10.A.enablingPartIIClozeReadthefollowingpassagecarefullyandchoosethebestwordforeachblankfromthefourchoicesmarkedA,B,C,orD.Markthecorrespondingletterwithasinglelinethroughthecentre.Climatechangeisoneofthemostpressingissuesfacingtheworldtoday.Itseffectsarefar-reachingandimpacteverycorneroftheplanet.Risingglobaltemperaturesareleadingtothemeltingofpolaricecapsandglaciers,11asubsequentriseinsealevels.Thisphenomenonthreatenstoinundatecoastalcommunitiesandlow-lyingareas,displacingmillionsofpeopleanddisruptingecosystems.Theincreaseinglobaltemperaturesalsocontributestomorefrequentandsevereweatherevents.Heatwaves,droughts,andheavyrainfallarebecomingmorecommon,12toagriculturalfailures,watershortages,andflooding.Theseeventsnotonlycauseimmediateharmbutalsohavelong-termconsequencesforfoodsecurityandeconomicstability.Anothersignificantimpactofclimatechangeistheacidificationofoceans.Increasedlevelsofcarbondioxideintheatmospherearebeingabsorbedbyseawater,13thepHbalanceandharmingmarinelife.Coralreefs,whicharecrucialforbiodiversityandtourism,areparticularlyvulnerabletoacidificationandwarmingwaters.Effortstomitigateclimatechangeareunderwayworldwide.Governments,organizations,andindividualsareworkingtoreducegreenhousegasemissionsthroughrenewableenergyadoption,energyefficiency,andsustainablepractices.Internationalagreements,suchastheParisAgreement,aimtocoordinateglobaleffortsandsettargetsforreducingemissions.However,despitetheseefforts,thechallengeofclimatechangeremainsdaunting.Theeffectsofpastemissionsarealreadyevident,andfutureimpactsareprojectedtobeevenmoresevereifdrasticmeasuresarenottaken.Itisimperativethatallnationscollaborateandimplementcomprehensivestrategiestoaddressthisglobalcrisis.11.A.and12.A.leading13.A.altering試卷答案1.A2.B3.A4.D5.A6.B7.A8.D9.C10.A11.and12.leading13.altering解析思路PartICloze1.A.yet：表示轉(zhuǎn)折關(guān)系，符合句意“雖然大腦極其復雜，但其功能仍只有部分被理解”。2.B.and：表示并列關(guān)系，符合句意“研究人員長期以來一直在尋求解開大腦的奧秘，并希望推進醫(yī)學和增強人類能力”。3.A.processes：動詞原形，作謂語，符合句意“這些相互連接的神經(jīng)元網(wǎng)絡(luò)處理信息”。4.D.which：引導非限制性定語從句，修飾前面的整個句子“理解這些網(wǎng)絡(luò)如何運作，這為洞察各種神經(jīng)疾病提供了見解”，指代前面所說的內(nèi)容。5.A.recently：副詞，修飾動詞made，符合句意“最近的技術(shù)進步使得更精確地觀察神經(jīng)活動成為可能”。6.B.already：副詞，修飾動詞revealed，符合句意“這些工具已經(jīng)揭示了與特定認知任務相關(guān)的神經(jīng)活動模式”。7.A.remaining：動名詞，作主語，符合句意“關(guān)于大腦的底層機制還有許多剩余的（需要發(fā)現(xiàn)的）”。8.D.thus：副詞，表示結(jié)果，符合句意“理解這些因素thus（因此）可能leads（導致）新的治療策略的開發(fā)”。9.C.thereby：副詞，表示結(jié)果，符合句意“通過研究這些疾病的進展，科學家thereby（從而）可以獲得對大腦正常衰老過程的見解”。10.A.enabling：現(xiàn)在分詞作結(jié)果狀語，符合句意“每個學科都貢獻了獨特的視角和方法論，enabling（使能夠）更全面地理解大