2025年英语四六级考试冲刺模拟试卷：词汇与语法

2025年英语四六级考试冲刺模拟试卷：词汇与语法考试时间：______分钟总分：______分姓名：______PartIVocabularySelectionDirections:Thereare20blanksinthefollowingpassage.Foreachblank,therearefourchoicesmarkedA),B),C)andD).YoushouldchoosetheONEthatbestfitsintothepassage.ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Thehumanbrainisacomplexorganthatcontrolsmostoftheactivitiesofthebody,processing,integrating,andcoordinatingtheinformationitreceivesfromthesenseorgans,andmakingdecisionsastotheinstructionssenttotherestofthebody.Itisthecenterofthought,emotion,memory,andimagination.Thebrainismadeupofmorethan100billionneurons,eachofwhichconnectstothousandsofotherneuronsthroughtinybranchescalleddendrites.Theseneuronsformtrillionsofconnections,calledsynapses,whichallowthemtocommunicatewithoneanother.Thebrainisdividedintoseveralmajorparts,eachwithaspecificfunction.Thecerebrum,thelargestpartofthebrain,isresponsibleforhighercognitivefunctionssuchasthinking,learning,andremembering.Itisdividedintotwohemispheres,theleftandtheright,whichareconnectedbyabundleofnervefiberscalledthecorpuscallosum.Thelefthemisphereisgenerallyconsideredtoberesponsibleforlanguageandanalyticaltasks,whiletherighthemisphereisassociatedwithcreativityandspatialreasoning.Thecerebellum,locatedbelowthecerebrum,coordinatesvoluntarymovementssuchaswalkingandswimming.Italsohelpstomaintainbalanceandposture.Thebrainstem,atthebaseofthebrain,controlsbasiclifefunctionssuchasbreathing,heartrate,andbloodpressure.Itconnectsthebraintothespinalcord,whichcarriesnervesignalsbetweenthebrainandtherestofthebody.Thebrainisprotectedbytheskullandsurroundedbythreelayersofmembranescalledmeninges.Italsofloatsinafluidcalledcerebrospinalfluid,whichcushionsitfromshockandprovidesnutrients.1.Theword"complex"inthefirstparagraphisclosestinmeaningtoA)simpleB)importantC)complicatedD)average2.Accordingtothepassage,thebrainisresponsibleforA)receivinginformationfromthesenseorgansB)makingdecisionsforthebodyC)controllingmostofthebody'sactivitiesD)alloftheabove3.ThecerebrumisdividedintoA)thecerebellumandthebrainstemB)theleftandtherighthemispheresC)thebrainstemandthespinalcordD)thecorpuscallosumandthemeninges4.ThelefthemisphereisgenerallyconsideredtoberesponsibleforA)creativityB)languageC)spatialreasoningD)balance5.ThecerebellumislocatedA)belowthecerebrumB)abovethebrainstemC)atthebaseofthebrainD)withinthemeninges6.ThebrainstemcontrolsA)voluntarymovementsB)basiclifefunctionsC)highercognitivefunctionsD)balanceandposture7.ThemeningesareA)layersofmembranessurroundingthebrainB)fluidsurroundingthebrainC)thepartofthebrainresponsibleforlanguageD)theconnectionbetweenthetwohemispheres8.CerebrospinalfluidA)cushionsthebrainB)providesnutrientstothebrainC)connectsthebraintothespinalcordD)AandB9.Theword"integrating"inthefirstparagraphisclosestinmeaningtoA)combiningB)receivingC)controllingD)memorizing10.Theword"voluntary"inthefourthparagraphisclosestinmeaningtoA)involuntaryB)controlledC)consciousD)unconscious11.ThepassageismainlyaboutA)thefunctionsofthebrainB)thestructureofthebrainC)theimportanceofthebrainD)theneuronsinthebrain12.Accordingtothepassage,whichpartofthebrainisresponsibleforlanguage?A)ThecerebellumB)ThebrainstemC)ThelefthemisphereD)Thecorpuscallosum13.WhichofthefollowingisNOTmentionedasafunctionofthebrain?A)ControllingbreathingB)AnalyzingdataC)MaintainingbalanceD)Makingdecisions14.Theword"hemispheres"inthethirdparagraphreferstoA)twopartsofthecerebrumB)twopartsofthecerebellumC)twopartsofthebrainstemD)twopartsofthemeninges15.ThepassagesuggeststhatthecorpuscallosumA)protectsthebrainB)connectsthetwohemispheresC)controlsbasiclifefunctionsD)coordinatesvoluntarymovements16.Theword"posture"inthefourthparagraphisclosestinmeaningtoA)positionB)balanceC)movementD)coordination17.ThepassageindicatesthatthebrainisA)surroundedbyfluidB)protectedbytheskullC)connectedtothespinalcordD)alloftheabove18.ThecerebrumisresponsibleforA)highercognitivefunctionsB)voluntarymovementsC)basiclifefunctionsD)maintainingbalance19.Theword"coordinates"inthefourthparagraphisclosestinmeaningtoA)controlsB)combinesC)allowsD)memorizes20.ThepassageimpliesthatA)thebrainisthecenterofthoughtandemotionB)thebrainstemisthelargestpartofthebrainC)thecerebellumisresponsibleforlanguageD)themeningesprotectthebrainfromshockPartIIGrammarClozeDirections:Thereare20blanksinthefollowingpassage.Foreachblank,thereisonewordorphraseforeachofthefourchoicesmarkedA),B),C)andD).YoushouldchoosetheONEthatbestfitsintothepassage.ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.DearDr.Smith,Iamwritingtoexpressmykeeninterestintheresearchpositioninthedepartmentofbiologythatwasadvertisedonyouruniversitywebsite.WithaMaster'sdegreeinmolecularbiologyandtwoyearsofresearchexperienceingeneticengineering,IbelieveIamwell-qualifiedforthisopportunity.Duringmygraduatestudies,Ifocusedonthestudyofgeneexpressionandregulation.Iconductedexperimentstoinvestigatehowspecificgenesareturnedonoroffinresponsetodifferentenvironmentalstimuli.Myresearchinvolvedtheuseofvariousmolecularbiologytechniques,suchasPCR,gelelectrophoresis,andcloning.Throughtheseexperiments,Igainedadeepunderstandingofthemechanismsunderlyinggeneregulationanddevelopedstrongskillsinlaboratorytechniques.Inadditiontomyresearchexperience,Ihavealsopublishedtwoarticlesinpeer-reviewedjournals.Thefirstarticle,co-authoredwithmysupervisor,waspublishedintheJournalofMolecularBiology.Itdescribedourfindingsontheroleofaspecifictranscriptionfactoringeneexpression.Thesecondarticle,whichIwroteindependently,waspublishedintheJournalofGeneticEngineering.Itpresentedmyresearchonthedevelopmentofanewcloningmethodforefficientgeneinsertion.Iamconfidentthatmyresearchskills,technicalexpertise,andstrongworkethicmakemeasuitablecandidateforthisposition.Iamparticularlyinterestedintheresearchprojectsbeingconductedinyourlab,andIameagertocontributemyskillsandknowledgetoyourteam.Iamalsoveryexcitedabouttheopportunitytocollaboratewithotherresearchersinthedepartmentandtolearnfromtheleadingexpertsinthefield.Thankyouforconsideringmyapplication.Ilookforwardtohearingfromyousoon.Sincerely,LiMing1.advertised2.opportunity3.molecularbiology4.geneticengineering5.keen6.department7.website8.research9.well-qualified10.graduate11.gene12.environmental13.response14.involved15.techniques16.gained17.mechanisms18.strong19.published20.peer-reviewedPartIIISentenceCorrectionDirections:Thereare15sentencesinthefollowingpassage.Eachsentenceismarkedwithanumber.BelowthepassagearefourchoicesmarkedA),B),C)andD)foreachnumber.YoushoulddecideontheONEthatshouldbeinsertedintheblanktomakethesentencecorrect.ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.1.TheauthorisapplyingforapositionthatrequiresaPh.D.degreeandfiveyearsofexperienceinthefield.2.Shehasbeenworkingasaresearchassistantinauniversitylabforthepasttwoyears.3.Hermainresponsibilityistoconductexperiments,analyzedata,andwritereports.4.Shehasalsobeeninvolvedinseveralresearchprojects,includingoneonthedevelopmentofanewdiagnostictestforaspecificdisease.5.Thisprojectinvolvedcollaboratingwithateamofscientistsfromdifferentinstitutions.6.Althoughtheworkischallenging,shefindsitveryrewardingtocontributetoscientificresearch.7.Sheisparticularlyinterestedintheareaofgeneticengineeringbecauseshebelievesithasthepotentialtorevolutionizemedicine.8.Shehasalsoreadseveralarticlesaboutthelatestadvancementsinthisfieldandattendedconferencestolearnmoreabouttheresearchbeingconducted.9.Sheisconfidentthatherskillsandexperiencemakeheragoodcandidateforthisposition.10.Sheiseagertoworkwithateamofexperiencedresearchersandtocontributetotheresearchprojectsinthedepartment.11.Shebelievesthatherbackgroundinmolecularbiologyandherexperienceinresearchwillallowhertomakeasignificantcontributiontothelab.12.Sheisalsoveryinterestedintheopportunitytolearnmoreabouttheresearchbeingconductedinthedepartment.13.Sheisexcitedaboutthepossibilityofworkingwithleadingscientistsandtocontributetocutting-edgeresearch.14.Shehasastronginterestintheresearchbeingconductedinyourlabandiseagertolearnmoreaboutit.15.Sheisconfidentthatshewillbeavaluablememberofyourteamandwillcontributetothesuccessofyourresearchprojects.1.A)requiresB)requiringC)requiredD)requirement2.A)SheB)HerC)TheauthorD)Anauthor3.A)isB)areC)hasbeenD)havebeen4.A)hasbeeninvolvedB)havebeeninvolvedC)hadbeeninvolvedD)wereinvolved5.A)ThisprojectB)TheprojectC)ItD)One6.A)AlthoughtheworkB)TheworkalthoughC)AlthoughD)Workalthough7.A)SheisparticularlyinterestedB)SheparticularlyisinterestedC)SheisinterestedparticularlyD)Particularlyissheinterested8.A)ShehasalsoreadB)ShealsoreadC)AlsohasshereadD)Hasshealsoread9.A)SheisconfidentB)ConfidentissheC)SheconfidentisD)Issheconfident10.A)SheiseagerB)EagerissheC)SheeagerisD)Issheeager11.A)ShebelievesB)BelievessheC)ShebelievesD)Believingshe12.A)SheisalsoveryinterestedB)VeryinterestedissheC)ShealsoisveryinterestedD)Alsoveryissheinterested13.A)SheisexcitedB)ExcitedissheC)SheexcitedisD)Issheexcited14.A)ShehasastronginterestB)HasastronginterestsheC)ShehasastronginterestD)Stronginteresthasshe15.A)SheisconfidentB)ConfidentissheC)SheconfidentisD)Issheconfident试卷答案PartIVocabularySelection1.C解析：根据上下文，第一段描述大脑是一个复杂的器官，控制着身体的大部分活动，整合和处理信息。complex在这里意为“复杂的”，与句意相符。A)simple“简单的”与句意相反；B)important“重要的”不能准确表达复杂程度；D)average“普通的”也不合适。2.D解析：根据第一段，大脑控制身体大部分活动，接收来自感觉器官的信息，并为身体做出决策。因此，A)、B)、C)都是大脑的功能，D)alloftheabove“以上都是”最符合句意。3.B解析：根据第三段，大脑皮层分为左半球和右半球，这两个半球通过胼胝体连接。因此，B)theleftandtherighthemispheres“左右两个半球”是正确答案。4.B解析：根据第三段，左半球通常被认为负责语言和分析任务。因此，B)language“语言”是正确答案。5.A解析：根据第四段，小脑位于大脑皮层下方。因此，A)belowthecerebrum“大脑皮层下方”是正确答案。6.B解析：根据第四段，脑干控制基本生命功能，如呼吸、心率血压。因此，B)basiclifefunctions“基本生命功能”是正确答案。7.A解析：根据第五段，脑膜是包裹大脑的三层膜。因此，A)layersofmembranessurroundingthebrain“包裹大脑的膜层”是正确答案。8.D解析：根据第五段，脑脊液缓冲大脑并为其提供营养。因此，D)AandB“缓冲和提供营养”是正确答案。9.A解析：根据第一段，integrating在这里意为“整合”，与句意相符。A)combining“结合”与句意相符；B)receiving“接收”只是大脑功能的一部分；C)controlling“控制”和D)memorizing“记忆”都不全面。10.C解析：根据第四段，voluntary在这里意为“有意识的”，与句意相符。C)conscious“有意识的”与句意相符；A)involuntary“无意识的”；B)controlled“受控制的”；D)unconscious“无意识的”都与句意不符。11.A解析：通读全文，文章主要介绍了大脑的功能，包括控制身体活动、处理信息、做决策、思考、记忆、想象力等。因此，A)thefunctionsofthebrain“大脑的功能”是正确答案。12.C解析：根据第三段，左半球通常被认为负责语言。因此，C)Thelefthemisphere“左半球”是正确答案。13.B解析：根据文章内容，大脑的功能包括控制呼吸（A）、分析数据（B，属于认知功能）、维持平衡（C）、做决策（D）。因此，B)Analyzingdata“分析数据”不是大脑的功能。14.A解析：根据第三段，hemispheres在这里指大脑皮层的左右两个半球。因此，A)twopartsofthecerebrum“大脑皮层的两个部分”是正确答案。15.B解析：根据第三段，胼胝体连接两个半球。因此，B)connectsthetwohemispheres“连接两个半球”是正确答案。16.A解析：根据第四段，posture在这里意为“姿势”，与句意相符。A)position“姿势”与句意相符；B)balance“平衡”；C)movement“运动”；D)coordination“协调”都不准确。17.D解析：根据第五段，大脑被颅骨保护，被脑膜包围，浸泡在脑脊液中。因此，D)alloftheabove“以上都是”是正确答案。18.A解析：根据第四段，大脑皮层负责高级认知功能。因此，A)highercognitivefunctions“高级认知功能”是正确答案。19.A解析：根据第四段，coordinates在这里意为“协调”，与句意相符。A)controls“控制”与句意相符；B)combines“结合”；C)allows“允许”；D)memorizes“记忆”都不准确。20.A解析：根据第一段最后一句，大脑是思想、情感、记忆和想象力的中心。因此，A)thebrainisthecenterofthoughtandemotion“大脑是思想和情感的中心”是正确答案。PartIIGrammarCloze1.A解析：advertisements是名词，这里需要一个形容词修饰它，advertised意为“被广告的”，符合句意。2.opportunity解析：这里需要一个名词作宾语，opportunity意为“机会”，符合句意。3.molecularbiology解析：这里需要一个名词短语作宾语，molecularbiology意为“分子生物学”，符合句意。4.geneticengineering解析：这里需要一个名词短语作宾语，geneticengineering意为“基因工程”，符合句意。5.keen解析：这里需要一个形容词作表语，keen意为“热切