2026部编版八年级英语单元测试试卷及答案

2026部编版八年级英语单元测试试卷及答案第1页共1页2026部编版八年级英语单元测试试卷及答案一、单项选择题（共10小题，每题2分）1.Whatdoes"unusual"meaninthesentence"Itwasunusualforhimtobelateforschool."?A.NormalB.ExpectedC.RareD.Common参考答案：C2.Whichofthefollowingisacorrectwaytoformthepasttenseof"play"?A.PlayedB.PlayedC.PlaysD.Playing参考答案：A3.Inthesentence"Sheisreadingabook,"whatisthefunctionof"abook"?A.SubjectB.VerbC.ObjectD.Adjective参考答案：C4.Whichwordbestcompletesthesentence"Iaminterestedin_______music."?A.PlayB.PlayingC.PlayedD.Plays参考答案：B5.Whatisthecorrectformoftheverb"togo"inthepresentperfecttense?A.GaveB.GivenC.HavegoneD.Hasgone参考答案：C6.Whichsentenceusesthecorrectcomparativeform?A.HeistallerthanI.B.Sheismoretallthanhim.C.Thisisthemostbeautifulflower.D.Yourcarismoreexpensivethanmine.参考答案：A7.WhatisthecorrectwaytoaskforthetimeinEnglish?A.Whattimeisit?B.Howtimeisit?C.Whathourisit?D.Howmanyminutesisit?参考答案：A8.Whichwordisaconjunction?A.BecauseB.VeryC.GoodD.Fast参考答案：A9.Whatisthecorrectwaytosay"Ihaveabrotherandasister"inthepluralform?A.Ihavebrothersandsisters.B.Ihavebrotherandsister.C.Ihaveabrotherandasister.D.Ihaveabrotherandsisters.参考答案：A10.Whichsentenceisaquestion?A.Thecatisonthetable.B.Isthecatonthetable?C.Thecatonthetableiscute.D.Catontable.参考答案：B二、填空题（共10小题，每题2分）1.Theboyoftenplaysfootball______theparkeveryafternoon.参考答案：in2.Mysisteris______thanme.ShecanspeakEnglishverywell.参考答案：better3.Therearemanybooksonthe______ofthedesk.参考答案：top4.Weshould______wastepaperandsavetrees.参考答案：recycle5.Thegirlinblueis______studentinourclass.参考答案：a6.Hegoestoschool______footeveryday.参考答案：on7.Myfatherboughtanewcarformymother's______birthday.参考答案：mother's8.Thecatissleeping______thetable.参考答案：under9.I______tothelibraryyesterdayafternoon.参考答案：went10.Canyouswim?Yes,I______.参考答案：can三、判断题（共10小题，每题2分）1.Theverb"go"isusedtoexpressmovementfromoneplacetoanother.参考答案：√2.Inthesentence"Sheisreadingabook,"theword"reading"isanoun.参考答案：×3.Thepasttenseof"see"is"saw."参考答案：√4.Theword"beautiful"isanadjective.参考答案：√5.Inthesentence"Ihaveapen,"theverb"have"isinthepresentperfecttense.参考答案：×6.Theword"quickly"isanadverb.参考答案：√7.Thepastparticipleof"eat"is"eaten."参考答案：√8.Theword"table"isanoun.参考答案：√9.Inthesentence"Theywenttothepark,"theverb"went"isinthesimplepasttense.参考答案：√10.Theword"happy"isanadverb.参考答案：×四、简答题（共8小题，每题2分）1.请简述一般现在时的主要用法。参考答案：一般现在时主要用来表示经常性、习惯性的动作或状态，描述客观事实、普遍真理、格言等。2.Howdoyouusuallyspendyourweekend?参考答案：IusuallywatchTV,readbooks,orgoshoppingwithmyfamilyonweekends./Iusuallyspendmyweekendrelaxingathome.3.请列举三种常见的情态动词及其基本用法。参考答案：Can,may,must.Can表示能力或允许，如“Icanswim.”（我会游泳。）；may表示可能性或请求允许，如“MayIborrowyourpen?”（我可以借你的笔吗？）；must表示必须或强烈的义务，如“Youmustfinishyourhomework.”（你必须完成作业。）4.Whatdoes"lookforwardto"meanandhowisitused?参考答案：“Lookforwardto”意为“期待”，后接名词或动名词（doingsth.）。5.请简述现在进行时的构成和主要用法。参考答案：构成：be动词（am/is/are）+现在分词（-ing形式）。主要用法：表示正在进行的动作，常与now,atthemoment等连用；表示按计划即将发生的动作，常与将来时间状语连用；表示现阶段正在进行的趋势或变化。6.WhyisitimportanttolearnEnglishinthe21stcentury?参考答案：Inthe21stcentury,Englishisthegloballinguafranca,essentialforinternationalcommunication,education,andcareerdevelopment.LearningEnglishhelpspeopleaccessglobalinformation,enhancesculturalunderstanding,andimprovesjobopportunities.7.HowcanyoumakeyourEnglishwritingmoreinteresting?参考答案：TomakeEnglishwritingmoreinteresting,usevividadjectivesandadverbs,employavarietyofsentencestructures(simple,compound,complex),includedescriptivedetails,andshowemotionsorthoughts.8.请说明被动语态的构成和用法。参考答案：构成：be动词（am/is/are）+及物动词的过去分词（done）。用法：表示被动意义，主语是动作的承受者；常用于被动语态句中，强调动作而非施动者；可用于各种时态。五、阅读理解题（共8小题，每题3分）Theschoolsciencefairisagreatopportunityforstudentstoshowtheircreativityandscientificknowledge.Thisyear,thefairisfocusingonenvironmentalscience.Manystudentsareparticipatingwithprojectsthataimtohelptheenvironment.LiHuaisastudentinClass8.Heisveryinterestedinplants.Forhisproject,hedecidedtogrowvegetablesusingonlysunlightandwater.Hebuiltasmallgreenhouseinhisbackyardandplantedvariousvegetablesliketomatoes,lettuce,andcucumbers.LiHuameasuredtheamountofsunlighteachplantreceivedandmadesuretheyhadenoughwater.Hekeptadetailedjournalofhisobservationsandexperiments.WangMei,anotherstudentinClass8,focusedonrecycling.Shecreatedamodelofarecyclingplant.Herprojectshowedhowdifferenttypesofwastecanbesortedandprocessedtobeturnedintonewmaterials.WangMeialsotaughtherclassmatesabouttheimportanceofrecyclingandhowtheycanhelpprotecttheenvironmentintheirdailylives.BothLiHuaandWangMeiworkedhardontheirprojects.Theypresentedtheirworkatthesciencefairandreceivedmanycompliments.Thejudgeswereimpressedbytheircreativityandunderstandingofenvironmentalscience.LiHuaandWangMeiwereawardedfirstplaceinthesciencefair.A.Whatisthemaintopicofthepassage?1.A.ThehistoryofsciencefairsB.TheimportanceofenvironmentalscienceC.TheprojectsofLiHuaandWangMeiD.ThewinnersofthesciencefairB.WhydidLiHuachoosetogrowvegetables?参考答案：B2.A.BecausehewantedtosellthemB.BecauseheisinterestedinplantsC.BecausehisteacheraskedhimtoD.BecausetheyareeasytogrowC.WhatdidWangMeicreateforthesciencefair?参考答案：B3.A.AmodelofarecyclingplantB.AgreenhouseC.AcollectionofvegetablesD.AjournalofobservationsD.HowdidLiHuamakesurehisplantsgrewwell?参考答案：A4.A.BygivingthemspecialsoilB.BymeasuringthesunlightandwaterC.ByusingfertilizersD.ByplantingtheminagardenE.WhatdidthejudgesthinkofLiHuaandWangMei'sprojects?参考答案：B5.A.TheythoughttheprojectswereboringB.TheywereimpressedbytheircreativityC.TheydidnotliketheprojectsD.TheythoughttheprojectsweretoodifficultF.Whatisthepurposeofthesciencefair?参考答案：B6.A.Toshowoffstudents'knowledgeB.ToteachstudentsaboutrecyclingC.TohelpstudentsmakemoneyD.ToletstudentscompeteagainsteachotherG.Accordingtothepassage,whatcanstudentslearnfromthesciencefair?参考答案：A7.A.TheycanlearnabouthistoryB.TheycanlearnaboutenvironmentalscienceC.TheycanlearnhowtogrowvegetablesD.TheycanlearnhowtobuildgreenhousesH.WhichofthefollowingisNOTmentionedinthepassage?参考答案：B8.A.TheimportanceofrecyclingB.TheuseofsunlightandwaterforplantsC.ThehistoryofsciencefairsD.Thetypesofwastethatcanberecycled参考答案：C标准答案与解析一、单项选择题1.参考答案：C解析：Theword"unusual"inthesentence"Itwasunusualforhimtobelateforschool"means"rare"or"notcommon."Thesentenceimpliesthatitisrareforhimtobelate,indicatingthatheusuallyarrivesontime.OptionA"Normal"meanscommon,whichcontradictsthemeaning.OptionB"Expected"meansanticipated,whichdoesnotfitthecontext.OptionD"Common"alsomeansfrequent,whichistheoppositeofunusual.Therefore,thecorrectanswerisC"Rare."2.参考答案：A解析：Thepasttenseoftheverb"play"isformedcorrectlyas"played."ThepasttenseofregularverbsinEnglishisformedbyadding"-ed"tothebaseform.OptionB"Played"isincorrectbecausetheverb"play"isirregularanddoesnotfollowtheregularpasttensepattern.OptionC"Plays"isthethird-personsingularpresenttenseform.OptionD"Playing"isthepresentparticipleform.Therefore,thecorrectanswerisA"Played."3.参考答案：C解析：Inthesentence"Sheisreadingabook,""abook"istheobjectoftheverb"reading."Thesubjectis"She,"and"readingabook"istheactionsheisperforming.OptionA"Subject"isincorrectbecausethesubjectis"She."OptionB"Verb"isincorrectbecause"reading"isapresentparticiple,notthemainverb.OptionD"Adjective"isincorrectbecause"abook"isanoun,notanadjective.Therefore,thecorrectanswerisC"Object."4.参考答案：B解析：Thecorrectwaytocompletethesentence"Iaminterestedin_______music"is"Playing."Thephrase"interestedin"isfollowedbyagerund(the-ingformofaverbusedasanoun).OptionA"Play"isthebaseformoftheverb,whichdoesnotfitthestructure.OptionC"Played"isthepasttense,whichdoesnotfitthecontext.OptionD"Plays"isthethird-personsingularpresenttense,whichdoesnotfitthestructure.Therefore,thecorrectanswerisB"Playing."5.参考答案：C解析：Thecorrectformoftheverb"togo"inthepresentperfecttenseis"havegone."Thepresentperfecttenseisformedwiththeauxiliaryverb"have"or"has"plusthepastparticipleofthemainverb.OptionA"Gave"isthepasttenseof"give."OptionB"Given"isthepastparticipleof"give."OptionD"Hasgone"isusedwiththethird-personsingularsubject,butthesubjectisnotspecifiedinthesentence.Therefore,thecorrectanswerisC"Havegone."6.参考答案：A解析：Thesentence"HeistallerthanI"usesthecorrectcomparativeform.Thecomparativeformisusedtocomparetwothings.OptionB"Sheismoretallthanhim"isincorrectbecause"tall"shouldnotbeusedwith"more"inthiscontext.OptionC"Thisisthemostbeautifulflower"usesthesuperlativeform,whichisnotappropriateforthecomparison.OptionD"Yourcarismoreexpensivethanmine"isgrammaticallycorrectbutnotthebestfitforthequestion.Therefore,thecorrectanswerisA"HeistallerthanI."7.参考答案：A解析：ThecorrectwaytoaskforthetimeinEnglishis"Whattimeisit?"OptionB"Howtimeisit?"isincorrectbecause"how"isnotusedthiswayinEnglish.OptionC"Whathourisit?"isincorrectbecause"hour"isnotusedinthiscontext.OptionD"Howmanyminutesisit?"isincorrectbecauseitasksforthenumberofminutes,notthetime.Therefore,thecorrectanswerisA"Whattimeisit?"8.参考答案：A解析：Theword"because"isaconjunction.Conjunctionsarewordsthatconnectwords,phrases,orclauses.OptionB"Very"isanadverb.OptionC"Good"isanadjective.OptionD"Fast"isanadjective.Therefore,thecorrectanswerisA"Because."9.参考答案：A解析：Thecorrectwaytosay"Ihaveabrotherandasister"inthepluralformis"Ihavebrothersandsisters."Thepluralformof"brother"is"brothers,"andthepluralformof"sister"is"sisters."OptionB"Ihavebrotherandsister"isincorrectbecauseitdoesnotusethepluralforms.OptionC"Ihaveabrotherandasister"isthesingularform.OptionD"Ihaveabrotherandsisters"isincorrectbecauseitmixessingularandpluralforms.Therefore,thecorrectanswerisA"Ihavebrothersandsisters."10.参考答案：B解析：Thesentence"Isthecatonthetable?"isaquestion.QuestionsinEnglishareformedbyusinganauxiliaryverb(suchas"is,""are,""do,""does,""will")followedbythesubjectandthemainverbinthebaseform.OptionA"Thecatisonthetable"isastatement.OptionC"Thecatonthetableiscute"isastatement.OptionD"Catontable"isnotacompletesentence.Therefore,thecorrectanswerisB"Isthecatonthetable?"二、填空题1.参考答案：in解析：考查介词。根据句意“那个男孩经常每天下午在公园踢足球”，表示在某个地方，应用介词in。2.参考答案：better解析：考查形容词比较级。根据句意“我的姐姐比我强。她英语说得很好”，比较两者能力，应用better。3.参考答案：top解析：考查名词。根据句意“桌子上有很多书”，指桌子顶部，应用top。4.参考答案：recycle解析：考查动词。根据句意“我们应该回收废纸节约树木”，动词形式，应用recycle。5.参考答案：a解析：考查冠词。根据句意“穿蓝色衣服的女孩是我们班的学生”，泛指一个学生，应用不定冠词a。6.参考答案：on解析：考查介词。根据句意“他每天走路去上学”，表示方式，应用onfoot，固定搭配。7.参考答案：mother's解析：考查名词所有格。根据句意“我父亲给我妈妈买了一件新车”，表示所属关系，应用mother's。8.参考答案：under解析：考查介词。根据句意“猫正在桌子下面睡觉”，表示在物体下方，应用under。9.参考答案：went解析：考查动词时态。根据句意“我昨天下午去了图书馆”，表示过去发生的动作，应用一般过去时went。10.参考答案：can解析：考查情态动词。根据句意“你会游泳吗？是的，我会。”，表示能力，应用can。三、判断题1.参考答案：√解析：Theverb"go"iscommonlyusedtoindicatemovementfromonelocationtoanother,suchas"Igotoschooleveryday."Thisusagealignswiththedefinitionprovidedinthestatement.2.参考答案：×解析：Inthesentence"Sheisreadingabook,"theword"reading"isapresentparticipleactingaspartofthecontinuoustense,notanoun.Anounwouldbeastandalonewordrepresentingaperson,place,thing,oridea.3.参考答案：√解析："See"isanirregularverb,anditspasttenseformisindeed"saw,"asshowninsentenceslike"Isawabirdyesterday."4.参考答案：√解析："Beautiful"isanadjectivebecauseitdescribesthenounitmodifies,suchasin"Theflowerisbeautiful."5.参考答案：×解析：Inthesentence"Ihaveapen,"theverb"have"isinthepresentsimpletense,notthepresentperfecttense.Thepresentperfecttensewouldbe"Ihavehadapen."6.参考答案：√解析："Quickly"isanadverbthatmodifiesverbs,adjectives,orotheradverbs,asin"Sherunsquickly."7.参考答案：√解析："Eat"isanirregularverb,anditspastparticipleformis"eaten,"asseeninsentenceslike"Theyhaveeatendinner."8.参考答案：√解析："Table"isanounthatreferstoapieceoffurnitureoralistofinformation,asin"Thetableisinthediningroom."9.参考答案：√解析："Went"isthesimplepasttenseformoftheirregularverb"go,"asusedinthesentence"Theywenttothepark."10.参考答案：×解析："Happy"isanadjective,notanadverb.Itdescribesnouns,suchas"Sheishappy,"but"happily"wouldbetheadverbform,asin"Sherunshappily."四、简答题1.参考答案：一般现在时主要用来表示经常性、习惯性的动作或状态，描述客观事实、普遍真理、格言等。解析：一般现在时是英语时态中基础且重要的时态之一，其构成形式为动词原形（第三人称单数加-s/es），常与表示频率的时间状语如always,usually,often,sometimes,everyday等连用。例如，“HeplaysfootballeverySunday.”（他每周日踢足球。）此句体现了习惯性动作。此外，它也用于陈述不受时间限制的客观事实，如“Waterboilsat100degreesCelsius.”（水在100摄氏度沸腾。）这类事实不受说话时间影响，是永恒真理。在描述性格、能力等状态时也常用，如“Iamastudent.”（我是一名学生。）一般现在时的使用场景广泛，是日常交流和书面语中不可或缺的时态。2.参考答案：IusuallywatchTV,readbooks,orgoshoppingwithmyfamilyonweekends./Iusuallyspendmyweekendrelaxingathome.解析：此题考查一般现在时描述周末习惯性活动的用法。回答时需使用一般现在时，并结合具体活动内容。例如，“IusuallywatchTV,readbooks,orgoshoppingwithmyfamilyonweekends.”（我周末通常看电视、看书或和家人购物。）或简洁回答“Iusuallyspendmyweekendrelaxingathome.”（我周末通常在家放松。）这类回答符合一般现在时表示习惯性动作的特点，且内容具体，符合题干问法。注意动词形式需根据主语调整，如“Igo”，“wego”等。3.参考答案：Can,may,must.Can表示能力或允许，如“Icanswim.”（我会游泳。）；may表示可能性或请求允许，如“MayIborrowyourpen?”（我可以借你的笔吗？）；must表示必须或强烈的义务，如“Youmustfinishyourhomework.”（你必须完成作业。）解析：情态动词是英语中特殊的动词，本身不能独立作谓语，需与动词原形连用。本题列举的三种常见情态动词各有侧重：can用于能力或请求许可，如“Canyouhelpme?”（你能帮帮我吗？）；may用于可能性较低的建议或正式场合的许可，如“Youmayleavenow.”（你现在可以离开了。）；must用于必须做的事或强烈的观点，如“Mustwearrivebefore8?”（我们必须在8点前到吗？）情态动词后接动词原形，无第三人称变化，这是其重要特征。4.参考答案：“Lookforwardto”意为“期待”，后接名词或动名词（doingsth.）。解析：固定短语“lookforwardto”是英语中常见的表达期待某事的短语，其结构固定，后必须跟名词或动名词形式。例如，“Ilookforwardtoyourreply.”（我期待您的回复。）此处跟名词“reply”；又如，“Shelooksforwardtoseeingyousoon.”（她期待很快见到你。）此处跟动名词“seeing”。注意不能直接跟动词原形，如错误用法“Ilookforwardtoreply.”，这是初学者常见错误。掌握此短语有助于丰富表达，准确传达期待的情感。5.参考答案：构成：be动词（am/is/are）+现在分词（-ing形式）。主要用法：表示正在进行的动作，常与now,atthemoment等连用；表示按计划即将发生的动作，常与将来时间状语连用；表示现阶段正在进行的趋势或变化。解析：现在进行时是描述“此时此刻”正在发生的动作或“现阶段”正在进行的趋势的时态。其构成简单，只需在be动词后加动词的-ing形式。例如，“Heisreadingabooknow.”（他现在正在看书。）表示实时动作。又如，“Wearebuildinganewschoolnextmonth.”（我们下个月正在建一所新学校。）表示按计划即将发生的动作。此外，它还常用于描述现阶段的变化趋势，如“Theeconomyisimproving.”（经济正在好转。）现在进行时的使用场景多样，是英语中常用的时态之一。6.参考答案：Inthe21stcentury,Englishisthegloballinguafranca,essentialforinternationalcommunication,education,andcareerdevelopment.LearningEnglishhelpspeopleaccessglobalinformation,enhancesculturalunderstanding,andimprovesjobopportunities.解析：此题考查英语学习重要性的分析，需结合时代背景展开论述。回答时应从全球化、信息交流、职业发展等多个角度说明英语的重要性。例如，“Inthe21stcentury,Englishisthegloballinguafranca,essentialforinternation