2026北师大版八年级英语单元测试试卷及答案

2026北师大版八年级英语单元测试试卷及答案第1页共1页2026北师大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.GoneD.Going参考答案：C6.Inthesentence"Thecatissleepingonthecouch,"whatisthepreposition?A.CatB.SleepingC.OnD.Couch参考答案：C7.Whichofthefollowingisacorrectuseofthepresentcontinuoustense?A.Hegotoschooleveryday.B.SheiswatchTVnow.C.Theywillplayfootballtomorrow.D.Iamatebreakfast.参考答案：B8.Whatisthecorrectwaytosay"Ihaveabrotherandtwosisters"inFrench?A.J'aiunfrèreetdeuxsœurs.B.J'aiunfrèreetdeuxsœurs.C.J'aiunfrèreetdeuxsœurs.D.J'aiunfrèreetdeuxsœurs.参考答案：A9.Whichwordisanadverbinthesentence"Shesingsbeautifully"?A.SheB.SingsC.BeautifullyD.Sing参考答案：C10.Whatisthecorrectwaytoask"Howoldareyou?"inSpanish?A.¿Cuántosañostienes?B.¿Cómoestás?C.¿Cuántosañostienes?D.¿Quétegustahacer?参考答案：A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.Thecatissleeping______thetable.参考答案：under6.Igotoschool______footeveryday.参考答案：on7.Myfatherisateacher.Heworksina______school.参考答案：primary8.Sheis______student.Shestudieshardeveryday.参考答案：an9.TheweatherinBeijingisusually______inwinter.参考答案：cold10.Canyouswim?Yes,Icanswim______.参考答案：well三、判断题（共10小题，每题2分）1.Theverb"go"isusedtoexpressmovementfromoneplacetoanother.参考答案：√2.Inthesentence"Sheisreadingabook,""isreading"isapresentcontinuoustenseform.参考答案：√3.Theword"beautiful"isanadjective.参考答案：√4."Couldyoupleasepassmethesalt?"isanexampleofapoliterequestinEnglish.参考答案：√5.Thepasttenseof"go"is"went."参考答案：√6.Theword"library"isanoun.参考答案：√7.Inthesentence"Theyhaveeatendinner,""haveeaten"isapresentperfecttenseform.参考答案：√8.Theword"quickly"isanadverb.参考答案：√9."Iamgoingtothestoretomorrow"isanexampleofafutureplan.参考答案：√10.Thepastparticipleof"see"is"seen."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、固定安排等。2.Howdoyouusuallyspendyourweekend?参考答案：IusuallywatchTV,readbooks,orgoshoppingwithmyfriends.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表示可能性或请求许可，如"MayIuseyourphone?"（我可以用一下你的手机吗）；must表示必须或强烈义务，如"Youmustfinishyourhomework"（你必须完成作业）。4.Whatdoesthephrase"lookforwardto"meanandhowisitused?参考答案："Lookforwardto"meanstofeelhappyandexcitedaboutsomethingthatwillhappeninthefuture.Itisfollowedbyanounoragerund(verbendingin-ing).Forexample,"Ilookforwardtoyourvisit"or"Shelooksforwardtoswimminginthelake."5.WhyisitimportanttolearnEnglishinthe21stcentury?参考答案：LearningEnglishisimportantbecauseitisthemostwidelyspokenlanguageintheworld,facilitatinginternationalcommunication.Italsoopensupmorejobopportunitiesandhelpsunderstanddifferentcultures.6.Canyoudescribethedifferencebetween"alotof"and"many"?参考答案："Alotof"canbeusedwithbothcountableanduncountablenouns,while"many"canonlybeusedwithcountablenouns.Forexample,"alotofbooks"(可数)vs."manybooks"(可数),but"alotofwater"(不可数)vs."manywater"(错误).7.Whatisthefunctionofthemodalverb"must"inasentence?参考答案：Themodalverb"must"expressesstrongnecessityorobligation,indicatingthatsomethingmustbedone.Forexample,"Youmustfinishyourhomework"meansthereisnochoicebuttocompleteit.8.HowwouldyouexplainthepresentperfecttensetosomeonewhohasneverlearnedEnglishbefore?参考答案：Thepresentperfecttenseconnectsthepastandthepresent,showinganactionthatstartedinthepastandcontinuestothepresent,oranactionthathappenedatanunspecifiedtimeinthepast.Forexample,"Ihavelivedhereforfiveyears"(continuingaction)or"IhavevisitedParis"(unspecifiedpastaction).五、阅读理解题（共8小题，每题3分）Theschoolsciencefairisagreatopportunityforstudentstoshowtheircreativityandscientificknowledge.Thisyear,thefairisfocusingonenvironmentalscience.Manystudentsareparticipatingwithprojectsthataimtohelptheenvironment.LiHuaisastudentinClass8.Heisveryinterestedinplants.Forhisproject,hedecidedtogrowvegetablesusingonlysunlightandwater.Hebuiltasmallgreenhouseinhisbackyardandplantedtomatoseeds.Hemeasuredtheamountofsunlighteachdayandwateredtheplantsregularly.Aftertwomonths,histomatoesgrewverywellandwerereadytobeharvested.LiHuawasveryhappywithhisprojectandpresenteditatthesciencefair.Hisprojectwonfirstprizebecauseitwasbothinnovativeandenvironmentallyfriendly.WangMeiisanotherstudentinClass8.Sheisconcernedaboutplasticpollution.Forherproject,shecreatedamodelofarecyclingbinthatcansortdifferenttypesofplastic.Sheusedcardboard,glue,andplasticbottlestomakethemodel.Shealsowroteareportexplaininghowtherecyclingbinworksandhowitcanhelpreduceplasticwaste.WangMei'sprojectwasveryinformativeandwonsecondprizeatthesciencefair.AgroupofstudentsfromClass7alsoparticipatedinthesciencefair.Theyareinterestedinrenewableenergy.Theirprojectwastobuildasmallsolar-poweredcar.Theyusedsolarpanels,asmallmotor,andatoycarbodytomakethecar.Theytestedthecarintheschoolyardanditworkedwell.Thegrouppresentedtheirprojectatthesciencefairandwonthirdprize.Theirprojectshowedhowsolarenergycanbeusedfortransportation.1.Whatisthemaintopicofthepassage?A.ThehistoryofsciencefairsB.EnvironmentalscienceprojectsC.ThewinnersofthesciencefairD.Howtogrowvegetables参考答案：B2.WhydidLiHuachoosetogrowvegetablesusingonlysunlightandwater?A.BecausehewantedtoprovethatvegetablescangrowwithoutsoilB.BecausehewantedtosavemoneyonbuyingvegetablesC.BecausehewantedtoshowhowplantscangrowinacontrolledenvironmentD.Becausehewantedtoexperimentwithdifferenttypesofvegetables参考答案：C3.WhatmaterialsdidWangMeiusetomakeherrecyclingbinmodel?A.Cardboard,glue,andplasticbottlesB.Wood,metal,andglassC.Paper,plastic,andfabricD.Rocks,sand,andsoil参考答案：A4.Whatwasthepurposeofthesolar-poweredcarproject?A.ToshowhowsolarenergycanbeusedfortransportationB.TodemonstratethefastestspeedofatoycarC.ToteachstudentsaboutsolarpanelsD.Tocomparedifferenttypesofrenewableenergy参考答案：A5.HowlongdidittakeLiHuatogrowhistomatoes?A.OneweekB.TwomonthsC.ThreemonthsD.Sixmonths参考答案：B6.WhatdidthegroupofstudentsfromClass7usetobuildtheirsolar-poweredcar?A.Solarpanels,asmallmotor,andatoycarbodyB.Batteries,wires,andatoycarbodyC.Wood,metal,andplasticD.Rocks,sand,andwater参考答案：A7.WhydidLiHua'sprojectwinfirstprizeatthesciencefair?A.BecausehistomatoeswerethelargestB.BecausehisprojectwasbothinnovativeandenvironmentallyfriendlyC.BecauseheworkedthehardestonhisprojectD.Becausehisprojectwasthemostexpensive参考答案：B8.WhatdidWangMeiwriteaspartofherproject?A.AlettertotheschoolprincipalB.AreportexplaininghowtherecyclingbinworksC.ApoemabouttheenvironmentD.Alistofmaterialsusedintheproject参考答案：B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,indicatingthatheisusuallyontime.OptionA"Normal"meanscommon,whichcontradictsthemeaning.OptionB"Expected"meansanticipated,whichdoesnotfitthecontext.OptionD"Common"alsomeansfrequent,whichistheoppositeofunusual.Therefore,thecorrectanswerisC"Rare."2.参考答案：A解析：Thepasttenseof"play"is"played."Thecorrectformationofthepasttenseforregularverbsendingin-yistochangethe-yto-ied.OptionB"Played"isincorrectbecausethe-yisnotchangedto-ied.OptionC"Plays"isthepresenttense.OptionD"Playing"isthepresentparticiple.Therefore,thecorrectanswerisA"Played."3.参考答案：C解析：Inthesentence"Sheisreadingabook,""abook"istheobjectoftheverb"isreading."Thesubjectis"She,"and"readingabook"istheactionsheisperforming.OptionA"Subject"isincorrectbecausethesubjectis"She."OptionB"Verb"isincorrectbecausetheverbis"isreading."OptionD"Adjective"isincorrectbecause"abook"isnotdescribinganynoun.Therefore,thecorrectanswerisC"Object."4.参考答案：B解析：Thecorrectwordtocompletethesentence"Iaminterestedin_______music"is"playing."Thephrase"interestedin"requiresagerund(verbendingin-ing)tofollowit.OptionA"Play"isthebaseformoftheverb.OptionC"Played"isthepasttense.OptionD"Plays"isthethird-personsingularpresenttense.Therefore,thecorrectanswerisB"Playing."5.参考答案：C解析：Thecorrectformoftheverb"togo"inthepresentperfecttenseis"gone."Thepresentperfecttenseisformedwiththeauxiliaryverb"have"or"has"followedbythepastparticipleofthemainverb.OptionA"Gave"isthepasttenseof"give."OptionB"Given"isthepastparticipleof"give,"not"go."OptionD"Going"isthepresentparticiple.Therefore,thecorrectanswerisC"Gone."6.参考答案：C解析：Inthesentence"Thecatissleepingonthecouch,"theprepositionis"on."Aprepositionshowstherelationshipbetweenanounorpronounandotherwordsinthesentence.OptionA"Cat"isthesubject.OptionB"Sleeping"isthepresentparticiple.OptionD"Couch"istheobjectofthepreposition.Therefore,thecorrectanswerisC"On."7.参考答案：B解析：Thecorrectuseofthepresentcontinuoustenseis"SheiswatchTVnow."Thepresentcontinuoustenseisformedwiththepresenttenseof"tobe"followedbythepresentparticipleofthemainverb.OptionA"Hegotoschooleveryday"isincorrectbecauseitshouldbe"Hegoes."OptionC"Theywillplayfootballtomorrow"isthefuturetense.OptionD"Iamatebreakfast"isincorrectbecauseitshouldbe"Iameating."Therefore,thecorrectanswerisB"SheiswatchTVnow."8.参考答案：A解析：Thecorrectwaytosay"Ihaveabrotherandtwosisters"inFrenchis"J'aiunfrèreetdeuxsœurs."OptionB,C,andDareincorrectbecausetheyareeitherrepeatedorgrammaticallyincorrect.Therefore,thecorrectanswerisA"J'aiunfrèreetdeuxsœurs."9.参考答案：C解析：Theadverbinthesentence"Shesingsbeautifully"is"beautifully."Adverbsmodifyverbs,adjectives,orotheradverbs.OptionA"She"isthesubject.OptionB"Sings"istheverb.OptionD"Sing"isthebaseformoftheverb.Therefore,thecorrectanswerisC"Beautifully."10.参考答案：A解析：Thecorrectwaytoask"Howoldareyou?"inSpanishis"¿Cuántosañostienes?"OptionB"¿Cómoestás?"means"Howareyou?"OptionCandDareincorrectbecausetheyarerepeated.Therefore,thecorrectanswerisA"¿Cuántosañostienes?"二、填空题1.参考答案：in解析：本题考查介词用法。根据句意“那个男孩每天下午经常在公园踢足球”，表示在某个地方进行活动，应使用介词in。若使用on，则表示在公园的表面上，与句意不符。2.参考答案：better解析：本题考查形容词比较级。根据句意“我的姐姐比我好，她英语说得很好”，比较我和姐姐的能力，应使用形容词比较级better。若使用good，则与thanme搭配不当。3.参考答案：top解析：本题考查名词。根据句意“桌子上有很多书”，表示在桌子的顶部，应使用top。若使用surface，则表示桌子表面，不够准确。4.参考答案：recycle解析：本题考查动词。根据句意“我们应该回收废纸并节约树木”，表示回收利用，应使用recycle。若使用throwaway，则表示扔掉，与环保主题不符。5.参考答案：under解析：本题考查介词用法。根据句意“猫正在桌子下面睡觉”，表示在某个物体的下方，应使用under。若使用on，则表示在桌子上，与句意不符。6.参考答案：on解析：本题考查介词用法。根据句意“我每天走路去上学”，表示使用某种方式出行，应使用on。若使用by，则表示乘坐某种交通工具，与句意不符。7.参考答案：primary解析：本题考查形容词。根据句意“我的父亲是一名教师。他在一所小学工作”，表示初级教育学校，应使用primary。若使用middle，则表示中学，与句意不符。8.参考答案：an解析：本题考查冠词用法。根据句意“她是一名学生。她每天努力学习”，表示泛指一名学生，应使用不定冠词an。若使用a，则发音不符合英语习惯。9.参考答案：cold解析：本题考查形容词。根据句意“北京的天气在冬天通常很冷”，表示天气状况，应使用cold。若使用cool，则表示凉爽，与句意不符。10.参考答案：well解析：本题考查副词。根据句意“你会游泳吗？是的，我会游泳”，表示游泳的能力，应使用副词well。若使用good，则与swim搭配不当。三、判断题1.参考答案：√解析：Theverb"go"iscommonlyusedtoindicatemovementfromonelocationtoanother,suchas"Igotoschooleveryday."Thisusagealignswiththedefinitionprovidedinthestatement.2.参考答案：√解析：Thephrase"isreading"isindeedaformofthepresentcontinuoustense,whichisusedtodescribeanactionhappeningatthemomentofspeakingoranongoingaction.Theexamplesentencecorrectlydemonstratesthistense.3.参考答案：√解析："Beautiful"isanadjectivebecauseitdescribesanoun,suchas"abeautifulflower."Adjectivesmodifynounsbyprovidingmoreinformationabouttheirqualities.4.参考答案：√解析："Couldyoupleasepassmethesalt?"isapoliterequestbecauseitusesthemodalverb"could"tomaketherequestsofterandmorecourteouscomparedtousing"can."5.参考答案：√解析："Went"isthecorrectpasttenseformoftheverb"go."Forexample,"Iwenttotheparkyesterday."6.参考答案：√解析："Library"isanounbecauseitreferstoaplacewherebooksandothermaterialsarekeptforpeopletoreadorborrow.Nounsarewordsthatrepresentpeople,places,things,orideas.7.参考答案：√解析："Haveeaten"isaformofthepresentperfecttense,usedtodescribeanactionthathasbeencompletedatsomepointbeforethepresentmoment.Theexamplesentencecorrectlyusesthistense.8.参考答案：√解析："Quickly"isanadverbbecauseitmodifiesaverb,adjective,oranotheradverbbyprovidingmoreinformationabouthowanactionisperformed.Forexample,"Sherunsquickly."9.参考答案：√解析："Iamgoingtothestoretomorrow"isanexampleofafutureplanbecauseitusesthefuturecontinuoustensetodescribeanactionthatwillhappenataspecifictimeinthefuture.10.参考答案：√解析："Seen"isthepastparticipleoftheverb"see."Itisusedinvarioustenses,suchasthepresentperfect("Ihaveseenhim")orthepastperfect("Ihadseenhimbefore").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、固定安排等。解析：一般现在时是英语中最基础、最常用的时态之一，其核心功能在于表达不受时间限制的常规性内容。例如，描述日常习惯如"Idrinkcoffeeeverymorning"（我每天早上喝咖啡），这种动作发生在任何时间且重复出现。它也用于陈述科学事实如"Thesunrisesintheeast"（太阳从东方升起），这类内容不受个人意志影响，是永恒真理。此外，一般现在时还用于固定的时间表安排，如"Thetrainleavesat9am"（火车早上9点出发），这类是预先设定好的计划。在运用时，动词形式需根据主语进行第三人称单数变化，这是该时态的重要语法特征，也是学生常犯错误点。2.参考答案：IusuallywatchTV,readbooks,orgoshoppingwithmyfriends.解析：这个问题考查一般现在时的实际应用，询问周末习惯性活动。回答时需使用一般现在时描述常规行为，如"IwatchTVonweekends"（我周末看电视）。具体活动可结合个人实际列举，如运动、学习、社交等。该题旨在考察学生能否将一般现在时与日常生活场景结合，答案应体现习惯性、重复性的特点，避免使用过去时或将来时。3.参考答案：Can,may,must.Can表示能力或允许，如"Icanswim"（我会游泳）；may表示可能性或请求许可，如"MayIuseyourphone?"（我可以用一下你的手机吗）；must表示必须或强烈义务，如"Youmustfinishyourhomework"（你必须完成作业）。解析：情态动词是英语中特殊动词，本身不能独立使用，需与动词原形搭配。它们的核心功能在于表达说话人的态度或语气，如can表达能力，may表达可能性，must表达强制性。在运用时需注意：①can用于过去时为could，表示过去能力；②may用于过去时为might，表示过去可能性；③must的否定形式为mustn't，表示禁止，如"Youmustn'tsmokehere"（这里禁止吸烟）。这些情态动词的混淆是常见错误，需通过例句强化理解。4.参考答案："Lookforwardto"meanstofeelhappyandexcitedaboutsomethingthatwillhappeninthefuture.Itisfollowedbyanounoragerund(verbendingin-ing).Forexample,"Ilookforwardtoyourvisit"or"Shelooksforwardtoswimminginthelake."解析：该短语是英语中常见的固定搭配，表达对未来的期待和兴奋之情。其结构固定为"lookforwardto+名词/动名词"，不能直接跟动词原形，这是学生易错点。例如，不能说"Ilookforwardtotoseeyou"，正确应为"Ilookforwardtoseeingyou"。该短语常用于表达期待见人、期待事件等积极内容，如期待假期、期待考试通过等。5.参考答案：LearningEnglishisimportantbecauseitisthemostwidelyspokenlanguageintheworld,facilitatinginternationalcommunication.Italsoopensupmorejobopportunitiesandhelpsunderstanddifferentcultures.解析：这个问题考查英语学习的重要性，属于综合理解题。答案应从全球化和个人发展的角度展开：①国际交流：英语是联合国工作语言，掌握英语能促进跨文化交流，如商务谈判、学术合作等；②职业发展：许多国际公司要求员工具备英语能力，如外企、旅游行业等；③文化理解：通过英语能阅读原版书籍、观看电影，更深入地了解西方文化。这些论点应结合个人实际或社会需求进行阐述。6.参考答案："Alotof"canbeusedwithbothcountableanduncountablenouns,while"many"canonlybeusedwithcountablenouns.Forexample,"alotofbooks"(可数)vs."manybooks"(可数),but"alotofwater"(不可数)vs."manywater"(错误).解析：该题考查量词的用法区别，是基础语法考点。关键点在于可数名词与不可数名词的搭配规则：①"alotof"灵活度高，既可用于可数名词复数（如"alotofapp