2026年重庆市人教版八年级英语下册第3单元词汇填空题库

2026年重庆市人教版八年级英语下册第3单元词汇填空题库一、单项选择题（总共10题，每题2分，共20分）1.Mr.Lioftenaskshisstudentsto_______theirideasinclass,whichhelpsimprovetheircommunicationskills.A.writedownB.thinkaboutC.expressD.listento解析：本题考查动词词组辨析。A项“writedown”意为“写下”，B项“thinkabout”意为“思考”，C项“express”意为“表达”，D项“listento”意为“听”。根据句意“李先生经常让学生在课堂上表达他们的想法”，应选C项“express”。其他选项与语境不符，故答案为C。2.Thegirl_______iswearingabluedressismybestfriend.A.whoB.whomC.whoseD.that解析：本题考查定语从句关系代词。先行词“thegirl”指人，且在从句中作主语，应选用“who”或“that”。A项“who”和D项“that”均可，但B项“whom”作宾语，C项“whose”作定语，均不符合句法结构。根据语境，应选A项“who”。3.Ifyouwanttostayhealthy,youshould_______morevegetablesandfruitseveryday.A.eatB.eatsC.eatingD.ate解析：本题考查动词时态和情态动词用法。句中“should”表示建议，谓语动词应用原形，故排除B项“eats”和D项“ate”。A项“eat”和C项“eating”中，不定式作宾语时，动词应用原形，故选A项“eat”。4.Theteachertoldthestudentsnotto_______theirphonesduringtheexam.A.useB.usingC.usedD.uses解析：本题考查动词非谓语形式。句中“notto”后需跟动词原形，故排除B项“using”和C项“used”。A项“use”和D项“uses”中，主语“thestudents”是复数，但否定句中动词原形不受主语数影响，应选A项“use”。5.Mysister_______tothelibraryeverySundaytoborrowbooks.A.goB.goesC.goingD.went解析：本题考查一般现在时。句中“everySunday”表示固定时间，谓语动词应用第三人称单数形式，故排除A项“go”和C项“going”。B项“goes”和D项“went”中，“went”是过去式，不符合语境，应选B项“goes”。6.Theboy_______isplayingthepianoisverytalented.A.whoB.whomC.whoseD.that解析：本题考查定语从句关系代词。先行词“theboy”指人，且在从句中作主语，应选用“who”或“that”。A项“who”和D项“that”均可，但B项“whom”作宾语，C项“whose”作定语，均不符合句法结构。根据语境，应选A项“who”。7.Ifyou_______harder,youwillpasstheexameasily.A.studyB.studiesC.studiedD.studying解析：本题考查虚拟语气。句中“if”引导的条件状语从句，表示与现在事实相反的假设，谓语动词应用一般过去时，故排除A项“study”和D项“studying”。B项“studies”是第三人称单数形式，C项“studied”是一般过去时，根据语境，应选C项“studied”。8.Thestudentsare_______ascienceprojectinthelabnow.A.doB.doesC.doingD.did解析：本题考查现在进行时。句中“now”表示动作正在进行，谓语动词应用现在进行时，故排除A项“do”、B项“does”和D项“did”。C项“doing”是现在进行时形式，应选C项“doing”。9.Mymotheraskedme_______myhomeworklastnight.A.finishB.finishesC.finishedD.finishing解析：本题考查动词不定式。句中“asksb.todosth.”结构中，不定式作宾语，应选用动词原形，故排除B项“finishes”、C项“finished”和D项“finishing”。A项“finish”是动词原形，应选A项“finish”。10.Thechildren_______areplayingintheparkareveryhappy.A.whoB.whomC.whoseD.that解析：本题考查定语从句关系代词。先行词“thechildren”指人，且在从句中作主语，应选用“who”或“that”。A项“who”和D项“that”均可，但B项“whom”作宾语，C项“whose”作定语，均不符合句法结构。根据语境，应选A项“who”。二、填空题（总共10题，每题2分，共20分）1.Theteacheraskedthestudentsto_______theirnamesatthetopofthepaper.参考答案：write解析：本题考查动词。根据句意“老师让学生在试卷顶部写下他们的名字”，应填“write”（写）。2.IfyouwanttoimproveyourEnglish,youshould_______moreEnglishmovies.参考答案：watch解析：本题考查动词。根据句意“如果你想提高英语水平，你应该多看英语电影”，应填“watch”（看）。3.Thegirl_______issittingnexttomeismysister.参考答案：who解析：本题考查定语从句关系代词。先行词“thegirl”指人，且在从句中作主语，应填“who”（谁）。4.Myfatheroften_______metothezooonweekends.参考答案：takes解析：本题考查动词时态。句中“often”表示经常性动作，谓语动词应用一般现在时，且主语“myfather”是第三人称单数，应填“takes”（带）。5.Thestudentsare_______asciencefairnextmonth.参考答案：having解析：本题考查动词时态。句中“nextmonth”表示将来时间，谓语动词应用一般将来时，且“arehaving”表示正在安排，应填“having”（举行）。6.Ifyou_______hard,youwillsucceedintheend.参考答案：work解析：本题考查动词。根据句意“如果你努力工作，你最终会成功”，应填“work”（工作）。7.Theboy_______isplayingtheguitarisveryskillful.参考答案：who解析：本题考查定语从句关系代词。先行词“theboy”指人，且在从句中作主语，应填“who”（谁）。8.Mymotheraskedme_______thedishesafterdinner.参考答案：towash解析：本题考查动词不定式。句中“asksb.todosth.”结构中，不定式作宾语，应填“towash”（洗碗）。9.Thestudentsare_______afieldtriptothemuseumnextweek.参考答案：goingon解析：本题考查动词短语。根据句意“学生们下周要去博物馆进行实地考察”，应填“goingon”（进行）。10.Ifyou_______more,youwillgainweight.参考答案：eat解析：本题考查动词。根据句意“如果你吃太多，你会发胖”，应填“eat”（吃）。三、判断题（总共10题，每题2分，共20分）1.Thegirlwhoiswearingareddressismysister.(正确)解析：本题考查定语从句。句中“who”正确引导定语从句，修饰“thegirl”，且在从句中作主语，表述正确。2.Ifitrainstomorrow,wewillgotothepark.(正确)解析：本题考查条件状语从句。句中“if”引导条件状语从句，表示与将来事实相反的假设，时态搭配正确。3.Theboythatisplayingthepianoisverytalented.(正确)解析：本题考查定语从句。句中“that”正确引导定语从句，修饰“theboy”，且在从句中作主语，表述正确。4.Mymotheraskedmetofinishmyhomeworklastnight.(正确)解析：本题考查动词不定式。句中“asksb.todosth.”结构中，不定式作宾语，表述正确。5.Thestudentsarehavingascienceprojectinthelabnow.(正确)解析：本题考查现在进行时。句中“now”表示动作正在进行，谓语动词应用现在进行时，表述正确。6.Ifyouworkhard,youwillpasstheexameasily.(错误)解析：本题考查虚拟语气。句中“if”引导的条件状语从句，表示与现在事实相反的假设，谓语动词应用一般过去时，应改为“worked”，故表述错误。7.Thegirlwhoissittingnexttomeismysister.(正确)解析：本题考查定语从句。句中“who”正确引导定语从句，修饰“thegirl”，且在从句中作主语，表述正确。8.Myfatheroftentakesmetothezooonweekends.(正确)解析：本题考查动词时态。句中“often”表示经常性动作，谓语动词应用一般现在时，且主语“myfather”是第三人称单数，表述正确。9.Thestudentsaregoingonafieldtriptothemuseumnextweek.(正确)解析：本题考查动词短语。根据句意“学生们下周要去博物馆进行实地考察”，应填“goingon”，表述正确。10.Ifyoueatmore,youwillgainweight.(正确)解析：本题考查条件状语从句。句中“if”引导条件状语从句，表示与现在事实相反的假设，时态搭配正确，表述正确。四、简答题（总共8题，每题2分，共16分）1.Whatdoesthephrase"expressideas"mean?参考答案：Expressideasmeanstocommunicateone'sthoughts,feelings,oropinionsclearlyandeffectivelytoothers.Itinvolvesusinglanguage,suchasspeakingorwriting,toconveyinformationorexpressoneself.解析：本题考查短语含义。根据语境，“expressideas”意为“表达想法”，指通过语言（如说话或写作）清晰地传达信息或表达自己，参考答案详细解释了短语含义，符合题意。2.HowcanstudentsimprovetheirEnglishskills?参考答案：StudentscanimprovetheirEnglishskillsbyreadingEnglishbooks,watchingEnglishmovies,listeningtoEnglishsongs,practicingspeakingwithothers,andwritingEnglishessaysregularly.解析：本题考查英语学习方法。参考答案列举了多种学习方法，如阅读、看电影、听歌、口语练习和写作，符合英语学习实践，答案详细且全面。3.Whatisthefunctionofarelativeclauseinasentence?参考答案：Arelativeclauseisatypeofadverbialclausethatmodifiesanounornounphrase,providingadditionalinformationaboutit.Itusuallybeginswitharelativepronoun,suchaswho,which,orthat.解析：本题考查定语从句功能。参考答案解释了定语从句的作用是修饰名词或名词短语，并提供额外信息，同时说明其引导词，答案专业且准确。4.Whyisitimportanttofinishhomeworkontime?参考答案：Finishinghomeworkontimeisimportantbecauseithelpsstudentsreviewandreinforcewhattheyhavelearnedinclass,improvestheirunderstandingofthesubject,andpreparesthemforfutureexams.解析：本题考查学习习惯重要性。参考答案从复习巩固、理解知识和备考角度解释了按时完成作业的重要性，答案逻辑清晰且全面。5.HowdoeswatchingEnglishmovieshelpinlearningEnglish?参考答案：WatchingEnglishmovieshelpsinlearningEnglishbyimprovinglisteningskills,expandingvocabulary,understandingculturaldifferences,andprovidingreal-lifelanguageexamples.解析：本题考查英语学习资源。参考答案从听力、词汇、文化和语言实例角度解释了看电影对英语学习的帮助，答案详细且实用。6.Whatshouldstudentsdoiftheydon'tunderstandalesson?参考答案：Ifstudentsdon'tunderstandalesson,theyshouldasktheirteacherforhelp,studywithclassmates,reviewtheirnotes,orlookforadditionalresources,suchasonlinetutorialsortextbooks.解析：本题考查学习困难解决方法。参考答案列举了多种解决方法，如请教老师、小组学习、复习笔记和查找额外资源，答案实用且全面。7.Howcanarelativepronounbeusedinasentence?参考答案：Arelativepronouncanbeusedtointroducearelativeclause,replacinganounornounphraseandactingasthesubjectorobjectintheclause.Forexample,"ThebookthatIreadisinteresting."解析：本题考查定语从句引导词用法。参考答案解释了关系代词的作用是引导定语从句，并举例说明其在从句中作主语或宾语，答案专业且易懂。8.Whyisitimportanttocommunicateideasclearly?参考答案：Communicatingideasclearlyisimportantbecauseithelpsavoidmisunderstandings,ensureseffectivecollaboration,andallowsotherstounderstandandrespondappropriately.解析：本题考查沟通重要性。参考答案从避免误解、有效合作和适当回应角度解释了清晰沟通的重要性，答案逻辑清晰且全面。五、应用题（总共8题，每题4分，共24分）1.Supposeyouareastudent.Writeashortparagraph(about50words)describingyourfavoritehobbyandwhyyouenjoyit.参考答案：Myfavoritehobbyisplayingtheguitar.Ienjoyitbecauseithelpsmerelaxandexpressmyself.Playingmusicalsoimprovesmyconcentrationandallowsmetoconnectwithothersthroughsharedinterests.解析：本题考查写作能力。参考答案描述了最喜欢的爱好（弹吉他），并解释了原因（放松、表达自我、提高专注力、社交），内容符合题意且语言流畅。2.Imagineyouareateacher.Writeanote(about50words)toyourstudentsremindingthemabouttheupcomingsciencefair.参考答案：Dearstudents,Ihopethisnotefindsyouwell.Iamwritingtoremindyouabouttheupcomingsciencefairnextweek.PleasemakesuretocompleteyourprojectsandbringthemtothelabbyFriday.Goodluck!解析：本题考查写作能力。参考答案以教师身份提醒学生科学展览事宜，内容清晰且符合场景，语言得体。3.Supposeyouareplanningatripwithyourfriends.Writeashortemail(about50words)suggestingadestinationandexplainingwhyitisagoodchoice.参考答案：Subject:TripPlanDearfriends,Isuggestwevisitthemountainsforourtripnextmonth.It'sagreatplacetohike,relax,andenjoynature.Thefreshairandbeautifulscenerywillmakeourtripunforgettable.解析：本题考查写作能力。参考答案建议去山区旅行，并解释了原因（徒步、放松、自然风光），内容符合题意且语言简洁。4.Imagineyouareastudent.Writeashortparagraph(about50words)describingamemorableexperienceyouhadwithyourfamily.参考答案：Lastsummer,myfamilywenttothebeachforaweekend.Webuiltsandcastles,swamintheocean,andhadapicnic.ItwasafunandrelaxingtripthatIwillneverforget.解析：本题考查写作能力。参考答案描述了与家人在海边的难忘经历，内容符合题意且语言流畅。5.Supposeyouareateacher.Writeashortnote(about50words)toyourstudentsabouttheimportanceofreading.参考答案：Dearstudents,Ihopethisnotefindsyouwell.Iamwritingtoremindyouabouttheimportanceofreading.Readinghelpsexpandyourvocabulary,improvesyourwritingskills,andbroadensyourknowledge.Pleasemakesuretoreadatleastonebookthismonth.解析：本题考查写作能力。参考答案以教师身份强调阅读的重要性，内容清晰且符合场景，语言得体。6.Imagineyouareplanningabirthdaypartyforyourfriend.Writeashortparagraph(about50words)describingthepartyandwhyitwillbefun.参考答案：Myfriend'sbirthdaypartywillbeheldnextweekendatalocalbowlingalley.Wewillplaygames,eatpizza,andopenpresents.Itwillbeafunandexcitingnightfulloflaughterandjoy.解析：本题考查写作能力。参考答案描述了朋友的生日派对，并解释了原因（保龄球、披萨、礼物），内容符合题意且语言生动。7.Supposeyouareastudent.Writeashortparagraph(about50words)describingyourfavoritesubjectinschoolandwhyyoulikeit.参考答案：Myfavoritesubjectisscience.Ienjoyitbecauseithelpsmeunderstandhowtheworldworks.Theexperimentsandprojectsarefun,andlearningnewconceptsmakesmefeelcuriousandexcited.解析：本题考查写作能力。参考答案描述了最喜欢的科目（科学），并解释了原因（理解世界、实验、项目有趣、学习新知识），内容符合题意且语言流畅。8.Imagineyouareateacher.Writeashortnote(about50words)toyourstudentsabouttheupcomingschoolsportsday.参考答案：Dearstudents,Ihopethisnotefindsyouwell.Iamwritingtoremindyouabouttheupcomingschoolsportsdaynextmonth.Pleasemakesuretoparticipateintheeventsandsupportyourclassmates.Itwillbeafunandexcitingdayforeveryone.解析：本题考查写作能力。参考答案以教师身份提醒学生即将到来的运动会，内容清晰且符合场景，语言得体。【标准答案及解析】一、单项选择题1.C2.A3.A4.A5.B6.A7.C8.C9.A10.A解析：同前。二、填空题1.write2.watch3.who4.takes5.having6.worked7.who8.towash9.goingon10.eat解析：同前。三、判断题1.√2.√3.√4.√5.√6.×7.√8.√9.√10.√解析：同前。四、简答题1.参考答案：Expressideasmeanstocommunicateone'sthoughts,feelings,oropinionsclearlyandeffectivelytoothers.Itinvolvesusinglanguage,suchasspeakingorwriting,toconveyinformationorexpressoneself.解析：同前。2.参考答案：StudentscanimprovetheirEnglishskillsbyreadingEnglishbooks,watchingEnglishmovies,listeningtoEnglishsongs,practicingspeakingwithothers,andwritingEnglishessaysregularly.解析：同前。3.参考答案：Arelativeclauseisatypeofadverbialclausethatmodifiesanounornounphrase,providingadditionalinformationaboutit.Itusuallybeginswitharelativepronoun,suchaswho,which,orthat.解析：同前。4.参考答案：Finishinghomeworkontimeisimportantbecauseithelpsstudentsreviewandreinforcewhattheyhavelearnedinclass,improvestheirunderstandingofthesubject,andpreparesthemforfutureexams.解析：同前。5.参考答案：WatchingEnglishmovieshelpsinlearningEnglishbyimprovinglisteningskills,expandingvocabulary,understandingculturaldifferences,andprovidingreal-lifelanguageexamples.解析：同前。6.参考答案：Ifstudentsdon'tunderstandalesson,theyshouldasktheirteacherforhelp,studywithclassmates,reviewtheirnotes,orlookforadditionalresources,suchasonlinetutorialsortextbooks.解析：同前。7.参考答案：Arelativepronouncanbeusedtointroducearelativeclause,replacinganounornounphraseandactingasthesubjectorobjectintheclause.Forexample,"ThebookthatIreadisinteresting."解析：同前。8.参考答案：Communicatingideasclearlyisimportantbecauseithelpsavoidmisunderstandings,ensureseffectivecollaboration,andallowsotherstounderstandandrespondappropriately.解析：同前。五、应用题1.参考答案：Myfavoritehobbyisplayingtheguitar.Ienjoyitbecauseithelpsmerelaxandexpressmyself.Playingmusicalsoimprovesmyconcentrationandallowsmetoconnectwithothersthroughsharedinterests.解析：同前。2.参考答案：Dearstudents,Ihopethisnotefindsyouwell.Iamwritingtoremindyouabouttheupcomingsciencefairnextweek.Pleasemakesuretoco