2026年重庆市苏教版四年级英语第三单元词汇巩固习题

2026年重庆市苏教版四年级英语第三单元词汇巩固习题一、单项选择题（每题2分，共20分）1.Inthethirdunitofthe2026ChongqingSujiuEnglishtextbookforfourthgraders,whatisthecorrecttranslationoftheword"apple"inasentencedescribingafruit?A.BananaB.OrangeC.AppleD.WatermelonAnswer:CExplanation:Thequestionteststhestudent'sabilitytorecognizeandusevocabularyfromUnit3."Apple"isexplicitlylistedasakeywordintheunit,whiletheotheroptionsareunrelated.OptionCistheonlycorrectchoice,demonstratingmasteryofbasicvocabulary.2.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,howshouldthephrase"Iliketoeat"bewritteninEnglishwhenreferringtoafavoritefood?A.Iliketoeat.B.Ilikeeating.C.Ilikestoeat.D.Ilikeate.Answer:BExplanation:Thisquestionassessesthestudent'sunderstandingofverbformsinUnit3.Thecorrectstructureis"Ilike+gerund(ingform),"asshowninoptionB.OptionsA,C,andDcontaingrammaticalerrors(e.g.,incorrectverbtenseorsubject-verbagreement).3.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"big."Whichsentencecorrectlyusesthiswordtodescribeaclassroomobject?A.Thedeskissmall.B.Thebookisbig.C.Thewindowisred.D.Thechairisnew.Answer:BExplanation:Thequestionevaluatesthestudent'sabilitytoapplyUnit3vocabularyincontext."Big"isakeywordintheunit,andoptionBcorrectlyusesittodescribeabook.Theotheroptionsuseunrelatedwords(e.g.,"small,""red,""new")orirrelevantobjects.4.The2026ChongqingSujiuEnglishcurriculumforfourthgradersincludesthephrase"Let'splay."InwhichscenariowouldthisphrasebemostappropriateaccordingtoUnit3content?A.Askingfordirections.B.Offeringhelp.C.Invitingsomeonetoplay.D.Expressinggratitude.Answer:CExplanation:Thisquestionteststhestudent'sunderstandingoffunctionallanguageinUnit3."Let'splay"isacommonexpressionforinvitingsomeonetoparticipateinanactivity,ascoveredintheunit.Theotheroptionsrequiredifferentphrases(e.g.,"Canyouhelpme?"or"Thankyou").5.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"jump."Whichsentencecorrectlyusesthiswordtodescribeanaction?A.Shesitsonthefloor.B.Hejumpshigh.C.Theballisblue.D.Theyeatnoodles.Answer:BExplanation:Thequestionassessesthestudent'sabilitytouseUnit3vocabularyinasentence."Jump"isakeywordintheunit,andoptionBcorrectlydescribesanaction.Theotheroptionsuseirrelevantverbsorobjects(e.g.,"sits,""blue,""eat").6.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3includesthephrase"What'sthis?"Whichsituationwouldrequireusingthisquestion?A.Greetingsomeone.B.Askingabouttime.C.Identifyinganobject.D.Expressinglikes.Answer:CExplanation:Thisquestionteststhestudent'sunderstandingofquestionformsinUnit3."What'sthis?"isusedtoaskaboutanunknownobject,astaughtintheunit.Theotheroptionsrequiredifferentquestions(e.g.,"Whattimeisit?"or"Doyoulike...?").7.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"happy."Whichsentencecorrectlyusesthiswordtodescribeafeeling?A.Sheistall.B.Heishappy.C.Thecatisblack.D.Theyarerunning.Answer:BExplanation:Thequestionevaluatesthestudent'sabilitytoapplyUnit3vocabularytodescribeemotions."Happy"isakeywordintheunit,andoptionBcorrectlyexpressesafeeling.Theotheroptionsuseirrelevantadjectivesorverbs(e.g.,"tall,""black,""running").8.The2026ChongqingSujiuEnglishcurriculumforfourthgradersincludesthephrase"Let'sgo."InwhichcontextwouldthisphrasebemostappropriateaccordingtoUnit3content?A.Sayinggoodbye.B.Invitingsomeonetoplay.C.Askingforpermission.D.Expressingdisagreement.Answer:BExplanation:Thisquestionteststhestudent'sunderstandingoffunctionallanguageinUnit3."Let'sgo"isusedtosuggestmovingtoalocation,ascoveredintheunit.Theotheroptionsrequiredifferentphrases(e.g.,"Goodbye,""MayI...?"or"Idon'tagree").9.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"thin."Whichsentencecorrectlyusesthiswordtodescribeaperson?A.Heisfat.B.Sheisthin.C.Thetreeistall.D.Thebookisold.Answer:BExplanation:Thequestionassessesthestudent'sabilitytouseUnit3vocabularyincontext."Thin"isakeywordintheunit,andoptionBcorrectlydescribesaperson.Theotheroptionsuseunrelatedwords(e.g.,"fat,""tall,""old")orirrelevantsubjects.10.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3includesthephrase"Icanswim."Whichskillwouldthissentencebedescribingbasedontheunit'scontent?A.Eatingnoodles.B.Playingbasketball.C.Swimminginapool.D.Readingabook.Answer:CExplanation:Thisquestionteststhestudent'sunderstandingofabilityexpressionsinUnit3."Icanswim"isusedtodescribeaphysicalskill,astaughtintheunit.Theotheroptionsareunrelatedactivities(e.g.,eating,playingsports,reading).二、填空题（每空2分，共20分）1.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"red."Completethesentencetodescribeafruit:"The____isred."Answer:appleExplanation:Theunitfocusesonbasicadjectiveslike"red,"andthecorrectwordis"apple,"acommonobjectassociatedwiththiscolor.Thesentencemustmatchtheunit'svocabulary.2.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3includesthephrase"Let'sread."Fillintheblanktocompletethesentence:"Wecan____booksinthelibrary."Answer:readExplanation:Theunitteaches"Let's+verb"structuresforsuggestions,and"read"isakeyverbintheunit.Thesentencemustfollowtheunit'sgrammarrules.3.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"big."Completethesentencetodescribeananimal:"The____isbig."Answer:elephantExplanation:Theunitincludes"big"asadescriptiveadjective,and"elephant"isacommonlargeanimal.Thesentencemustusetheunit'svocabulary.4.The2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,includesthephrase"What'sthis?"Fillintheblanktocompletethequestion:"____isthis?"Answer:WhatExplanation:Theunitteachesquestionformationwith"What'sthis?"Thecorrectwordis"What,"asshownintheunit'sexamples.5.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"happy."Completethesentencetodescribeafeeling:"Iam____today."Answer:happyExplanation:Theunitfocusesonemotionslike"happy,"andthesentencemustusethiswordtodescribeafeeling.6.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3includesthephrase"Let'splay."Fillintheblanktocompletethesentence:"Wecan____inthepark."Answer:playExplanation:Theunitteaches"Let's+verb"forsuggestions,and"play"isakeyverbintheunit.Thesentencemustfollowtheunit'sgrammarrules.7.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"thin."Completethesentencetodescribeaperson:"Sheis____."Answer:thinExplanation:Theunitincludes"thin"asadescriptiveadjective,andthesentencemustusethiswordtodescribeaperson.8.The2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,includesthephrase"Icanrun."Fillintheblanktocompletethesentence:"Ican____fast."Answer:runExplanation:Theunitteachesabilityexpressionslike"Ican+verb,"and"run"isakeyverbintheunit.Thesentencemustfollowtheunit'sgrammarrules.9.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"blue."Completethesentencetodescribeacolor:"Theskyis____."Answer:blueExplanation:Theunitincludes"blue"asadescriptiveadjective,andthesentencemustusethiswordtodescribeacolor.10.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3includesthephrase"Let'sgo."Fillintheblanktocompletethesentence:"Let's____toschool."Answer:goExplanation:Theunitteaches"Let's+verb"forsuggestions,and"go"isakeyverbintheunit.Thesentencemustfollowtheunit'sgrammarrules.三、判断题（每题2分，共20分）1.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"big."Isthesentence"Thebookisbig"grammaticallycorrectaccordingtotheunit'scontent?Answer:TrueExplanation:Theunitteaches"big"asadescriptiveadjective,andthesentencecorrectlyusesittodescribeanoun.2.The2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,includesthephrase"What'sthis?"Isthequestion"Whatisthis?"alsoacceptableinthesamecontext?Answer:FalseExplanation:Theunitspecificallyteaches"What'sthis?"asacontractionof"Whatisthis?"Thefullformisnotcoveredintheunit.3.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"happy."Isthesentence"Iamhappy"correctforexpressingafeeling?Answer:TrueExplanation:Theunitteaches"happy"asanemotion,andthesentencecorrectlyexpressesthisfeeling.4.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,isthephrase"Let'seat"appropriateforsuggestinganactivity?Answer:FalseExplanation:Theunitteaches"Let's+verb"forsuggestions,but"eat"isnotcoveredasasuggestedactivity.Thecorrectphrasewouldbe"Let'splay"or"Let'sread."5.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"thin."Isthesentence"Heisthin"grammaticallycorrectaccordingtotheunit'scontent?Answer:TrueExplanation:Theunitteaches"thin"asadescriptiveadjective,andthesentencecorrectlyusesittodescribeaperson.6.The2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,includesthephrase"Icanswim."Isthesentence"Icanswimfast"alsoacceptableinthesamecontext?Answer:TrueExplanation:Theunitteachesabilityexpressionslike"Ican+verb,"andaddinganadverb(e.g.,"fast")isgrammaticallycorrect.7.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"red."Isthesentence"Theappleisred"correctaccordingtotheunit'scontent?Answer:TrueExplanation:Theunitteaches"red"asadescriptiveadjective,andthesentencecorrectlyusesittodescribeanoun.8.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,isthephrase"Let'sgo"appropriateforsuggestingmovement?Answer:TrueExplanation:Theunitteaches"Let's+verb"forsuggestions,and"go"isakeyverbintheunit.Thephraseiscorrectforsuggestingmovement.9.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"blue."Isthesentence"Thecarisblue"grammaticallycorrectaccordingtotheunit'scontent?Answer:TrueExplanation:Theunitteaches"blue"asadescriptiveadjective,andthesentencecorrectlyusesittodescribeanoun.10.The2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,includesthephrase"What'sthis?"Isthequestion"Whatarethese?"appropriateforthesamecontext?Answer:FalseExplanation:Theunitspecificallyteaches"What'sthis?"forsingularobjects."Whatarethese?"isusedforpluralobjects,whichisnotcoveredintheunit.四、简答题（每题2分，共16分）1.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"big."Describehowyouwouldusethiswordinasentencetodescribeananimal.Answer:"Theelephantisbig."Explanation:Theunitteaches"big"asadescriptiveadjective,andthesentencecorrectlyusesittodescribealargeanimallikeanelephant.2.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,howwouldyouusethephrase"Let'sread"tosuggestanactivity?Answer:"Let'sreadbooksinthelibrary."Explanation:Theunitteaches"Let's+verb"forsuggestions,andthesentencecorrectlyuses"read"tosuggestanactivityinaspecificlocation.3.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"happy."Howwouldyouusethiswordtodescribeafeeling?Answer:"IamhappybecauseIgotagoodgrade."Explanation:Theunitteaches"happy"asanemotion,andthesentencecorrectlyexpressesthisfeelingwithareason.4.The2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,includesthephrase"What'sthis?"Howwouldyouusethisquestiontoidentifyanobject?Answer:"What'sthis?It'sapencil."Explanation:Theunitteaches"What'sthis?"asaquestionforidentifyingsingularobjects,andthesentencecorrectlyrespondstothequestion.5.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"thin."Howwouldyouusethiswordtodescribeaperson?Answer:"Sheisthin."Explanation:Theunitteaches"thin"asadescriptiveadjective,andthesentencecorrectlyusesittodescribeaperson.6.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,howwouldyouusethephrase"Icanswim"todescribeaskill?Answer:"Icanswiminthepool."Explanation:Theunitteaches"Ican+verb"forabilities,andthesentencecorrectlyuses"swim"todescribeaskillinaspecificlocation.7.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"blue."Howwouldyouusethiswordtodescribeacolor?Answer:"Theskyisblue."Explanation:Theunitteaches"blue"asadescriptiveadjective,andthesentencecorrectlyusesittodescribeacolor.8.The2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,includesthephrase"Let'sgo."Howwouldyouusethisphrasetosuggestmovement?Answer:"Let'sgotothepark."Explanation:Theunitteaches"Let's+verb"forsuggestions,andthesentencecorrectlyuses"go"tosuggestmovementtoalocation.五、应用题（每题4分，共24分）1.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"big."Writeashortparagraph(3-4sentences)describingthreedifferentobjectsusing"big."Answer:"Theelephantisbig.Thehouseisbig.Theballisbig."Explanation:Theunitteaches"big"asadescriptiveadjective,andtheparagraphcorrectlyusesittodescribethreeobjects.Eachsentencefollowstheunit'svocabularyandgrammarrules.2.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,writeashortdialogue(2-3exchanges)betweentwostudentsusingthephrase"Let'splay."Answer:StudentA:"Let'splaysoccer."StudentB:"Okay,let'splaysoccerinthepark."Explanation:Theunitteaches"Let's+verb"forsuggestions,andthedialoguecorrectlyuses"play"tosuggestanactivity.Theexchangefollowstheunit'sgrammarrules.3.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"happy."Writeashortparagraph(3-4sentences)describingwhyyouarehappy.Answer:"IamhappybecauseIgotagoodgrade.Iamhappybecausemyfriendvisitedme.Iamhappybecauseitissunnytoday."Explanation:Theunitteaches"happy"asanemotion,andtheparagraphcorrectlyusesittodescribemultiplereasonsforhappiness.Eachsentencefollowstheunit'svocabularyandgrammarrules.4.The2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,includesthephrase"What'sthis?"Writeashortscenario(3-4sentences)wheretwostudentsusethisphrasetoidentifyobjects.Answer:StudentA:"What'sthis?It'sabook."StudentB:"Yes,it'sabook.What'sthis?It'sanapple."Explanation:Theunitteaches"What'sthis?"asaquestionforidentifyingsingularobjects,andthescenariocorrectlyusesitinaconversation.Eachexchangefollowstheunit'svocabularyandgrammarrules.5.Inthe2026ChongqingSujiuEnglishtextbookforfourthgraders,Unit3introducestheword"thin."Writeashortparagraph(3-4sentences)describingthreedifferentpeopleusing"thin."Answer:"Sheisthin.Heisthin.Thecatisthin."Explanation:Theunitteaches"thin"asadescriptiveadjective,andtheparagraphcorrectlyusesittodescribethreepeopleoranimals.Eachsentencefollowstheunit'svocabularyandgrammarrules.6.Accordingtothe2026ChongqingSujiuEnglishcurriculumforfourthgraders,Unit3,writeashortdialogue(2-3exchanges)betweentwostudentsusingthephrase"Icanswim."Answer:StudentA:"Icanswim."StudentB:"Really?Icanswimtoo."Explanation:Theunitteaches"Ican+verb"forabilities,andthedialoguecorrectlyuses"swim"todescribeaskill.Theexchangefollowstheunit'sgrammarrules.【标准答案及解析】一、单项选择题1.CExplanation:ThequestiontestsvocabularyfromUnit3."Apple"isakeywordintheunit,whiletheotheroptionsareunrelated.OptionCiscorrect.2.BExplanation:ThequestionassessesverbformsinUnit3.Thecorrectstructureis"Ilike+gerund(ingform),"asshowninoptionB.Theotheroptionscontaingrammaticalerrors.3.BExplanation:Thequestionevaluatestheuseof"big"inUnit3.OptionBcorrectlyuses"big"todescribeabook.Theotheroptionsuseirrelevantwordsorobjects.4.CExplanation:ThequestiontestsfunctionallanguageinUnit3."Let'splay"isusedtoinvitesomeonetoplay,ascoveredintheunit.Theotheroptionsrequiredifferentphrases.5.BExplanation:Thequestionassessestheuseof"jump"inUnit3.OptionBcorrectlydescribesanaction.Theotheroptionsuseirrelevantverbsorobjects.6.CExplanation:ThequestiontestsquestionformsinUnit3."What'sthis?"isusedtoaskaboutanunknownobject.Theotheroptionsrequiredifferentquestions.7.BExplanation:Thequestionevaluatestheuseof"happy"inUnit3.OptionBcorrectlyexpressesafeeling.Theotheroptionsuseirrelevantadjectivesorverbs.8.CExplanation:ThequestiontestsfunctionallanguageinUnit3."Let'sgo"isusedtosuggestmovement,ascoveredintheunit.Theotheroptionsrequiredifferentphrases.9.BExplanation:Thequestionassessestheuseof"thin"inUnit3.OptionBcorrectlydescribesaperson.Theotheroptionsuseirrelevantwordsorobjects.10.CExplanation:Thequestionteststheuseof"Icanswim"inUnit3.OptionCdescribesaskill,astaughtintheunit.Theotheroptionsareunrelatedactivities.二、填空题1.appleExplanation:Theunitteaches"red"asacolor,and"apple"isacommonfruitassociatedwiththiscolor.2.readExplanation:Theunitteaches"Let's+verb"forsuggestions,and"read"isakeyverbintheunit.3.elephantExplanation:Theunitincludes"big"asadescriptiveadjective,and"elephant"isacommonlargeanimal.4.WhatExplanation:Theunitspecificallyteaches"What'sthis?"asacontractionof"Whatisthis?"5.happyExplanation:Theunitteaches"happy"asanemotion,andthesentencecorrectlyexpressesthisfeeling.6.playExplanation:Theunitteaches"Let's+verb"forsuggestions,and"play"isakeyverbintheunit.7.thinExplanation:Theunitincludes"thin"asadescriptiveadjective,andthesentencecorrectlyusesittodescribeaperson.8.runExplanation:Theunitteachesabilityexpressionslike"Ican+verb,"and"run"isakeyverbintheunit.9.blueExplanation:Theunitincludes"blue"asadescriptiveadjective,andthesentencecorrectlyusesittodescribeacolor.10.goExplanation:Theunitteaches"Let's+verb"forsuggestions,and"go"isakeyverbintheunit.三、判断题1.TrueExplanation:Theunitteaches"big"asadescriptiveadjective,andthesentenceisgrammaticallycorrect.2.FalseExplanation:Theunitspecificallyteaches"What'sthis?"forsingularobjects."Whatarethese?"isnotcovered.3.TrueExplanation:Theunitteaches"happy"asanemotion,andthesentencecorrectlyexpressesthisfeeling.4.FalseExplanation:Theunitteaches"Let's+verb"forsuggestions,but"eat"isnotcoveredasasuggestedactivity.5.TrueExplanation:Theunitteaches"thin"asadescriptiveadjective,andthesentenceisgrammaticallycorrect.6.TrueExplanation:Theunitteachesabilityexpressionslike"Ican+verb,"andaddinganadverbisgrammaticallycorrect.7.TrueExplanation:Theunitteaches"blue"asadescriptiveadjective,andthesentenceisgrammaticallycorrect.8.TrueExplanation:Theunitteaches"Let's+verb"forsuggestions,and"go"isakeyverbintheunit.9.TrueExplanation:Theunitteaches"blue"asadescriptiveadjective,andthesentenceisgrammaticallycorrect.10.FalseExplanation:Theunitspecificallyteaches"What'sthis?"forsingularobjects."Whatarethese?"isnotcovered.四、简答题1."Theelephantisbig."Explanation:Theunitteaches"big"asadescriptiveadjective,andthesentenceco