2024年人教版八年级下册英语第三单元课后练习题（含答案和概念）

2024年人教版八年级下册英语第三单元课后练习题（含答案和概念）试题部分一、选择题：1.InUnit3,whichwordisusedtodescribesomethingthatisverylarge?A.TinyB.HugeC.SmallD.Big2.Whichofthefollowingsentencesusesthesimplepasttensecorrectly?A.Hegotothemoviesyesterday.B.Sheeatsbreakfasteverymorning.C.Theyvisitedtheirgrandparentslastweek.D.Iamwalkingtotheparknow.A.amB.isC.areD.be4.Whatistheoppositeof"expensive"?A.CheapB.CostlyC.ExpensiveD.Priceless5.Whichwordcanbeusedtodescribeapersonwhoisverycarefulandpaysattentiontodetails?A.CarelessB.ThoughtfulC.LazyD.CarefulA.selfishB.kindC.cruelD.mean7.Whichofthefollowingsentencesisaquestion?A.Sheisreadingabook.B.Ishegoingtotheparty?C.Theyhavefinishedtheirhomework.D.Weareplayingsoccer.8.Whatisthepastparticipleof"do"?A.DidB.DoneC.DoesD.Doing9.Whichofthefollowingwordsisanoun?A.RunB.HappyC.FastD.BookA.withB.withoutC.onD.in二、判断题：1."Large"and"big"havethesamemeaning.()2.Thesimplepresenttenseisusedtodescribeactionsthathappenregularly.()3."Be"isalwaysfollowedanadjectiveinsentences.()4."Cheap"and"expensive"aresynonyms.()5.A"careful"personmakesfewmistakes.()6."Selfish"and"kind"havethesamemeaning.()7.Asentencethatasksaquestionalwaysendswithaperiod.()8.Thepastparticipleof"do"is"did".()9."Run"canbebothaverbandanoun.()三、填空题：1.Theoppositeof"hot"is_______.2.Ifyouwanttodescribesomethingasverycold,youcanusetheword_______.3.Theword"________"meanstochangefromaliquidtoagas.4.Whensomethingisverybright,wesayitis________.5.Thepasttenseof"go"is________.6.Thepluralformof"child"is________.7.Thethirdpersonsingularof"do"is________.8.Todescribeaplacethatisverycrowded,weusetheword________.9.Theoppositeof"empty"is________.10.Theword"________"isusedtodescribesomethingthatisveryheavy.11.Thesimplepresenttenseof"eat"is________.12.Thepastparticipleof"write"is________.13.Theoppositeof"old"is________.14.Theword"________"isusedtodescribesomethingthatisverysoft.15.Thepluralformof"mouse"is________.16.Theword"________"meanstomakesomethingclean.17.Thepasttenseof"read"is________.18.Theword"________"isusedtodescribesomethingthatisveryslow.19.Theoppositeof"dark"is________.20.Theword"________"meanstoputsomethinginaparticularplace.四、简答题：1.Whatisthedifferencebetween"big"and"large"?2.Howdoyouformthepasttenseofregularverbs?3.Whatisthedifferencebetween"adjective"and"adverb"?4.Canyougiveanexampleofasentenceusingthesimplefuturetense?5.Whatisthepastparticipleof"take"?6.Howdoyouformthepluralofnounsthatendin"s"?7.Whatisaprepositionandcanyougivethreeexamples?8.HowdoyouaskaquestioninEnglish?9.Whatistheoppositeof"expensive"?10.Canyouexplainthedifferencebetween"Ido"and"Iamdoing"?一、选择题答案：1.B.Huge2.C.Theyvisitedtheirgrandparentslastweek.3.C.are4.A.Cheap5.D.Careful6.B.kind7.B.Ishegoingtotheparty?8.B.Done9.D.Book10.A.with二、判断题答案：1.×2.√3.×4.×5.√6.×7.×8.×9.√10.×三、填空题答案：1.cold2.freezing3.evaporate4.bright5.went6.children7.does8.crowded9.full10.heavy11.eats12.written13.young14.soft15.mice16.clean17.read18.slow19.light20.put四、简答题答案：2.Regularverbsformthepasttenseaddingedtothebaseformoftheverb.3.Anadjectivedescribesanounorpronoun,whileanadverbdescribesaverb,adjective,orotheradverb.4.Example:Shewillgotothestoretomorrow.5.Thepastparticipleof"take"is"taken."6.Fornounsthatendin"s,"youaddestoformtheplural.7.Aprepositionshowstherelationshipbetweenanounorpronounandotherwordsinthesentence.Examples:in,on,under.8.ToaskaquestioninEnglish,youoftenuseanauxiliaryverborchangethewordorder.9.Theoppositeof"expensive"is"cheap."10."Ido"referstoahabitualaction,while"Iamdoing"referstoanactionhappeningatthemomentofspeaking.Vocabulary:Theexerciseincludeswordsrelatedtosize,temperature,light,andotherdescriptiveterms.Grammar:Thefocusisonverbtenses(simplepast,simplepresent,simplefuture),adjectives,adverbs,andprepositions.Sentencestructure:Questions,statements,andtheuseofauxiliariesinquestionsarepracticed.Nounusage:Pluralformsandthedifferencebetweencountableanduncountablenounsaretested.各题型所考察学生的知识点详解和示例：选择题：Theseteststudents'understandingofvocabulary,grammarrules,andsentencestructure.Forexample,thedifferencebetween"big"and"large"isamatterofformalityandcontext.判断题：Thesequestionsassessstudents'knowledgeofgrammaticalrulesandvocabularyusage.Forinstance,understandingthat"selfish"and"kind"areantonymsiscrucial.填空题：Theseexercisesfocusonvocabulary,verbconjugation,andpluralforms.Forexample,knowingthatthepastparticipleof"write"is"written"isessential.简答题：Thesequestionsevaluatestudents'abilitytoexplaingrammaticalconceptsandprovideexamples.UnderstandinghowtoformquestionsinEnglishisakeyskill.示例：Forvocabulary,studentsmustknowthat"evaporate"meanstochangefromaliquidtoagas,whichisascientificconcept.Forgrammar,studentsmustunderstandthatthepasttenseof"g