2026年貴州省人教版初中英語八年級下冊第3單元同步練習題

2026年貴州省人教版初中英語八年級下冊第3單元同步練習題一、單項選擇題（總共10題，每題2分，共20分）1.AccordingtothepassageinUnit3,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.解析：本題考查學生對單元主題“Whydopeoplechoosecertainsubjects?”的理解。正確答案為B，因為單元文章強調科學學科能幫助學生更好地理解世界，這與單元核心內容一致。選項A、C、D雖然可能是部分學生的真實想法，但并非文章主旨。解析需結合單元課文具體段落，如“Sciencehelpsusdiscoverhowthingsworkandwhytheyhappen,”等表述。2.Whatdoestheunderlinedword"passion"meaninthesentence"Shehasapassionforlearningnewthings"?A.HateB.InterestC.FearD.Surprise解析：本題考查單元詞匯“passion”的詞義辨析。正確答案為B，單元詞匯表中明確解釋“passion”意為“強烈的興趣或熱愛”。選項A、C、D與詞義無關，需結合單元詞匯學習筆記進行判斷。解析需引用單元詞匯表中的英文釋義和中文翻譯。3.Accordingtotheadviceinthepassage,whichofthefollowingisNOTagoodwaytoimproveyourstudyskills?A.Makeastudyscheduleandfollowiteveryday.B.Listentomusicwhiledoinghomework.C.Reviewyournotesregularly.D.Askteachersorclassmatesforhelpwhenyouhavequestions.解析：本題考查單元閱讀文章“TipsforEffectiveStudy”中的實用建議。正確答案為B，單元文章明確指出“Listeningtomusiccandistractyoufromstudying,”而其他選項均為有效學習方法。解析需結合文章具體建議段落，如“Makeastudyplanandsticktoit”等。4.Whatisthebesttitleforthepassage"TheFutureofScience"?A.FamousScientistsinHistoryB.WhyScienceisImportantTodayC.HowtoChooseaScienceCareerD.TheHistoryofSpaceExploration解析：本題考查單元寫作任務“Writeashortpassageaboutasubjectyoulike”的主題把握。正確答案為B，單元寫作指導強調“Discusswhysciencesubjectsarevaluableinmodernsociety.”選項A、C、D偏離單元寫作主題，需結合單元寫作要求進行判斷。解析需引用單元寫作任務書的具體說明。5.Accordingtothepassage,whatisthebiggestchallengeforstudentswhowanttostudysciencesubjects?A.Theyneedtomemorizealotofformulas.B.Theydonothaveenoughtimetodoexperiments.C.Theyfindsciencesubjectstoodifficult.D.Theydonothaveaccesstoscienceequipment.解析：本題考查單元閱讀文章“ChallengesinScienceEducation”中的細節信息。正確答案為C，單元文章提到“Manystudentsthinkscienceishardandgiveupeasily.”選項A、B、D雖然可能是部分挑戰，但并非文章強調的重點。解析需結合文章具體段落，如“Sciencerequiresdeepthinkingandproblem-solvingskills”等表述。6.Whatdoesthephrase"setgoals"meaninthecontextofthepassage"HowtoStudyEffectively"?A.Togiveupstudying.B.Tomakeplansforyourstudy.C.Toaskteachersforhelp.D.Tolistentomusicwhilestudying.解析：本題考查單元詞匯短語“setgoals”的語境理解。正確答案為B，單元文章解釋“Setgoalstoimproveyourgradesandskills.”意為“設定目標以提升成績和技能”。選項A、C、D與語境無關，需結合單元閱讀文章進行判斷。解析需引用文章中關于“goal-setting”的具體建議段落。7.Accordingtothepassage,whydosomestudentschoosetostudyartsubjects?A.Becauseartsubjectsareeasierthansciencesubjects.B.Becauseartsubjectscanhelpthemexpressthemselves.C.Becauseartsubjectsaremoreexpensivetostudy.D.Becauseartsubjectshavefewerjobopportunities.解析：本題考查單元對比閱讀“Sciencevs.Art”中的觀點呈現。正確答案為B，單元文章提到“Arthelpsstudentsexpresstheircreativityandemotions.”選項A、C、D與文章觀點相反，需結合單元閱讀文章進行判斷。解析需引用文章中關于“artisticexpression”的具體段落。8.Whatisthemainideaofthepassage"TheImportanceofScienceinDailyLife"?A.Sciencesubjectsarethemostdifficulttostudy.B.Sciencehelpsussolveeverydayproblems.C.Sciencesubjectsaremoreinterestingthanartsubjects.D.Scienceisonlyimportantforscientists.解析：本題考查單元閱讀文章“ScienceinDailyLife”的主旨概括。正確答案為B，單元文章強調“Sciencehelpsusunderstandandimproveourlives,suchasmedicine,technology,andenvironment.”選項A、C、D偏離文章主旨，需結合單元閱讀文章進行判斷。解析需引用文章開頭和結尾段落的總結性表述。9.Accordingtothepassage,whatisthebestwaytoremembernewvocabulary?A.Writethewordsinanotebook.B.Usethewordsinsentences.C.Listentomusicwiththewords.D.Memorizethewordswithoutunderstandingtheirmeaning.解析：本題考查單元語法“UsingNewWords”中的學習方法建議。正確答案為B，單元文章提到“Practiceusingnewwordsinsentencestorememberthembetter.”選項A、C、D雖然可能是部分方法，但并非文章強調的最佳方式。解析需結合單元語法講解中的具體建議段落。10.Whatisthepurposeofthepassage"WhyDoPeopleChooseCertainSubjects"?A.Totellstudentswhichsubjectstochoose.B.Toexplainwhysomesubjectsaremorepopular.C.Toaskstudentstostudyharder.D.Tocomparescienceandartsubjects.解析：本題考查單元閱讀文章“SubjectChoice”的寫作目的。正確答案為B，單元文章分析“Peoplechoosesubjectsbasedontheirinterests,futurecareers,andpersonalstrengths.”選項A、C、D偏離文章目的，需結合單元閱讀文章進行判斷。解析需引用文章引言部分的具體表述。二、填空題（總共10題，每題2分，共20分）1.Thepassagesaysthatmanystudentschoosesciencesubjectsbecausetheywantto______theworldaroundthem.解析：正確答案為“understand”，單元文章提到“Sciencehelpsusunderstandhowthingswork.”需結合單元閱讀文章進行填空。2.Accordingtothepassage,agoodstudyhabitisto______yournoteseveryday.解析：正確答案為“review”，單元文章建議“Reviewyournotesregularlytoremembermore.”需結合單元閱讀文章進行填空。3.Theunderlinedword"passion"inthesentence"Shehasapassionforlearning"means______.解析：正確答案為“stronginterest”，單元詞匯表中解釋“passion”意為“強烈的興趣”。需結合單元詞匯學習筆記進行填空。4.Thepassagesuggeststhatstudentsshould______toteachersorclassmateswhentheyhaveproblems.解析：正確答案為“askforhelp”，單元文章提到“Donotbeafraidtoaskforhelp.”需結合單元閱讀文章進行填空。5.Thephrase"setgoals"meansto______inyourstudy.解析：正確答案為“makeplans”，單元文章解釋“Setgoalstoimproveyourgradesandskills.”意為“設定目標以提升成績和技能”。需結合單元閱讀文章進行填空。6.Accordingtothepassage,somestudentschooseartsubjectsbecausetheywantto______.解析：正確答案為“expressthemselves”，單元文章提到“Arthelpsstudentsexpresstheircreativityandemotions.”需結合單元閱讀文章進行填空。7.Thepassagesaysthatsciencesubjectscanhelpussolve______problemsindailylife.解析：正確答案為“everyday”，單元文章提到“Sciencehelpsussolveeverydayproblems,suchasmedicine,technology,andenvironment.”需結合單元閱讀文章進行填空。8.Theunderlinedword"distract"inthesentence"Listeningtomusiccandistractyoufromstudying"means______.解析：正確答案為“takeawayattention”，單元詞匯表中解釋“distract”意為“分散注意力”。需結合單元詞匯學習筆記進行填空。9.Thepassagesuggeststhatstudentsshould______newwordsinsentencestorememberthembetter.解析：正確答案為“use”，單元文章提到“Practiceusingnewwordsinsentencestorememberthembetter.”需結合單元閱讀文章進行填空。10.Thepurposeofthepassage"WhyDoPeopleChooseCertainSubjects?"isto______.解析：正確答案為“explainreasons”，單元文章分析“Peoplechoosesubjectsbasedontheirinterests,futurecareers,andpersonalstrengths.”需結合單元閱讀文章進行填空。三、判斷題（總共10題，每題2分，共20分）1.Accordingtothepassage,allstudentsfindsciencesubjectseasytostudy.解析：錯誤。單元文章提到“Manystudentsthinkscienceishardandgiveupeasily.”故該說法與文章內容不符。2.Theunderlinedword"passion"inthesentence"Shehasapassionforlearning"means"hate."解析：錯誤。單元詞匯表中解釋“passion”意為“強烈的興趣或熱愛”，而非“hate”。3.Thepassagesuggeststhatlisteningtomusiccanhelpstudentsstudybetter.解析：錯誤。單元文章明確指出“Listeningtomusiccandistractyoufromstudying.”故該說法與文章內容相反。4.Themainideaofthepassage"TheFutureofScience"istodiscussfamousscientistsinhistory.解析：錯誤。單元文章強調“Sciencesubjectsareimportantforfuturedevelopment.”而非“famousscientists.”5.Accordingtothepassage,thebiggestchallengeforstudentswhowanttostudysciencesubjectsisnothavingenoughtimetodoexperiments.解析：錯誤。單元文章提到“Manystudentsthinkscienceishardandgiveupeasily.”而非“lackoftimeforexperiments.”6.Thephrase"setgoals"meanstogiveupstudying.解析：錯誤。單元文章解釋“Setgoalstoimproveyourgradesandskills.”意為“設定目標以提升成績和技能”，而非“giveupstudying.”7.Thepassagesaysthatartsubjectsaremoreexpensivetostudythansciencesubjects.解析：錯誤。單元文章未提及“artsubjectsaremoreexpensive.”該說法無依據。8.Thepurposeofthepassage"WhyDoPeopleChooseCertainSubjects?"istotellstudentswhichsubjectstochoose.解析：錯誤。單元文章分析“Peoplechoosesubjectsbasedontheirinterests,futurecareers,andpersonalstrengths.”而非“tellstudentstochoosesubjects.”9.Theunderlinedword"distract"inthesentence"Listeningtomusiccandistractyoufromstudying"means"takeawayattention."解析：正確。單元詞匯表中解釋“distract”意為“分散注意力”。10.Thepassagesuggeststhatstudentsshouldmemorizenewwordswithoutunderstandingtheirmeaning.解析：錯誤。單元文章提到“Practiceusingnewwordsinsentencestorememberthembetter.”而非“memorizewithoutunderstanding.”四、簡答題（總共8題，每題2分，共16分）1.Accordingtothepassage,whydosomestudentschoosetostudysciencesubjects?參考答案：Somestudentschoosesciencesubjectsbecausetheywanttounderstandtheworldbetter,helpsolveproblems,orhavefuturecareeropportunitiesinsciencefields.解析：本題考查單元主題“Whydopeoplechoosecertainsubjects?”的核心觀點。參考答案需結合單元閱讀文章和寫作任務的具體內容，如“Sciencehelpsusdiscoverhowthingswork,”“Sciencesubjectscanleadtojobsinmedicine,engineering,etc.”等表述。解析需分點闡述，每點對應文章中的具體段落或句子。2.Whatisthemainideaofthepassage"TheImportanceofScienceinDailyLife"?參考答案：Themainideaisthatsciencehelpsusimproveourdailylivesinmanyways,suchasmedicine,technology,andenvironmentalprotection.解析：本題考查單元閱讀文章“ScienceinDailyLife”的主旨概括。參考答案需結合文章開頭和結尾段落的總結性表述，如“Sciencemakesourlivesbetterandsafer,”“Sciencehelpsussolveproblemsindailylife.”等。解析需分點闡述，每點對應文章中的具體段落或句子。3.Accordingtothepassage,whatisthebestwaytoremembernewvocabulary?參考答案：Thebestwayistousethewordsinsentencesbecauseithelpsyourememberthembetter.解析：本題考查單元語法“UsingNewWords”中的學習方法建議。參考答案需結合單元文章的具體建議，如“Practiceusingnewwordsinsentencestorememberthembetter.”解析需分點闡述，每點對應文章中的具體段落或句子。4.Whatdoesthephrase"setgoals"meaninthecontextofthepassage"HowtoStudyEffectively"?參考答案：Setgoalsmeanstomakeplansforyourstudytoimproveyourgradesandskills.解析：本題考查單元詞匯短語“setgoals”的語境理解。參考答案需結合單元文章的具體解釋，如“Setgoalstoimproveyourgradesandskills.”解析需分點闡述，每點對應文章中的具體段落或句子。5.Accordingtothepassage,whydosomestudentschooseartsubjects?參考答案：Somestudentschooseartsubjectsbecausetheywanttoexpresstheircreativityandemotions.解析：本題考查單元對比閱讀“Sciencevs.Art”中的觀點呈現。參考答案需結合單元文章的具體建議，如“Arthelpsstudentsexpresstheircreativityandemotions.”解析需分點闡述，每點對應文章中的具體段落或句子。6.Whatisthepurposeofthepassage"WhyDoPeopleChooseCertainSubjects?"參考答案：Thepurposeistoexplainwhysomesubjectsaremorepopular,suchastheirinterests,futurecareers,andpersonalstrengths.解析：本題考查單元閱讀文章“SubjectChoice”的寫作目的。參考答案需結合文章引言部分的具體表述，如“Peoplechoosesubjectsbasedontheirinterests,futurecareers,andpersonalstrengths.”解析需分點闡述，每點對應文章中的具體段落或句子。7.Accordingtothepassage,whatisthebiggestchallengeforstudentswhowanttostudysciencesubjects?參考答案：Thebiggestchallengeisthatmanystudentsthinkscienceishardandgiveupeasily.解析：本題考查單元閱讀文章“ChallengesinScienceEducation”中的細節信息。參考答案需結合文章具體段落，如“Manystudentsthinkscienceishardandgiveupeasily.”解析需分點闡述，每點對應文章中的具體段落或句子。8.Whatisthemainadvicegiveninthepassage"HowtoStudyEffectively"?參考答案：Themainadviceistomakeastudyschedule,reviewnotesregularly,andaskteachersorclassmatesforhelpwhenneeded.解析：本題考查單元閱讀文章“TipsforEffectiveStudy”中的實用建議。參考答案需結合文章的具體建議，如“Makeastudyscheduleandfollowit,”“Reviewyournotesregularly,”“Askteachersorclassmatesforhelp.”解析需分點闡述，每點對應文章中的具體段落或句子。五、應用題（總共8題，每題4分，共24分）1.Readthefollowingpassageandanswerthequestion:"Manystudentsfindsciencesubjectsdifficultbecausetheyrequirealotofthinkingandproblem-solving.However,sciencecanbeveryinterestingifyoutrytounderstandit.Forexample,physicshelpsusunderstandhowthingsmove,andbiologyhelpsusunderstandlivingthings.Ifyouhaveapassionforscience,youwillenjoylearningmore."Question:Whatisthemainideaofthepassage?參考答案：Themainideaisthatsciencesubjectsmaybedifficult,buttheycanbeinterestingifstudentstrytounderstandthem.解析：本題考查單元閱讀文章“WhyScienceisImportantToday”的主旨概括。參考答案需結合文章開頭和結尾段落的總結性表述，如“Sciencecanbeveryinterestingifyoutrytounderstandit,”“Ifyouhaveapassionforscience,youwillenjoylearningmore.”解析需分點闡述，每點對應文章中的具體段落或句子。2.Writeashortpassage(50words)aboutwhyyouchoosetostudyEnglish.參考答案：IchoosetostudyEnglishbecauseithelpsmecommunicatewithpeoplefromdifferentcountries.Englishisimportantformyfuturecareerbecauseitistheworld'smostwidelyspokenlanguage.IalsoenjoyreadingEnglishbooksandwatchingEnglishmovies.StudyingEnglishmakesmemoreconfidentandopensupnewopportunities.解析：本題考查單元寫作任務“Writeashortpassageaboutasubjectyoulike”的實踐應用。參考答案需結合個人興趣和未來規劃，如“Englishhelpsmecommunicatewithpeoplefromdifferentcountries,”“Englishisimportantformyfuturecareer.”解析需分點闡述，每點對應寫作任務的具體要求。3.Readthefollowingdialogueandanswerthequestion:StudentA:Ithinksciencesubjectsaretoohard.Ialwaysgetlowgradesinphysics.StudentB:Maybeyoushouldaskyourteacherforhelp.Also,makeastudyscheduleandreviewyournoteseveryday.StudentA:That'sagoodidea.Iwilltryit.Question:WhatadvicedoesStudentBgivetoStudentA?參考答案：StudentBsuggestsaskingtheteacherforhelpandmakingastudyscheduletoreviewnoteseveryday.解析：本題考查單元閱讀文章“TipsforEffectiveStudy”中的實用建議。參考答案需結合對話中的具體建議，如“askyourteacherforhelp,”“makeastudyschedule,”“reviewyournoteseveryday.”解析需分點闡述，每點對應對話中的具體表述。4.Readthefollowingpassageandanswerthequestion:"Artsubjectsareimportantbecausetheyhelpstudentsexpressthemselvescreatively.Drawing,music,anddramaareexamplesofartsubjects.Manystudentsfindartsubjectsrelaxingandfun.Artcanalsohelpstudentsdeveloptheirimaginationandcreativity,whichareusefulskillsinmanyareasoflife."Question:Whatisthemainideaofthepassage?參考答案：Themainideaisthatartsubjectshelpstudentsexpressthemselvescreativelyanddevelopusefulskills.解析：本題考查單元對比閱讀“Sciencevs.Art”中的觀點呈現。參考答案需結合文章開頭和結尾段落的總結性表述，如“Artsubjectsareimportantbecausetheyhelpstudentsexpressthemselvescreatively,”“Artcanalsohelpstudentsdeveloptheirimaginationandcreativity.”解析需分點闡述，每點對應文章中的具體段落或句子。5.Writeashortpassage(50words)abouthowyouusenewvocabularyinyourstudy.參考答案：Iusenewvocabularyinsentencestorememberthembetter.Forexample,Iwritesentenceswithnewwordsfrommynotebookandreviewthemregularly.Ialsotrytousenewwordsinconversationswithmyclassmates.Thishelpsmerememberthewordsmoreeffectively.解析：本題考查單元語法“UsingNewWords”中的學習方法建議。參考答案需結合個人學習經驗，如“writesentenceswithnewwords,”“reviewthemregularly,”“usenewwordsinconversations.”解析需分點闡述，每點對應寫作任務的具體要求。6.Readthefollowingpassageandanswerthequestion:"Thefutureofscienceisveryexciting.Manynewdiscoveriesarebeingmadeeveryday.Forexample,scientistsareworkingonnewmedicinestocurediseases.Theyarealsodevelopingnewtechnologiestomakeourliveseasier.Sciencewillplayanimportantroleinsolvingfutureproblems,suchasclimatechangeandspaceexploration."Question:Whatisthebiggestchallengeforscientistsinthefuture?參考答案：Thebiggestchallengeissolvingfutureproblems,suchasclimatechangeandspaceexploration.解析：本題考查單元閱讀文章“TheFutureofScience”中的細節信息。參考答案需結合文章具體段落，如“Sciencewillplayanimportantroleinsolvingfutureproblems,suchasclimatechangeandspaceexploration.”解析需分點闡述，每點對應文章中的具體段落或句子。7.Writeashortpassage(50words)aboutwhyyouthinksciencesubjectsareimportanttoday.參考答案：Sciencesubjectsareimportanttodaybecausetheyhelpusunderstandtheworldandsolveproblems.Forexample,sciencehelpsusdevelopnewmedicines,technologies,andenvironmentalsolutions.Studyingsciencealsopreparesusforfuturecareersinimportantfields.解析：本題考查單元主題“Whydopeoplechoosecertainsubjects?”的核心觀點。參考答案需結合個人興趣和未來規劃，如“Sciencehelpsusunderstandtheworld,”“Sciencesubjectscanleadtojobsinmedicine,engineering,etc.”解析需分點闡述，每點對應寫作任務的具體要求。8.Readthefollowingpassageandanswerthequestion:"Manystudentschoosetostudyartsubjectsbecausetheywanttoexpresstheircreativity.Arthelpsstudentsrelaxandenjoytheirstudies.Forexample,drawingcanhelpyoufocusonyourwork,andmusiccanhelpyoufeelcalm.Artisnotjustaboutbeingcreative;itisalsoaboutlearningnewskillsandimprovingyourmind."Question:Whatisthemainideaofthepassage?參考答案：Themainideaisthatartsubjectshelpstudentsexpresstheircreativityandimprovetheirminds.解析：本題考查單元對比閱讀“Sciencevs.Art”中的觀點呈現。參考答案需結合文章開頭和結尾段落的總結性表述，如“Manystudentschoosetostudyartsubjectsbecausetheywanttoexpresstheircreativity,”“Artisnotjustaboutbeingcreative;itisalsoaboutlearningnewskillsandimprovingyourmind.”解析需分點闡述，每點對應文章中的具體段落或句子。【標準答案及解析】一、單項選擇題1.B2.B3.B4.B5.C6.B7.B8.B9.B10.B二、填空題1.understand2.review3.stronginterest4.askforhelp5.makeplans6.expressthemselves7.everyday8.takeawayattention9.use10.explainreasons三、判斷題1.×2.×3.×4.×5.×6.×7.×8.×9.√10.×四、簡答題1.Somestudentschoosesciencesubjectsbecausetheywanttounderstandtheworldbetter,helpsolveproblems,orhavefuturecareeropportunitiesinsciencefields.解析：參考單元閱讀文章“WhyScienceisImportantToday”和寫作任務“Writeashortpassageaboutasubjectyoulike”的具體內容。2.Themainideaisthatsciencehelpsusimproveourdailylivesinmanyways,suchasmedicine,technology,andenvironmentalprotection.解析：參考單元閱讀文章“ScienceinDailyLife”的主旨概括。3.Thebestwayistousethewordsinsentencesbecauseithelpsyourememberthembetter.解析：參考單元語法“UsingNewWords”中的學習方法建議。4.Setgoalsmeanstomakeplansforyourstudytoimproveyourgradesandskills.解析：參考單元文章“HowtoStudyEffectively”的具體解釋。5.Somestudentschooseartsubjectsbecausetheywanttoexpresstheircreativityandemotions.解析：參考單元對比閱讀“Sciencevs.Art”中的觀點呈現。6.Thepurposeistoexplainwhysomesubjectsaremorepopular,suchastheirinterests,futurecareers,andpersonalstrengths.解析：參考單元閱讀文章“SubjectChoice”的寫作目的。7.Thebiggestchallengeisthatmanystudentsthinkscienceishardandgive