2025-2026年重庆市人教版八年级英语第9单元课后练习题

2025-2026年重庆市人教版八年级英语第9单元课后练习题一、单项选择题（每题2分，共20分）1.AccordingtothepassageinUnit9,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.解析：本题考查学生对单元主题“Whydopeoplechoosesciencesubjects?”的理解。正确答案为B，因为单元文章强调科学学科能帮助学生更好地理解世界，这与文章主旨一致。选项A、C、D虽然可能是部分学生的原因，但并非文章的核心观点。2.Whatdoestheunderlinedword"inspire"meaninthesentence"Manyscientistsareinspiredbythebeautyofnature."?A.MakesomeonefeelboredB.MakesomeonefeelinterestedC.MakesomeonefeeldisappointedD.Makesomeonefeelangry解析：本题考查词汇理解能力。根据上下文，"inspire"意为“激励，鼓舞”，与“beautyofnature”搭配，表示自然之美激发科学家的灵感。正确答案为B。选项A、C、D与语境不符。3.Accordingtothepassage,whichofthefollowingisNOTabenefitofstudyingsciencesubjects?A.Itcanhelpyoudevelopcriticalthinkingskills.B.Itcanimproveyourjobprospectsinthefuture.C.Itcanmakeyoumorecreativeinsolvingproblems.D.Itcanhelpyouunderstandthehistoryofscience.解析：本题考查对单元文章细节的理解。文章强调科学学科能培养批判性思维、提高就业前景、增强解决问题的创造力，但未提及历史学习。正确答案为D。4.WhatisthebesttitleforthepassageinUnit9?A.TheImportanceofScienceSubjectsB.WhyStudentsShouldStudyScienceC.TheHistoryofFamousScientistsD.TheFutureofScienceandTechnology解析：本题考查文章主旨概括能力。文章围绕学生选择科学学科的原因展开，正确答案为B。选项A、C、D虽然与科学相关，但未涵盖文章核心内容。5.Accordingtothepassage,whatdoes"acareerinscience"mean?A.Ajobasateacherinascienceclass.B.Ajobthatinvolvesscientificresearchorwork.C.Ajobthatisonlyforpeoplewhoareverysmart.D.Ajobthatisonlyforpeoplewholoveanimals.解析：本题考查对专业术语的理解。根据单元文章，“acareerinscience”指从事科学研究或相关工作，正确答案为B。选项A、C、D与定义不符。6.WhatisthemainideaofthesecondparagraphinUnit9?A.Manystudentsfindsciencesubjectsdifficult.B.Sciencesubjectscanhelppeopleunderstandtheworld.C.Scientistsarealwaysinspiredbynature.D.Sciencesubjectsaremoreimportantthanartsubjects.解析：本题考查段落主旨把握。第二段强调科学学科帮助人们理解世界，正确答案为B。选项A、C、D虽然可能是部分内容，但非段落核心。7.Accordingtothepassage,whydosomestudentsthinksciencesubjectsarechallenging?A.Becausetheyaretooboring.B.Becausetheyrequirealotofmemorization.C.Becausetheyarenotaspopularasartsubjects.D.Becausetheyinvolvecomplexmathematicalproblems.解析：本题考查对文章细节的理解。文章提到科学学科需要逻辑思维和实验能力，但未明确指出数学问题，正确答案为D。8.Whatdoesthepassagesuggestaboutthefutureofscience?A.Sciencewillbecomelessimportantinthefuture.B.Sciencewillonlybestudiedbyafewpeople.C.Sciencewillcontinuetoplayacrucialroleinsociety.D.Sciencewillreplaceartsubjectsinschools.解析：本题考查对文章结论的把握。文章暗示科学将继续对社会产生重要影响，正确答案为C。选项A、B、D与文章观点相反。9.Accordingtothepassage,whatisthedifferencebetweenscienceandart?A.Scienceismorelogical,whileartismoreemotional.B.Scienceismorecreative,whileartismoretechnical.C.Scienceismoreimportant,whileartislessimportant.D.Scienceismoredifficult,whileartiseasier.解析：本题考查对单元文章比较分析的理解。文章提到科学逻辑性强，艺术情感丰富，正确答案为A。10.Whatistheauthor'spurposeinwritingthispassage?A.Topersuadestudentstostudysciencesubjects.B.Todescribethehistoryofscience.C.Tocomparescienceandartsubjects.D.Toexplainhowtobecomeascientist.解析：本题考查写作目的分析。文章旨在鼓励学生学习科学，正确答案为A。选项B、C、D虽然与内容相关，但非写作主旨。二、填空题（每空2分，共20分）1.Manystudentschoosetostudysciencesubjectsbecausetheybelieveitcanhelpthem_______theworldbetter.2.Thepassagementionsthatmanyscientistsare_______bythebeautyofnature.3.Studyingsciencesubjectscanhelpyoudevelop_______thinkingskills.4.Acareerinsciencecanprovidemany_______opportunitiesinthefuture.5.Somestudentsfindsciencesubjectschallengingbecausetheyrequirealotof_______.6.Thefutureofsciencelooksvery_______andfullofpossibilities.7.Accordingtothepassage,scienceandartarevery_______intheirapproaches.8.Theauthorofthepassagewantsto_______studentstostudysciencesubjects.9.Manyscientistsareinspiredbythe_______ofnature.10.Studyingsciencesubjectscanhelpyoubecomeamore_______problem-solver.参考答案：1.understand2.inspired3.critical4.job5.memorization6.bright7.different8.encourage9.beauty10.creative三、判断题（每题2分，共20分）1.Accordingtothepassage,allstudentsfindsciencesubjectseasy.(×)解析：文章提到部分学生觉得科学学科有挑战性，故错误。2.Thepassagesuggeststhatsciencesubjectsaremoreimportantthanartsubjects.(×)解析：文章未对两者进行重要性比较，故错误。3.Manystudentschoosetostudysciencesubjectsbecausetheyaremoreinterestingthanartsubjects.(×)解析：文章强调科学学科能帮助理解世界，未提及趣味性比较，故错误。4.Acareerinsciencemeansworkingasateacherinascienceclass.(×)解析：文章定义“acareerinscience”为科学研究或相关工作，故错误。5.Thefutureofsciencelooksverybrightandfullofpossibilities.(√)解析：文章暗示科学未来充满希望，故正确。6.Somestudentsfindsciencesubjectschallengingbecausetheyrequirealotofmemorization.(×)解析：文章未明确提及记忆问题，故错误。7.Theauthorofthepassagewantstopersuadestudentstostudysciencesubjects.(√)解析：文章鼓励学生学习科学，故正确。8.Manyscientistsareinspiredbythehistoryofscience.(×)解析：文章提到自然之美激发灵感，未提及历史，故错误。9.Scienceandartareverydifferentintheirapproaches.(√)解析：文章比较两者逻辑与情感差异，故正确。10.Studyingsciencesubjectscanhelpyoubecomeamorecreativeproblem-solver.(×)解析：文章强调创造力，但未明确指出科学学科直接培养创造力，故错误。四、简答题（每题2分，共16分）1.Whydomanystudentschoosetostudysciencesubjectsaccordingtothepassage?参考答案：根据文章，学生选择科学学科的原因包括：能帮助理解世界、未来就业机会多、培养批判性思维等。解析：答案需涵盖文章核心观点，解析需详细说明每个原因的依据。2.Whatdoesthepassagesuggestaboutthefutureofscience?参考答案：文章暗示科学将继续对社会产生重要影响，未来充满希望。解析：答案需结合文章结论，解析需分析作者的预测逻辑。3.Whatisthedifferencebetweenscienceandartaccordingtothepassage?参考答案：科学逻辑性强，艺术情感丰富。解析：答案需明确比较点，解析需结合文章描述。4.Whydosomestudentsfindsciencesubjectschallenging?参考答案：部分学生觉得科学学科有挑战性，可能因为需要逻辑思维和实验能力。解析：答案需基于文章细节，解析需分析原因的合理性。5.Whatistheauthor'spurposeinwritingthispassage?参考答案：鼓励学生学习科学学科。解析：答案需明确写作意图，解析需结合文章结构。6.Howcanstudyingsciencesubjectshelpyouinthefuture?参考答案：培养批判性思维、提高就业前景、增强解决问题的能力。解析：答案需全面，解析需结合实际应用。7.Whatdoes"acareerinscience"meanaccordingtothepassage?参考答案：指从事科学研究或相关工作。解析：答案需准确定义，解析需结合文章术语解释。8.Whyaremanyscientistsinspiredbynature?参考答案：自然之美能激发科学家的灵感，推动科学研究。解析：答案需结合上下文，解析需分析情感与科学的联系。五、应用题（每题4分，共24分）1.SupposeyouareastudentinGrade8.Writeashortparagraph(about50words)explainingwhyyouchoosetostudysciencesubjects.参考答案：Ichoosetostudysciencebecauseithelpsmeunderstandtheworldbetter.Sciencesubjectsareinterestingandcanhelpmedevelopcriticalthinkingskills.Inthefuture,sciencecanprovidemanyjobopportunities.Ibelievestudyingscienceisimportantformyfuture.2.Imagineyouareateacher.Writeashortparagraph(about50words)encouragingyourstudentstostudysciencesubjects.参考答案：Dearstudents,studyingsciencecanopenmanydoorsforyourfuture.Sciencehelpsyouthinklogicallyandsolveproblemscreatively.Italsoprovidesmanyjobopportunities.Iencourageyoutoexploretheworldofscienceanddiscoveritswonders.3.Supposeyouareinterviewingafamousscientist.Writeashortparagraph(about50words)askingthescientistabouttheirinspiration.参考答案：Hello,couldyoutellmewhatinspiredyoutobecomeascientist?Iaminterestedinhowyoudiscoveredyourpassionforscience.Didyoufindanyparticulareventorpersonthatinfluencedyourdecision?4.Writeashortparagraph(about50words)explaininghowsciencesubjectscanhelpyoubecomeabetterproblem-solver.参考答案：Sciencesubjectsteachmetothinklogicallyandanalyzeproblemsstepbystep.Theyalsohelpmeunderstandtheworldbetter,whichisusefulinsolvingreal-lifeissues.Studyingsciencemakesmeamorecreativeandeffectiveproblem-solver.5.Supposeyouarewritinganarticleaboutthefutureofscience.Writeashortparagraph(about50words)describingwhatsciencewillbelikeinthefuture.参考答案：Inthefuture,sciencewillcontinuetoadvancerapidly,bringingmanynewdiscoveriesandtechnologies.Itwillplayacrucialroleinsolvingglobalchallengeslikeclimatechangeandhealthissues.Sciencewillmakeourlivesbetterandmoreconvenient.6.Writeashortparagraph(about50words)explainingwhysomestudentsfindsciencesubjectschallenging.参考答案：Somestudentsfindsciencesubjectschallengingbecausetheyrequirealotoflogicalthinkingandhands-onexperiments.Sciencesubjectsalsoinvolvecomplexconceptsthatneedtimetounderstand.However,witheffortandpractice,studentscanovercomethesec