2026年黑龙江省人教版初中英语八年级上册第5单元课后练习题

2026年黑龙江省人教版初中英语八年级上册第5单元课后练习题一、单项选择题（每题2分，共20分）1.AccordingtothepassageinUnit5,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.（解析：根据第5单元课文内容，文章主要讨论了科学学科的重要性，指出科学能够帮助学生更好地理解世界，因此B选项最符合文章主旨。A选项错误，文章未提及科学更容易；C选项片面，文章未比较科学与艺术；D选项虽然正确但不是文章重点。）2.Whatdoestheunderlinedword"breathtaking"meaninthesentence"Theviewfromthetopofthemountainwasbreathtaking"?A.BoringB.AmazingC.TiringD.Expensive（解析：根据第5单元词汇部分，"breathtaking"意为令人惊叹的，与"amazing"同义，因此B选项正确。A选项与词义相反；C选项意为疲惫的，不符；D选项意为昂贵的，与词义无关。）3.Accordingtotheadviceinthepassage,whichofthefollowingisNOTagoodwaytoimproveyoursciencelearning?A.Alwaysaskquestionsinclass.B.Readsciencebooksafterschool.C.Onlydohomeworkwithoutthinking.D.Workwithclassmatesonprojects.（解析：第5单元阅读建议中强调主动学习和合作，C选项"只做作业不思考"与建议相悖，因此C选项错误。A、B、D均为有效学习方法。）4.Whatisthebesttitleforthepassage"WhyShouldWeStudyScience"?A.TheHistoryofScienceB.FamousScientistsC.TheImportanceofScienceD.HowtoStudyMath（解析：根据文章主旨，第5单元文章重点论述了科学学科的价值，C选项"科学的重要性"最贴切，因此C选项正确。）5.Accordingtothepassage,whichofthefollowingisTRUEaboutthesciencefair?A.Onlystudentswhoaregoodatmathcanjoin.B.Studentsneedtoprepareaprojectandareport.C.Thesciencefairisonlyforscienceteachers.D.Studentscanonlyshowtheirprojectsinclass.（解析：第5单元活动部分提到科学展需要准备项目和报告，B选项正确。A选项错误，所有学生均可参加；C选项错误，活动面向学生；D选项错误，项目可展示在多个场合。）6.Whatdoesthesentence"Scienceisawayofthinking"mean?A.Scienceisasubjectinschool.B.Scienceisaboutmemorizingfacts.C.Scienceinvolvesobservingandexperimenting.D.Scienceisonlyforscientists.（解析：根据第5单元哲学性讨论，"thinking"强调科学方法，即观察和实验，C选项正确。A选项片面；B选项错误，科学重实践；D选项错误，科学是通用方法。）7.Accordingtothepassage,whydosomestudentsfeelafraidofsciencesubjects?A.Becausesciencesubjectshavetoomanyformulas.B.Becausesciencesubjectsaretoodifficultforthem.C.Becausesciencesubjectsarenotusefulforthefuture.D.Becausesciencesubjectsarenotasfunassports.（解析：第5单元讨论了学生对科学的恐惧，主要原因是难度，B选项正确。A选项部分正确但非主因；C、D选项与文章观点不符。）8.Whatisthemainideaofthepassage"TheFutureofScience"?A.Sciencewillchangeourdailylife.B.Sciencewillhelpsolvebigproblems.C.Sciencewillmaketheworldmoredangerous.D.Sciencewillreplaceallothersubjects.（解析：根据文章内容，第5单元探讨了科学的未来作用，B选项"解决大问题"最全面，因此B选项正确。）9.Accordingtothepassage,whatisthebestwaytolearnscience?A.Listentotheteacherwithoutaskingquestions.B.Onlyreadsciencebooksandmemorizethem.C.Doexperimentsandthinkabouttheresults.D.Copywhattheteachersayswithoutunderstanding.（解析：第5单元学习方法部分强调实践和思考，C选项正确。A、D选项被动学习；B选项缺乏实践。）10.Whatisthemeaningofthephrase"aworldofpossibilities"inthepassage?A.Aworldwithmanyproblems.B.Aworldwithmanychoices.C.Aworldwithnofuture.D.Aworldwithnoscience.（解析：根据第5单元语境，"possibilities"指科学带来的无限可能，B选项"许多选择"最贴切，因此B选项正确。）二、填空题（每题2分，共20分）1.Accordingtothepassage,sciencehelpsusunderstand_______andsolveproblems.（参考答案：theworld）（解析：第5单元课文明确指出科学的作用是理解世界，故填"theworld"。）2.Theunderlinedword"incredible"inthesentence"Thediscoverywasincredible"means_______.（参考答案：amazing）（解析：根据第5单元词汇部分，"incredible"意为令人难以置信的，与"amazing"同义。）3.Toimproveyoursciencegrades,youshould_______inclassandtakenotes.（参考答案：askquestions）（解析：第5单元建议中提到主动提问是有效学习方式，故填"askquestions"。）4.Thesciencefairrequiresstudentstopreparebotha_______andapresentation.（参考答案：project）（解析：第5单元活动说明中提到科学展需要准备项目，故填"project"。）5.Scienceisnotjustaboutbooks;itisalsoabout_______.（参考答案：experiments）（解析：第5单元强调科学包含实践，故填"experiments"。）6.Thepassage"WhyShouldWeStudyScience?"mainlydiscussesthe_______ofsciencesubjects.（参考答案：importance）（解析：文章主旨是科学的重要性，故填"importance"。）7.Ifyouwanttobeascientist,youneedtohaveagood_______andbecurious.（参考答案：imagination）（解析：第5单元提到科学家需要想象力，故填"imagination"。）8.Thescienceteachersaid,"Youshouldalwaysthinkaboutthe_______ofyourexperiments."（参考答案：results）（解析：第5单元学习方法中强调思考实验结果，故填"results"。）9.Accordingtothepassage,sciencecanhelpusmakea_______future.（参考答案：better）（解析：第5单元提到科学创造美好未来，故填"better"。）10.Theunderlinedword"breathtaking"inthesentence"Theviewfromthetopofthemountainwasbreathtaking"means_______.（参考答案：amazing）（解析：同第2题解析，"breathtaking"意为令人惊叹的，故填"amazing"。）三、判断题（每题2分，共20分）1.Accordingtothepassage,sciencesubjectsareeasierthanmathsubjects.（参考答案：False）（解析：文章未比较科学与数学的难度，仅强调科学的价值，故错误。）2.Thesciencefairisonlyforstudentswhoaregoodatscience.（参考答案：False）（解析：第5单元说明中提到所有学生均可参加，故错误。）3.Scienceisonlyaboutmemorizingformulasandfacts.（参考答案：False）（解析：文章强调科学重实践和思考，而非死记硬背，故错误。）4.Thepassage"TheFutureofScience"suggeststhatsciencewillreplaceallothersubjects.（参考答案：False）（解析：文章未提及科学取代其他学科，仅讨论其作用，故错误。）5.Accordingtothepassage,studentsshouldnotaskquestionsinclassbecauseitistime-consuming.（参考答案：False）（解析：文章鼓励主动提问，故错误。）6.Theunderlinedword"incredible"inthesentence"Thediscoverywasincredible"means"boring."（参考答案：False）（解析："incredible"意为令人惊叹的，与"boring"相反，故错误。）7.Scienceisnotusefulforourdailylife.（参考答案：False）（解析：文章强调科学改善生活，故错误。）8.Thescienceteachersaid,"Youshouldneverdoexperimentsbecausetheyaredangerous."（参考答案：False）（解析：文章鼓励实验，故错误。）9.Accordingtothepassage,sciencesubjectshavenofuturejobopportunities.（参考答案：False）（解析：文章提到科学有就业前景，故错误。）10.Thephrase"aworldofpossibilities"meansaworldwithnochoices.（参考答案：False）（解析："possibilities"指无限可能，与"nochoices"相反，故错误。）四、简答题（每题2分，共16分）1.Accordingtothepassage,whyisscienceimportantforstudents?（参考答案：Scienceisimportantbecauseithelpsusunderstandtheworld,solveproblems,andpreparesusforthefuture.Italsoencouragescriticalthinkingandcreativity.）（解析：文章从多个角度论述科学的重要性，包括认知、实践和未来价值，需全面回答。）2.Whatarethreewaystoimproveyoursciencelearningaccordingtothepassage?（参考答案：Threewaystoimprovesciencelearningare:1)askquestionsinclass;2)doexperiments;3)workwithclassmatesonprojects.）（解析：根据文章建议，列举三种有效方法即可。）3.Whatisthemainideaofthepassage"WhyShouldWeStudyScience"?（参考答案：Themainideaisthatscienceisessentialforunderstandingtheworld,solvingchallenges,andcreatingabetterfuture.）（解析：概括文章核心论点，需体现科学的价值。）4.Accordingtothepassage,whatisthedifferencebetweenscienceandothersubjects?（参考答案：Scienceisdifferentfromothersubjectsbecauseitinvolvesexperiments,observations,andpracticalapplications.Othersubjectsmayfocusmoreontheoryormemorization.）（解析：对比科学与其他学科的特点，突出实践性。）5.Whatdoesthephrase"criticalthinking"meaninthecontextofsciencelearning?（参考答案："Criticalthinking"insciencemeansanalyzinginformation,askingquestions,andmakinglogicaldecisionsbasedonevidence.）（解析：解释科学学习中的批判性思维，需结合上下文。）6.Accordingtothepassage,whydosomestudentsfeelafraidofsciencesubjects?（参考答案：Somestudentsfeelafraidbecausesciencesubjectsarechallenging,requirememorization,andmayseemabstract.Theymayalsolackconfidenceintheirabilitytosucceed.）（解析：分析学生恐惧的原因，需结合文章观点。）7.Whatistheroleofexperimentsinsciencelearning?（参考答案：Experimentshelpstudentsapplyknowledge,observeresults,andunderstandscientificprinciples.Theyalsodevelopproblem-solvingskills.）（解析：说明实验的作用，需体现实践与认知的结合。）8.Accordingtothepassage,howcansciencehelpusinthefuture?（参考答案：Sciencecanhelpussolveglobalproblemslikeclimatechange,developnewtechnologies,andimprovedailylifethroughinnovation.）（解析：阐述科学的未来价值，需结合文章内容。）五、应用题（每题4分，共24分）1.SupposeyouareastudentinGrade8.Writeashortparagraph(about50words)explainingwhyyouthinksciencesubjectsareimportant.（参考答案：Sciencesubjectsareimportantbecausetheyhelpusunderstandtheworld.Theyteachushowthingsworkandprepareusforthefuture.Learningsciencealsoencouragescuriosityandcreativity.）（解析：要求结合个人理解，需体现科学的价值和意义。）2.Imagineyouareparticipatinginthesciencefair.Describeyourprojectandexplainwhyitisinteresting.（参考答案：Myprojectisaboutsolarenergy.Ibuiltasmallsolar-poweredcar.Itisinterestingbecauseitshowshowwecanuserenewableenergy.Thisprojecthelpsusthinkabouttheenvironmentandfuturetechnology.）（解析：要求描述项目并说明意义，需体现科学实践与思考。）3.Accordingtothepassage,whataretwochallengesinlearningscience?Howcanyouovercomethem?（参考答案：Twochallengesarememorizingmanyfactsandunderstandingcomplexconcepts.Toovercomethem,Icanaskquestions,doexperiments,andworkwithclassmatestostudytogether.）（解析：分析挑战并提解决方案，需结合文章建议。）4.Writeashortparagraph(about50words)explaininghowsciencecanhelpsolveaprobleminyourcommunity.（参考答案：Sciencecanhelpsolvepollutionproblems.Forexample,wecanstudyhowtorecyclewasteandreduceplasticuse.Sciencegivesusideastoprotecttheenvironmentandmakeourcommunitybetter.）（解析：要求结合实际，需体现科学的应用价值。）5.Supposeyourscienceteacherasksyoutowriteareportabout"TheImportanceofScience."Whatwouldyouincludeinyourreport?（参考答案：Myreportwouldinclude:1)howsciencehelpsusunderstandtheworld;2)itsroleinsolvingproblems;3)itsimpactondailylifeandfuturejobs.Iwouldalsoaddexamplesofscientificdiscoveries.）（解析：要求规划报告内容，需体现科学的全面价值。）6.Imagineyouareinterviewingascientist.Whatquestionswouldyouaskaboutsciencelearning?（参考答案：Iwouldask:1)Whatinspiredyoutostudyscience?2)Whatadvicedoyouhaveforstudentslearningscience?3)Howdoessciencechangeourlives?Thesequestionshelpmelearnmoreaboutscience.）（解析：要求设计采访问题，需体现对科学的深入思考。）【标准答案及解析】一、单项选择题1.B2.B3.C4.C5.B6.C7.B8.B9.C10.B二、填空题1.theworld2.amazing3.askquestions4.project5.experiments6.importance7.imagination8.results9.better10.amazing三、判断题1.False2.False3.False4.False5.False6.False7.False8.False9.False10.False四、简答题1.参考答案：Scienceisimportantbecauseithelpsusunderstandtheworld,solveproblems,preparesusforthefuture,encouragescriticalthinking,andcreativity.解析：文章从认知、实践、未来、思维等方面论述科学价值，需全面回答。2.参考答案：Threewaystoimprovesciencelearningare:1)askquestionsinclass;2)doexperiments;3)workwithclassmatesonprojects.解析：根据文章建议，列举三种有效方法即可。3.参考答案：Themainideaisthatscienceisessentialforunderstandingtheworld,solvingchallenges,andcreatingabetterfuture.解析：概括文章核心论点，需体现科学的价值。4.参考答案：Scienceisdifferentfromothersubjectsbecauseitinvolvesexperiments,observations,andpracticalapplications.Othersubjectsmayfocusmoreontheoryormemorization.解析：对比科学与其他学科的特点，突出实践性。5.参考答案："Criticalthinking"insciencemeansanalyzinginformation,askingquestions,andmakinglogicaldecisionsbasedonevidence.解析：解释科学学习中的批判性思维，需结合上下文。6.参考答案：Somestudentsfeelafraidbecausesciencesubjectsarechallenging,requirememorization,andmayseemabstract.Theymayalsolackconfidenceintheirabilitytosucceed.解析：分析学生恐惧的原因，需结合文章观点。7.参考答案：Experimentshelpstudentsapplyknowledge,observeresults,andunderstandscientificprinciples.Theyalsodevelopproblem-solvingskills.解析：说明实验的作用，需体现实践与认知的结合。8.参考答案：Sciencecanhelpussolveglobalproblemslikeclimatechange,developnewtechnologies,andimprovedailylifethroughinnovation.解析：阐述科学的未来价值，需结合文章内容。五、应用题1.参考答案：Sciencesubjectsareimportantbecausethe