2026年江苏省湘教版九年级英语下册第三章知识点巩固习题

2026年江苏省湘教版九年级英语下册第三章知识点巩固习题一、单项选择题（每题2分，共20分）1.AccordingtothepassageinUnit3,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.（解析：根据湘教版九年级英语下册第三章内容，文章主要强调科学学科的重要性在于帮助学生更好地理解世界，选项B准确反映了这一核心观点。选项A、C、D虽然可能是部分学生的选择原因，但并非文章主旨。）2.ThetextmentionsafamousscientistnamedMarieCurie.Whatachievementisshemostfamousfor?A.Sheinventedthefirstcomputer.B.Shediscoveredthefirsttwoelements,poloniumandradium.C.Shewrotethefirstsciencefictionbook.D.Shedevelopedthefirstvaccineforsmallpox.（解析：根据教材第三章关于科学家的介绍，玛丽•居里最著名的成就是发现钋和镭两种元素，选项B符合教材内容。其他选项分别属于计算机、文学和医学领域，与居里无关。）3.Whenthestudentswereaskedabouttheirfuturecareers,mostofthemsaidtheywantedtobecome______.A.teachersbecausetheylovechildrenB.doctorsbecausetheywanttohelppeopleC.artistsbecausetheyaregoodatdrawingD.engineersbecausetheyliketobuildthings（解析：根据教材第三章关于职业选择的讨论，文章提到许多学生希望成为医生以帮助他人，选项B与教材内容一致。其他选项虽然可能是真实想法，但非文章重点。）4.Thepassagesuggeststhattobecomeasuccessfulscientist,oneneedsto______.A.begoodatmemorizingfactsB.havealotofmoneytobuyequipmentC.becuriousandkeepexploringD.studyonlyinthelibrary（解析：教材第三章强调科学家的成功需要好奇心和持续探索的精神，选项C准确反映了这一观点。选项A、B、D虽然可能是部分条件，但并非文章核心要求。）5.Whatdoestheword"curiosity"meaninthecontextofthepassage?A.lazinessB.interestinlearningnewthingsC.fearoffailureD.hatredofscience（解析：根据教材第三章对科学精神的描述，curiosity意为“好奇心”，即对未知事物感兴趣，选项B符合定义。其他选项与curiosity含义相反。）6.Thetextcomparessciencesubjectswithartsubjects.Whatisthemaindifferencementioned?A.Sciencesubjectsareharderthanartsubjects.B.Sciencesubjectsaremoreusefulforjobs.C.Sciencesubjectsfocusoncreativity,whileartsubjectsfocusonfacts.D.Sciencesubjectsaremoreboringthanartsubjects.（解析：教材第三章对比科学和艺术时，强调科学注重事实，艺术注重创造力，选项C准确反映了这一差异。其他选项可能部分正确，但非文章主旨。）7.WhydoestheauthormentiontheexampleofIsaacNewtoninthepassage?A.Toshowthatscientistsarerich.B.Toshowthatscientistsarelazy.C.Toexplainhowscientificideaschangetheworld.D.Toexplainthatscientistsdonotneedtostudyhard.（解析：教材第三章通过牛顿的例子说明科学思想如何改变世界，选项C符合文章意图。其他选项与教材内容不符。）8.Accordingtothepassage,whatisthebiggestchallengeforstudentswhowanttostudyscience?A.Theydonothaveenoughmoney.B.Theydonotliketoreadbooks.C.Theydonothaveenoughcuriosity.D.Theydonothavegoodteachers.（解析：教材第三章提到科学学习的最大挑战是缺乏好奇心，选项C符合文章内容。其他选项虽然可能是问题，但非文章重点。）9.Thepassagementionsasciencecompetition.Whatisthepurposeofthecompetition?A.Tomakestudentsmoreinterestedinscience.B.Tomakestudentsmoreinterestedinsports.C.Tomakestudentsmoreinterestedinart.D.Tomakestudentsmoreinterestedinmusic.（解析：教材第三章提到科学竞赛旨在激发学生对科学的兴趣，选项A符合文章内容。其他选项与竞赛无关。）10.WhatisthemainideaofthepassageinUnit3?A.Sciencesubjectsarethebestsubjectstostudy.B.Sciencesubjectsarethehardestsubjectstostudy.C.Sciencesubjectscanhelpusunderstandtheworld.D.Sciencesubjectsaremoreimportantthanartsubjects.（解析：教材第三章的核心观点是科学学科有助于理解世界，选项C准确反映了这一主旨。其他选项可能部分正确，但非文章核心。）二、填空题（每题2分，共20分）1.Accordingtothepassage,manystudentschoosetostudysciencebecausetheywantto______theworldbetter.（参考答案：understand）（解析：教材第三章提到学生选择科学学科的原因是希望更好地理解世界，空格处应填understand。）2.MarieCurieisfamousfor______twoelements,poloniumandradium.（参考答案：discovering）（解析：教材第三章介绍居里发现钋和镭两种元素，空格处应填discovering。）3.Thepassagesuggeststhattobecomeasuccessfulscientist,oneneedstobe______andkeepexploring.（参考答案：curious）（解析：教材第三章强调科学家的成功需要好奇心，空格处应填curious。）4.Whatdoestheword"equipment"meaninthecontextofthepassage?（参考答案：tools）（解析：教材第三章提到科学家需要很多设备，equipment意为“设备”或“工具”，此处可理解为tools。）5.Thepassagecomparessciencesubjectswithartsubjects.Accordingtothepassage,sciencesubjectsfocuson______,whileartsubjectsfocuson______.（参考答案：facts,creativity）（解析：教材第三章对比科学和艺术时，科学注重事实，艺术注重创造力，空格处分别填facts和creativity。）6.WhydoestheauthormentiontheexampleofIsaacNewton?（参考答案：Toshowhowscientificideaschangetheworld）（解析：教材第三章通过牛顿的例子说明科学思想如何改变世界，空格处应填Toshowhowscientificideaschangetheworld。）7.Accordingtothepassage,whatisthebiggestchallengeforstudentswhowanttostudyscience?（参考答案：Theydonothaveenoughcuriosity）（解析：教材第三章提到科学学习的最大挑战是缺乏好奇心，空格处应填Theydonothaveenoughcuriosity。）8.Thepassagementionsasciencecompetition.Whatisthepurposeofthecompetition?（参考答案：Tomakestudentsmoreinterestedinscience）（解析：教材第三章提到科学竞赛旨在激发学生对科学的兴趣，空格处应填Tomakestudentsmoreinterestedinscience。）9.WhatisthemainideaofthepassageinUnit3?（参考答案：Sciencesubjectscanhelpusunderstandtheworld）（解析：教材第三章的核心观点是科学学科有助于理解世界，空格处应填Sciencesubjectscanhelpusunderstandtheworld。）10.Accordingtothepassage,manystudentschoosetostudysciencebecausetheywantto______.（参考答案：helppeople）（解析：教材第三章提到许多学生希望成为医生以帮助他人，空格处应填helppeople。）三、判断题（每题2分，共20分）1.Accordingtothepassage,sciencesubjectsareeasierthanartsubjects.（参考答案：False）（解析：教材第三章并未比较科学和艺术的难度，只是强调各自的特点，因此该说法错误。）2.MarieCuriediscoveredthefirsttwoelements,poloniumandradium.（参考答案：True）（解析：教材第三章明确提到居里发现钋和镭两种元素，因此该说法正确。）3.Thepassagesuggeststhattobecomeasuccessfulscientist,oneneedstostudyonlyinthelibrary.（参考答案：False）（解析：教材第三章强调科学家需要持续探索，而不仅仅是图书馆学习，因此该说法错误。）4.Thepassagementionsasciencecompetitiontomakestudentsmoreinterestedinsports.（参考答案：False）（解析：教材第三章提到科学竞赛旨在激发对科学的兴趣，而非体育，因此该说法错误。）5.Accordingtothepassage,themainideaisthatsciencesubjectsaremoreimportantthanartsubjects.（参考答案：False）（解析：教材第三章并未比较科学和艺术的重要性，只是强调各自的特点，因此该说法错误。）6.Theword"curiosity"inthepassagemeans"laziness."（参考答案：False）（解析：教材第三章将curiosity解释为好奇心，与懒惰相反，因此该说法错误。）7.Thepassagecomparessciencesubjectswithartsubjects.Accordingtothepassage,sciencesubjectsfocusoncreativity.（参考答案：False）（解析：教材第三章对比科学和艺术时，科学注重事实，艺术注重创造力，因此该说法错误。）8.Thepassagesuggeststhatsciencesubjectsarethebestsubjectstostudy.（参考答案：False）（解析：教材第三章并未说科学是最好的学科，只是强调其重要性，因此该说法错误。）9.Thepassagementionsthatmanystudentschoosetostudysciencebecausetheywanttoberich.（参考答案：False）（解析：教材第三章并未提到学生选择科学是为了赚钱，而是为了理解世界，因此该说法错误。）10.Thepassagesuggeststhatscientistsdonotneedtostudyhard.（参考答案：False）（解析：教材第三章强调科学家需要努力学习和探索，因此该说法错误。）四、简答题（每题2分，共16分）1.Accordingtothepassage,whydomanystudentschoosetostudysciencesubjects?（参考答案：Manystudentschoosetostudysciencesubjectsbecausetheywanttounderstandtheworldbetter.Sciencesubjectscanhelpthemexplorehowthingsworkandwhythingshappen.Thiscuriosityanddesiretolearnmoremakescienceanattractivechoiceformanystudents.）（解析：教材第三章提到学生选择科学学科的原因是希望更好地理解世界，通过探索事物运作原理和原因来满足好奇心，因此答案应围绕理解世界和探索原理展开。）2.WhatisthemainachievementofMarieCuriementionedinthepassage?（参考答案：ThemainachievementofMarieCuriementionedinthepassageisthatshediscoveredthefirsttwoelements,poloniumandradium.Thisdiscoverywasasignificantcontributiontothefieldofscienceandhelpedchangehowweunderstandtheworld.）（解析：教材第三章重点介绍居里发现钋和镭两种元素，答案应围绕这一发现及其意义展开。）3.Accordingtothepassage,whatisthebiggestchallengeforstudentswhowanttostudyscience?（参考答案：Thebiggestchallengeforstudentswhowanttostudyscienceisthattheydonothaveenoughcuriosity.Sciencerequiresastrongdesiretoexploreandlearn,andwithoutcuriosity,itisdifficulttosucceedinthisfield.）（解析：教材第三章提到科学学习的最大挑战是缺乏好奇心，答案应强调好奇心在科学学习中的重要性。）4.Whatdoesthepassagesuggestabouttherelationshipbetweensciencesubjectsandartsubjects?（参考答案：Thepassagesuggeststhatsciencesubjectsandartsubjectsaredifferentintheirfocus.Sciencesubjectsfocusonfactsandhowthingswork,whileartsubjectsfocusoncreativityandexpression.Bothareimportantintheirownways,buttheyapproachknowledgeandunderstandingdifferently.）（解析：教材第三章对比科学和艺术时，强调科学注重事实，艺术注重创造力，答案应围绕这一差异展开。）5.Accordingtothepassage,whatisthepurposeofthesciencecompetitionmentioned?（参考答案：Thepurposeofthesciencecompetitionmentionedinthepassageistomakestudentsmoreinterestedinscience.Byparticipatinginthecompetition,studentscanexplorescientificideas,solveproblems,anddeveloptheirskillsinafunandengagingway.Thishelpstoinspiretheirinterestinscienceandencouragethemtopursueitfurther.）（解析：教材第三章提到科学竞赛旨在激发对科学的兴趣，答案应围绕竞赛如何帮助学生探索科学、解决问题和激发兴趣展开。）6.WhatisthemainideaofthepassageinUnit3?（参考答案：ThemainideaofthepassageinUnit3isthatsciencesubjectscanhelpusunderstandtheworldbetter.Bystudyingscience,studentscanexplorehowthingswork,discovernewfacts,anddevelopcriticalthinkingskillsthatareusefulinmanyareasoflife.）（解析：教材第三章的核心观点是科学学科有助于理解世界，答案应围绕科学学科如何帮助学生探索世界、发现事实和发展思维能力展开。）7.Accordingtothepassage,whatdoestheword"curiosity"meaninthecontextofscience?（参考答案：Inthecontextofscience,theword"curiosity"meansastrongdesiretolearnandexplore.Itisthedrivetoaskquestions,seekanswers,andunderstandhowthingswork.Curiosityisessentialforscientistsbecauseitmotivatesthemtodiscovernewthingsandmakesignificantcontributionstotheirfield.）（解析：教材第三章将curiosity解释为科学中的好奇心，答案应围绕其定义和重要性展开。）8.Whatisthebiggestchallengeforstudentswhowanttostudyscienceaccordingtothepassage?（参考答案：Thebiggestchallengeforstudentswhowanttostudyscienceisthattheydonothaveenoughcuriosity.Sciencerequiresastrongdesiretoexploreandlearn,andwithoutcuriosity,itisdifficulttosucceedinthisfield.Studentswholackcuriositymayfindithardtostaymotivatedandengagedinscientificstudies.）（解析：教材第三章提到科学学习的最大挑战是缺乏好奇心，答案应强调好奇心在科学学习中的重要性，并说明缺乏好奇心的影响。）五、应用题（每题4分，共24分）1.Supposeyouareastudentinascienceclass.Writeashortparagraph(about50words)explainingwhyyouthinksciencesubjectsareimportant.（参考答案：Sciencesubjectsareimportantbecausetheyhelpusunderstandtheworldbetter.Bystudyingscience,wecanexplorehowthingswork,discovernewfacts,anddevelopcriticalthinkingskills.Theseskillsareusefulinmanyareasoflifeandcanhelpussolveproblemsandmakeinformeddecisions.）（解析：题目要求学生结合教材第三章内容，解释科学学科的重要性。答案应围绕科学如何帮助学生理解世界、探索原理、发展思维能力和解决问题展开。）2.Imagineyouareorganizingasciencecompetitionatyourschool.Writeashortparagraph(about50words)describingwhatactivitiesyouwouldincludeinthecompetition.（参考答案：Forthesciencecompetition,Iwouldincludeactivitieslikebuildingarobot,conductingascienceexperiment,andsolvingamathproblem.Theseactivitieswouldallowstudentstoexploredifferentareasofscience,developtheirskills,andhavefunwhilelearning.Thecompetitionwouldalsoencourageteamworkandcreativity.）（解析：题目要求学生结合教材第三章内容，描述科学竞赛的活动。答案应围绕科学实验、机器人制作、数学问题解决等活动展开，并强调团队合作和创造力。）3.Supposeyouarereadingapassageaboutafamousscientist.Writeashortparagraph(about50words)describingwhatyouwouldlookforinthepassage.（参考答案：Inapassageaboutafamousscientist,Iwouldlookforinformationabouttheirachievements,theircontributionstoscience,andhowtheyovercamechallenges.Iwouldalsobeinterestedinlearningabouttheirpersonalityandwhatmotivatedthemtopursuescience.Thiswouldhelpmeunderstandtheirimpactonthefieldandinspiremetoexploresciencefurther.）（解析：题目要求学生结合教材第三章内容，描述阅读关于科学家的文章时应关注的内容。答案应围绕科学家的成就、贡献、挑战、性格和动机等方面展开。）4.Writeashortparagraph(about50words)explaininghowsciencesubjectscanhelpussolveproblemsindailylife.（参考答案：Sciencesubjectscanhelpussolveproblemsindailylifebyteachingushowtothinkcriticallyandlogically.Forexample,understandingbasicphysicscanhelpusfixabrokentoy,whileknowledgeofchemistrycanhelpuscookfoodsafely.Sciencealsoencouragesustoaskquestionsandseekanswers,whichisusefulinmanysituations.）（解析：题目要求学生结合教材第三章内容，解释科学学科如何帮助解决日常生活问题。答案应围绕科学学科如何培养批判性思维、逻辑能力以及如何应用于实际生活展开。）5.Supposeyouareateacher.Writeashortparagraph(about50words)explaininghowyouwouldmakescienceclassmoreinterestingforstudents.（参考答案：Tomakescienceclassmoreinteresting,Iwouldincludehands-onexperiments,real-worldexamples,andgroupprojects.Theseactivitieswouldallowstudentstoexplorescienceactivelyandseeitsrelevanceintheirlives.Iwouldalsoencouragestudentstoaskquestionsandsharetheirideas,creatingafunandengaginglearningenvironment.）（解析：题目要求学生结合教材第三章内容，描述如何让科学课更有趣。答案应围绕实验、实际案例、小组项目以及鼓励学生提问等方面展开。）6.Writeashortparagraph(about50words)explainingwhycuriosityisimportantforscientists.（参考答案：Curiosityisimportantforscientistsbecauseitdrivesthemtoexploreanddiscovernewthings.Withoutcuriosity,scientistswouldnotaskquestionsorseekanswers,andtherewouldbenoscientificprogress.Curiositymotivatesscientiststostudytheunknown,solveproblems,andmakesignificantcontributionstotheirfield.）（解析：题目要求学生结合教材第三章内容，解释好奇心对科学家的意义。答案应围绕好奇心如何驱动科学家探索、发现、提问和解决问题展开。）【标准答案及解析】一、单项选择题1.B2.B3.B4.C5.B6.C7.C8.C9.A10.C二、填空题1.understand2.discovering3.curious4.tools5.facts,creativity6.Toshowhowscientificideaschangetheworld7.Theydonothaveenoughcuriosity8.Tomakestudentsmoreinterestedinscience9.Sciencesubjectscanhelpusunderstandtheworld10.helppeople三、判断题1.False2.True3.False4.False5.False6.False7.False8.False9.False10.False四、简答题1.Manystudentschoosetostudysciencesubjectsbecausetheywanttounderstandtheworldbetter.Sciencesubjectscanhelpthemexplorehowthingsworkandwhythingshappen.Thiscuriosityanddesiretolearnmoremakescienceanattractivechoiceformanystudents.2.ThemainachievementofMarieCuriementionedinthepassageisthatshediscoveredthefirsttwoelements,poloniumandradium.Thisdiscoverywasasignificantcontributiontothefieldofscienceandhelpedchangehowweunderstandtheworld.3.Thebiggestchallengeforstudentswhowanttostudyscienceisthattheydonothaveenoughcuriosity.Sciencerequiresastrongdesiretoexploreandlearn,andwithoutcuriosity,itisdifficulttosucceedinthisfield.4.Thepassagesuggeststhatsciencesubjectsandartsubjectsaredifferentintheirfocus.Sciencesubjectsfocusonfactsandhowthingswork,whileartsubjectsfocusoncreativityandexpression.Bothareimportantintheirownways,buttheyapproachknowledgeandunderstandingdifferently.5.Thepurposeofthesciencecompetitionmentionedinthepassageistomakestudentsmoreinterestedinscience.Byparticipatinginthecompetition,studentscanexplorescientificideas,solveproblems,anddeveloptheirskillsinafunandengagingway.Thishelpstoinspiretheirinterestinscienceandencouragethemtopursueitfurther.6.ThemainideaofthepassageinUnit3isthatsciencesubjectscanhelpusunderstandtheworldbetter.Bystudyingscience,studentscanexplorehowthingswork,discovernewfacts,anddevelopcriticalthinkingskillsthatareusefulinmanyareasoflife.7.Inthecontextofscience,theword"curiosity"meansastrongdesiretolearnandexplore.Itisthedrivetoaskquestions,seekanswers,andunderstandhowthingswork.Curiosityisessentialforscientistsbecauseitmotivatesthemtodiscovernewthingsandmakesignificantcontributionstotheirfield.8.Thebiggestchallengeforstudentswhowanttostudyscienceisthattheydonothaveenoughcuriosity.Sciencerequiresastrongdesiretoexploreandlearn,andwithoutcuriosity,itisdifficulttosucceedinthisfield.Studentswholackcuriositymayfindithardtostaymotivatedandengagedinscientificstudies.五、应用题1.Sciencesubjectsareimportantbecausetheyhelpusunderstandtheworldbetter.Bystudyingscience,wecanexplorehowthingswork,discovernewfacts,anddevelopcriticalthi