2025-2026年重庆市人教版八年级英语第7单元课后练习题

2025-2026年重庆市人教版八年级英语第7单元课后练习题一、单项选择题（每题2分，共20分）1.AccordingtothepassageinUnit7,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“激发兴趣”相符，故选B。选项A、C、D与词义相反。3.Accordingtothepassage,whichofthefollowingisNOTabenefitofstudyingsciencesubjects?A.Itcanhelpyoudevelopcriticalthinkingskills.B.Itcanimproveyourcreativity.C.Itcanmakeyoumoreinterestedinart.D.Itcanhelpyousolveproblemsmoreeffectively.解析：本题考查对科学学科优势的把握。单元文章提到科学学科能培养批判性思维、创造力和解决问题的能力，但未提及与艺术兴趣相关的内容，故选C。4.Whatisthemainideaofthearticle"TheFutureofScience"?A.Sciencesubjectsarebecomingmorepopularinschools.B.Scientistsareworkingonnewtechnologieseveryday.C.Sciencecanhelpsolvemanyglobalproblems.D.Scienceisonlyimportantforpeoplewhowanttobescientists.解析：本题考查对文章主旨的概括能力。文章强调科学在解决全球问题中的作用，故选C。选项A、B、D虽然可能是文章的部分内容，但并非核心观点。5.Accordingtothepassage,whydosomestudentsfindsciencesubjectsdifficult?A.Becausetherearetoomanyformulastomemorize.B.Becausescienceteachersarenotverypatient.C.Becausesciencesubjectsrequirealotofpractice.D.Becausesciencesubjectsarenotveryinteresting.解析：本题考查对科学学科难度的理解。文章提到科学学科需要大量练习，故选C。选项A、B、D可能是部分学生的感受，但并非文章的核心观点。6.Whatdoesthepassage"TheImportanceofScienceEducation"mainlydiscuss?A.Thehistoryofscience.B.Thebenefitsofsciencesubjects.C.Thechallengesofscienceeducation.D.Thefamousscientistsintheworld.解析：本题考查对文章主题的把握。文章重点讨论科学教育的益处，故选B。选项A、C、D虽然可能是相关内容，但并非文章主旨。7.Accordingtothepassage,whatistheroleofexperimentsinsciencelearning?A.Theyareusedtomakesciencesubjectsmorefun.B.Theyhelpstudentsunderstandscientificconceptsbetter.C.Theyareawaytoteststudents'memory.D.Theyareonlyforadvancedsciencestudents.解析：本题考查对科学实验作用的理解。文章强调实验能帮助学生更好地理解科学概念，故选B。选项A、C、D与文章观点不符。8.Whatdoesthepassage"ScienceandTechnology"mainlyfocuson?A.Thehistoryoftechnology.B.Therelationshipbetweenscienceandtechnology.C.Thefutureoftechnology.D.Theimportanceoftechnologyindailylife.解析：本题考查对文章主题的概括。文章重点讨论科学与技术的关系，故选B。选项A、C、D虽然可能是相关内容，但并非文章核心。9.Accordingtothepassage,whydomanystudentsenjoysciencesubjects?A.Becausetheycanplaywithscientificinstruments.B.Becausetheycandiscovernewthings.C.Becausetheycangetgoodgradeseasily.D.Becausetheycanmeetfamousscientists.解析：本题考查对科学学科吸引力的理解。文章提到科学学科能让学生发现新事物，故选B。选项A、C、D虽然可能是部分学生的感受，但并非文章核心观点。10.Whatisthemainpurposeofthepassage"WhyChooseScience?"?A.Topersuadestudentstostudysciencesubjects.B.Toexplainhowtostudysciencesubjects.C.Todescribethehistoryofscience.D.Tocomparesciencewithothersubjects.解析：本题考查对文章写作目的的判断。文章旨在鼓励学生选择科学学科，故选A。选项B、C、D虽然可能是相关内容，但并非文章主旨。二、填空题（每空2分，共20分）1.Manystudentschoosesciencesubjectsbecausetheywantto_______theworldandmakeadifference.2.Scientistsareoften_______bythebeautyandcomplexityofnature.3.Thepassage"TheFutureofScience"discusseshowsciencecanhelpsolve_______problemslikeclimatechangeandpollution.4.Accordingtothepassage,oneofthebenefitsofstudyingsciencesubjectsisthattheycanhelpyoudevelop_______thinkingskills.5.Somestudentsfindsciencesubjectsdifficultbecausetheyneedalotof_______andpractice.6.Experimentsareimportantinsciencelearningbecausetheyhelpstudents_______scientificconceptsthroughhands-onactivities.7.Thepassage"ScienceandTechnology"focusesontheclose_______betweenscienceandtechnologyinmodernsociety.8.Manystudentsenjoysciencesubjectsbecausetheygettheopportunityto_______newthingsandmakediscoveries.9.Themainpurposeofthepassage"WhyChooseScience?"isto_______studentstopursuesciencesubjectsinthefuture.10.Accordingtothepassage,sciencesubjectscanhelpyousolveproblemsmore_______andeffectively.参考答案：1.understand2.inspired3.global4.critical5.practice6.understand7.relationship8.discover9.encourage10.efficiently三、判断题（每题2分，共20分）1.Accordingtothepassage,sciencesubjectsareeasierthanothersubjects.(×)解析：文章强调科学学科需要大量练习和思考，并未说它们比其他学科容易。2.Scientistsareinspiredbythebeautyofnaturebecauseithelpsthemsolvescientificproblems.(×)解析：文章提到科学家被自然之美所鼓舞，但并未说这是为了解决科学问题。3.Thepassage"TheFutureofScience"mainlydiscussesthehistoryofscience.(×)解析：文章重点讨论科学在解决全球问题中的作用，而非科学史。4.Accordingtothepassage,sciencesubjectscanimproveyourcreativity.(√)解析：文章提到科学学科能培养创造力，故正确。5.Somestudentsfindsciencesubjectsdifficultbecausetheyarenotveryinteresting.(×)解析：文章提到科学学科需要大量练习，而非缺乏趣味性。6.Experimentsareonlyforadvancedsciencestudents.(×)解析：文章强调实验对所有科学学习者都很重要，故错误。7.Thepassage"ScienceandTechnology"focusesonthefutureoftechnology.(×)解析：文章重点讨论科学与技术的关系，而非技术未来。8.Manystudentsenjoysciencesubjectsbecausetheycangetgoodgradeseasily.(×)解析：文章提到科学学科能让学生发现新事物，而非轻松获得高分。9.Themainpurposeofthepassage"WhyChooseScience?"istodescribethehistoryofscience.(×)解析：文章旨在鼓励学生选择科学学科，而非描述科学史。10.Accordingtothepassage,sciencesubjectscanhelpyousolveproblemsmoreeffectively.(√)解析：文章提到科学学科能提高解决问题的能力，故正确。四、简答题（每题2分，共16分）1.Whatarethemainbenefitsofstudyingsciencesubjects?参考答案：-Sciencesubjectscanhelpstudentsunderstandtheworldbetter.-Theycandevelopcriticalthinkingandproblem-solvingskills.-Theycanimprovecreativityandinnovation.-Theycanleadtomanyjobopportunitiesinthefuture.解析：本题考查对科学学科优势的总结。答案应涵盖理解世界、培养思维能力和创造力的多个方面。2.Whydosomestudentsfindsciencesubjectsdifficult?参考答案：-Sciencesubjectsrequirealotofpracticeandmemorization.-Somestudentsmaynothaveastrongfoundationinmathorscience.-Thepaceoftheclassmaybetoofastforsomestudents.解析：本题考查对科学学科难度的分析。答案应从学习方法和基础知识的角度进行解释。3.Whatistheroleofexperimentsinsciencelearning?参考答案：-Experimentshelpstudentsunderstandscientificconceptsthroughhands-onactivities.-Theycandeveloppracticalskillsandobservationabilities.-Theycanencouragestudentstothinklikescientistsandmakediscoveries.解析：本题考查对科学实验作用的理解。答案应从实践能力和思维培养的角度进行解释。4.Whydomanystudentsenjoysciencesubjects?参考答案：-Manystudentsenjoytheopportunitytodiscovernewthingsandmakediscoveries.-Sciencesubjectscanbeveryinterestingandexciting.-Theycanhelpstudentsdevelopasenseofcuriosityandwonderabouttheworld.解析：本题考查对科学学科吸引力的分析。答案应从兴趣和好奇心培养的角度进行解释。5.Whatdoesthepassage"TheFutureofScience"mainlydiscuss?参考答案：-Thepassagefocusesonhowsciencecanhelpsolveglobalproblemslikeclimatechangeandpollution.-Itdiscussestheimportanceofscienceincreatingasustainablefuture.-Ithighlightstheroleofscientistsinfindingsolutionstothesechallenges.解析：本题考查对文章主题的概括。答案应从科学解决全球问题的角度进行解释。6.Howcanstudentsimprovetheirsciencelearning?参考答案：-Studentsshouldpracticeregularlyandreviewtheirnotes.-Theycanparticipateinscienceexperimentsandprojects.-Theyshouldaskquestionsandseekhelpfromteacherswhenneeded.解析：本题考查对科学学习方法的建议。答案应从练习、实践和求助的角度进行解释。7.Whatistherelationshipbetweenscienceandtechnology?参考答案：-Scienceandtechnologyarecloselyrelatedandofteninfluenceeachother.-Scientificdiscoveriescanleadtonewtechnologies.-Technologycanhelpscientistsmakenewdiscoveriesandadvancements.解析：本题考查对科学与技术关系的理解。答案应从相互促进的角度进行解释。8.Whyisitimportanttostudysciencesubjectsinthefuture?参考答案：-Sciencesubjectscanleadtomanyjobopportunitiesinthefuture.-Theycanhelpstudentsunderstandandsolveglobalproblems.-Theycandevelopskillsthatareusefulinmanyareasoflife.解析：本题考查对科学学科未来价值的分析。答案应从职业发展和能力培养的角度进行解释。五、应用题（每题4分，共24分）1.Supposeyouareastudentwhoisinterestedinsciencesubjects.Writeashortparagraph(about50words)explainingwhyyouchoosesciencesubjects.参考答案：IchoosesciencesubjectsbecauseIwanttounderstandtheworldbetter.Sciencesubjectscanhelpmedevelopcriticalthinkingandproblem-solvingskills.Ialsoenjoytheopportunitytodiscovernewthingsandmakediscoveries.Sciencesubjectscanleadtomanyjobopportunitiesinthefuture,whichisveryimportantformycareergoals.解析：本题考查对科学学科选择的理由。答案应从理解世界、培养能力和职业发展的角度进行解释。2.Imagineyouareascienceteacher.Writeashortparagraph(about50words)explaininghowyoucanhelpstudentsimprovetheirsciencelearning.参考答案：Tohelpstudentsimprovetheirsciencelearning,Icanprovideregularpracticeandreviewopportunities.Icanalsodesigninterestingexperimentsandprojectstomakelearningmoreengaging.Additionally,Icanencouragestudentstoaskquestionsandseekhelpwhenneeded.Thiscanhelpthemdevelopadeeperunderstandingofscienceconcepts.解析：本题考查对科学学习方法的建议。答案应从练习、实践和求助的角度进行解释。3.Supposeyouarereadingthepassage"TheFutureofScience."Writeashortparagraph(about50words)summarizingthemainideaofthepassage.参考答案：Thepassage"TheFutureofScience"mainlydiscusseshowsciencecanhelpsolveglobalproblemslikeclimatechangeandpollution.Ithighlightstheimportanceofscienceincreatingasustainablefutureandtheroleofscientistsinfindingsolutionstothesechallenges.Thepassageemphasizestheneedforcontinuedscientificresearchandinnovation.解析：本题考查对文章主旨的概括。答案应从科学解决全球问题的角度进行解释。4.Imagineyouareastudentwhoisnotverygoodatsciencesubjects.Writeashortparagraph(about50words)explaininghowyoucanimproveyoursciencelearning.参考答案：Toimprovemysciencelearning,Icanpracticeregularlyandreviewmynotes.Icanalsoparticipateinscienceexperimentsandprojectstogainpracticalexperience.Additionally,Icanaskquestionsandseekhelpfromteachersandclassmates.Thiscanhelpmeunderstandtheconceptsbetterandimprovemygrades.解析：本题考查对科学学习方法的建议。答案应从练习、实践和求助的角度进行解释。5.Supposeyouarereadingthepassage"ScienceandTechnology."Writeashortparagraph(about50words)explainingtherelationshipbetweenscienceandtechnology.参考答案：Thepassage"ScienceandTechnology"discussesthecloserelationshipbetweenscienceandtechnology.Scientificdiscoveriescanleadtonewtechnologies,andtechnologycanhelpscientistsmakenewdiscoveries.Thisinteractionisessential