2025-2026年天津市北师大版八年级英语下册第7章同步练习题

2025-2026年天津市北师大版八年级英语下册第7章同步练习题一、单项选择题（每题2分，共20分）1.AccordingtothetextinUnit7,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.（解析：根据第7章课文内容，学生选择科学学科的主要原因是能够更好地理解世界，B选项准确反映了这一观点。A选项错误，科学学科并不一定比其他学科容易；C选项片面，兴趣是因素之一但非主因；D选项过于功利，与课文强调的求知精神不符。）2.WhatdoesthepassageinUnit7suggestabouttheimportanceofteamworkinscientificresearch?A.Teamworkisonlyusefulwhentheresearchisverydifficult.B.Teamworkcanonlybringproblemsbecausedifferentideasmaycauseconflicts.C.Teamworkisimportantbecausescientistscanshareideasandsolveproblemsmoreefficiently.D.Teamworkisunnecessaryifyouareaverytalentedscientist.（解析：第7章课文强调团队合作在科研中的重要性，C选项准确概括了“分享想法、高效解决问题”的核心意义。A选项过于绝对，团队合作适用于多种情况；B选项忽视了合作的优势；D选项与课文观点完全相反。）3.AccordingtothereadinginUnit7,whydosomestudentsfindithardtolearnsciencesubjects?A.Becausesciencesubjectshavetoomanydifficultwords.B.Becausesciencesubjectsrequiretoomuchmemorywork.C.Becausesciencesubjectsinvolvetoomanyexperiments.D.Becausesciencesubjectsneedstudentstothinklogicallyandcritically.（解析：第7章课文指出科学学科难学的原因在于需要逻辑思维和批判性思考，D选项符合这一描述。A选项片面，词汇只是辅助；B选项错误，科学学科更注重理解而非死记硬背；C选项以偏概全，并非所有科学学科都强调实验。）4.Whatistheauthor'sattitudetowardthefutureofscienceeducationinUnit7?A.Theauthorthinksscienceeducationwillbecomelessimportantinthefuture.B.Theauthorbelievesscienceeducationwillremainthesameasitisnow.C.Theauthorisoptimisticaboutthedevelopmentofscienceeducationandthinksitwillplayamoresignificantrole.D.Theauthorthinksscienceeducationisalreadyperfectanddoesnotneedanychanges.（解析：第7章课文表达了作者对科学教育的乐观态度，认为其未来作用将更加重要，C选项准确。A选项与课文观点相反；B选项过于保守；D选项忽视了科学教育的改进需求。）5.AccordingtothepassageinUnit7,whatisthebestwaytoimprovestudents'interestinsciencesubjects?A.Togivemorehomeworkandtestsinscience.B.Tomakesciencelessonsmoreinteractiveandfun.C.Totellstudentsthatsciencesubjectsaretheeasiest.D.Toforcestudentstostudyscienceeveniftheydonotlikeit.（解析：第7章课文建议通过互动和趣味性提升科学学科兴趣，B选项符合这一观点。A选项可能增加学生负担；C选项不诚实；D选项违背教育理念。）6.WhatdoesthepassageinUnit7sayabouttheroleofexperimentsinsciencelearning?A.Experimentsareonlyusefulforadvancedstudents.B.Experimentsareunnecessarybecausebooksprovideenoughknowledge.C.Experimentshelpstudentsunderstandscientificconceptsbetterbydoingthemthemselves.D.Experimentsareboringandshouldbereplacedbyvideos.（解析：第7章课文强调实验对科学学习的重要性，C选项准确描述了“实践加深理解”的作用。A选项错误，实验适合所有学生；B选项忽视了实践的价值；D选项以偏概全。）7.AccordingtothetextinUnit7,whydosomeparentsencouragetheirchildrentostudysciencesubjects?A.Becausesciencesubjectscanhelpchildrenbecomerichquickly.B.Becausesciencesubjectsareconsideredmoreprestigiousthanothersubjects.C.Becausesciencesubjectscanhelpchildrendevelopcriticalthinkingskills.D.Becausesciencesubjectsareeasiertogetgoodgradesin.（解析：第7章课文指出家长鼓励孩子学科学的原因在于其能培养批判性思维，C选项符合这一观点。A选项过于功利；B选项片面；D选项与课文强调的学科难度不符。）8.WhatisthemainideaofthepassageinUnit7aboutthefutureofscience?A.Thefutureofsciencewillbethesameasthepast.B.Sciencewillnotchangemuchinthefuture.C.Sciencewillcontinuetodevelopandplayamoreimportantroleinsociety.D.Sciencewillbecomelessimportantbecausetechnologywillreplaceit.（解析：第7章课文展望科学未来将持续发展并更重要，C选项准确。A选项过于保守；B选项忽视了发展；D选项与科技发展趋势不符。）9.AccordingtothereadinginUnit7,whatisthebestwaytolearnsciencesubjects?A.Tomemorizealltheformulasandfactswithoutunderstandingthem.B.Tofocusonlyonexperimentsandignoretheoreticalknowledge.C.Tocombinetheoreticalknowledgewithpracticalexperimentsandthinkcritically.D.Tostudyscienceonlywhenyouhavefreetime.（解析：第7章课文建议科学学习应理论与实践结合并批判性思考，C选项符合这一观点。A选项忽视理解；B选项片面；D选项缺乏系统性。）10.WhatdoesthepassageinUnit7sayabouttherelationshipbetweenscienceandothersubjects?A.Scienceiscompletelyindependentandhasnothingtodowithothersubjects.B.Scienceisonlyrelatedtomathematicsandhasnoconnectionwithothersubjects.C.Scienceiscloselyconnectedwithmanysubjects,suchastechnology,art,andliterature.D.Scienceismoreimportantthanothersubjects,soitshouldbestudiedmore.（解析：第7章课文强调科学与其他学科的关联性，C选项准确。A选项过于孤立；B选项以偏概全；D选项忽视了学科平衡。）二、填空题（每空2分，共20分）1.AccordingtothepassageinUnit7,scientistsoftenworkin______tosolvecomplexproblems.2.Thetextsuggeststhatthekeytolearningsciencesubjectswellistodevelop______skills.3.Manystudentsfindsciencesubjectsdifficultbecausetheyrequirealotof______thinking.4.TheauthorofthepassageinUnit7believesthatscienceeducationwillbeevenmore______inthefuture.5.Toimprovestudents'interestinscience,teachersshouldmakelessonsmore______andinteractive.6.ThepassageinUnit7mentionsthatexperimentshelpstudents______scientificconceptsbetter.7.Someparentsencouragetheirchildrentostudysciencebecauseitcanhelpthemdevelop______skills.8.ThetextinUnit7pointsoutthatscienceiscloselyconnectedwith______,suchastechnologyandart.9.Accordingtothepassage,thebestwaytolearnscienceisto______betweentheoryandpractice.10.TheauthorofthepassageinUnit7thinksthatsciencewillcontinueto______andplayamoreimportantroleinsociety.（参考答案：1.teams2.criticalthinking3.logical4.important5.engaging6.understand7.criticalthinking8.othersubjects9.combine10.develop）三、判断题（每题2分，共20分）1.AccordingtothepassageinUnit7,sciencesubjectsareeasierthanartsubjects.（参考答案：×，解析：课文未直接比较科学和艺术学科难度，仅强调科学需要逻辑思维。）2.ThetextinUnit7suggeststhatstudentsshouldstudyscienceonlyiftheyareverytalented.（参考答案：×，解析：课文强调科学学习对所有人的价值，而非仅限于天才。）3.AccordingtothepassageinUnit7,experimentsareunnecessarybecausebooksprovideenoughknowledge.（参考答案：×，解析：课文明确指出实验对理解科学概念至关重要。）4.TheauthorofthepassageinUnit7thinksthatscienceeducationwillbecomelessimportantinthefuture.（参考答案：×，解析：课文表达了对科学教育未来重要性的乐观态度。）5.ThepassageinUnit7suggeststhatparentsshouldforcetheirchildrentostudyscienceeveniftheydonotlikeit.（参考答案：×，解析：课文强调兴趣的重要性，反对强迫。）6.AccordingtothetextinUnit7,sciencesubjectsaretheeasiesttogetgoodgradesin.（参考答案：×，解析：课文未提及各学科难度，仅强调科学需要逻辑思维。）7.ThetextinUnit7saysthatscienceiscompletelyindependentandhasnothingtodowithothersubjects.（参考答案：×，解析：课文强调科学与其他学科的关联性。）8.AccordingtothepassageinUnit7,thebestwaytolearnscienceistomemorizealltheformulasandfacts.（参考答案：×，解析：课文反对死记硬背，强调理解与实践结合。）9.TheauthorofthepassageinUnit7believesthatsciencewillnotchangemuchinthefuture.（参考答案：×，解析：课文认为科学将持续发展并更重要。）10.ThepassageinUnit7suggeststhatscienceeducationisalreadyperfectanddoesnotneedanychanges.（参考答案：×，解析：课文未提及教育现状完美，而是强调改进空间。）四、简答题（每题2分，共16分）1.AccordingtothepassageinUnit7,whydomanystudentsfindsciencesubjectsdifficult?（参考答案：科学学科难学的原因在于需要逻辑思维、批判性思考，且理论与实践结合要求高。此外，实验操作和记忆大量知识点也增加了学习难度。）2.WhatdoesthetextinUnit7suggestabouttheimportanceofteamworkinscientificresearch?（参考答案：课文强调团队合作能分享想法、高效解决问题，尤其面对复杂研究时更为重要。不同观点的碰撞也能激发创新。）3.AccordingtothepassageinUnit7,whydosomeparentsencouragetheirchildrentostudysciencesubjects?（参考答案：家长鼓励孩子学科学的原因在于其能培养批判性思维、提升未来竞争力，且科学与其他学科关联紧密，有助于全面发展。）4.Whatistheauthor'sattitudetowardthefutureofscienceeducationinUnit7?（参考答案：作者对科学教育未来持乐观态度，认为其重要性将提升，并建议通过改进教学方法提升学生兴趣。）5.AccordingtothetextinUnit7,whatisthebestwaytoimprovestudents'interestinsciencesubjects?（参考答案：最佳方式是使科学课程更具互动性和趣味性，结合实际案例和实验，让学生在实践中感受科学的魅力。）6.WhatdoesthepassageinUnit7sayabouttherelationshipbetweenscienceandothersubjects?（参考答案：课文指出科学与其他学科如技术、艺术等紧密关联，科学知识能帮助理解其他领域，反之亦然。）7.AccordingtothepassageinUnit7,whatisthemainideaaboutthefutureofscience?（参考答案：科学将持续发展并更重要，其在解决全球性问题、推动技术进步中的作用将日益凸显。）8.Whatistheauthor'sadvicetostudentswhofindsciencesubjectsdifficultinUnit7?（参考答案：作者建议学生不要放弃，应通过多思考、多实践、多提问来克服困难，并寻求老师和同学的帮助。）五、应用题（每题4分，共24分）1.SupposeyouareastudentinGrade8.Writeashortparagraph(about80words)toyourteacherexplainingwhyyouthinksciencesubjectsareimportant.（参考答案：Dearteacher,Ithinksciencesubjectsareimportantbecausetheyhelpusunderstandtheworldbetter.Scienceteachesushowthingswork,fromthesmallestparticlestothevastuniverse.Italsodevelopsourcriticalthinkingandproblem-solvingskills,whichareusefulinallareasoflife.Moreover,scienceisthefoundationofmanymoderntechnologiesthatimproveourdailylives.That'swhyIbelievescienceisavaluablesubjectforeveryonetolearn.Thankyou.）2.Imagineyouarepartofascienceclub.Writeashortparagraph(about100words)describingascienceexperimentyoudidwithyourclassmates.（参考答案：Lastweek,ourscienceclubdidanexperimenttotesttheeffectsofdifferentliquidsonplants.Wedividedintogroupsandeachgroupplantedabeanseedwithwater,juice,soda,ormilk.Aftertwoweeks,weobservedthattheplantswithwatergrewthehealthiest,whilethosewithsodawiltedquickly.Thisexperimenttaughtusabouttheimportanceofpropernutritionforplants.Wealsolearnedhowteamworkhelpsincollectingdataandanalyzingresults.Itwasafunandeducationalexperience.）3.Supposeyourschoolisorganizingasciencefair.Writeashortparagraph(about120words)suggestingthreescienceprojectsthatstudentscando.（参考答案：Forthesciencefair,Isuggestthreeprojects:1)Solar-poweredcar:Studentscandesignandbuildasmallcarusingsolarpanelstounderstandrenewableenergy.2)Homemadebattery:Usingfruitsandmetals,studentscancreateasimplebatterytolearnaboutelectrochemicalreactions.3)Waterfiltration:Studentscanbuildamodeltopurifydirtywater,exploringsolutionstoglobalwaterscarcity.Theseprojectsarefun,educational,andcanhelpstudentsdeveloppracticalskills.Theyalsoencouragecreativityandinnovation.）4.Writeashortparagraph(about100words)explaininghowsciencesubjectscanhelpussolveenvironmentalproblems.（参考答案：Sciencesubjectsarecrucialforsolvingenvironmentalproblems.Forexample,biologyhelpsusunderstandecosystemsandbiodiversity,whichareessentialforahealthyplanet.Chemistryteachesusaboutpollutionandhowtodevelopcleanertechnologies.Physicscanhelpinrenewableenergysolutionslikesolarandwindpower.Bystudyingscience,wecandevelopinnovativewaystoreducewaste,conserveresources,andcombatclimatechange.Scienceprovidestheknowledgeandtoolstoprotectourenvironmentforfuturegenerations.）5.Supposeyouareascienceteacher.Writeashortparagraph(about120words)explaininghowyouwouldmakesciencelessonsmoreinterestingforstudents.（参考答案：Tomakesciencelessonsmoreinteresting,Iwoulduseinteractiveactivitieslikeexperiments,demonstrations,andgroupprojects.Forexample,Icouldconducta"crimesceneinvestigation"toteachforensicscienceora"spacemission"toexploreastronomy.Iwouldalsoincorporatereal-worldexamples,suchashowsciencehelpsinmedicaldiscoveriesorspaceexploration.Usingmultimediatoolslikevideosandvirtuallabscanmakecomplexconceptseasiertounderstand.Mostimportantly,Iwouldencouragestudentstoaskquestionsandexploretheircuriosity.Thisapproachmakeslearningsciencefunandengaging.）6.Writeashortparagraph(about100words)describinghowteamworkhelpedyouinascienceproject.（参考答案：Inourscienceproject,teamworkwasessential.Ourgroupwasdividedintoroles:someresearched,othersdesignedexperiments,andItooknotes.Whenwefaceddifficulties,wediscussedandfoundsolutionstogether.Forexample,ourinitialexperimentfailed,butbyanalyzingthedataasateam,weidentifiedtheproblemandimprovedourmethod.Thisexperiencetaughtmethevalueofcollaboration:differentperspectivesleadtobetterresults.Teamworkalsomadetheprojectmoreenjoyableandreducedstress.Scienceismoreeffectivewhenweworktogether.）【标准答案及解析】一、单项选择题1.B2.C3.D4.C5.B6.C7.C8.C9.C10.C（解析：每题均基于第7章课文内容，选项设计涵盖不同角度，干扰项结合易错点，如A选项常误选但与课文不符。）二、填空题1.teams2.criticalthinking3.logical4.important5.engaging6.understand7.criticalthinking8.othersubjects9.combine10.develop（解析：填空题覆盖第7章核