2025-2026年浙江省苏教版九年级英语第12单元课后练习题

2025-2026年浙江省苏教版九年级英语第12单元课后练习题一、单项选择题（每题2分，共20分）1.AccordingtothepassageinUnit12,whatisthemainreasonwhymanystudentschoosetostudysciencesubjects?A.Becausesciencesubjectsareeasierthanothersubjects.B.Becausesciencesubjectscanhelpthemunderstandtheworldbetter.C.Becausesciencesubjectsaremoreinterestingthanartsubjects.D.Becausesciencesubjectshavemorejobopportunitiesinthefuture.（解析：根据第12单元文章内容，作者明确指出科学学科能帮助学生更好地理解世界，选项B与文章主旨一致。选项A、C、D均为干扰项，文章未提及难度、兴趣或就业机会的比较，故排除。）2.Theteacheraskedthestudentstodesignanexperimenttostudytheeffectofsunlightonplantgrowth.Whatshouldtheyincludeintheirexperiment?A.Onlywaterandsoil.B.Onlysunlightandtemperature.C.Sunlight,water,soil,andtemperature.D.Onlyplantsandanotebook.（解析：文章第12单元实验设计部分强调需控制变量，包括阳光、水分、土壤和温度。选项A、B、D均遗漏关键变量，故C为正确答案。）3.Inthepassage,whydosomestudentsthinksciencesubjectsaredifficult?A.Becausetheydon'tlikememorizingfacts.B.Becausetheydon'thaveenoughtimetostudy.C.Becausetheyfindithardtounderstandscientificconcepts.D.Becausetheirteachersarenotgoodatteaching.（解析：文章第12单元提到学生认为科学难的原因是概念抽象，选项C与原文一致。选项A、B、D为常见误解，但文章未提及记忆、时间或教师问题，故排除。）4.Whatdoesthepassagesuggestaboutthefutureofscience?A.Sciencewillbelessimportantinthefuture.B.Sciencewillonlybeusefulforscientists.C.Sciencewillplayabiggerroleinsolvingproblems.D.Sciencewillbecomemoredifficulttostudy.（解析：文章第12单元展望未来时强调科学在解决问题中的重要性，选项C与原文一致。选项A、B、D均为反向干扰，文章未提及科学地位下降或仅限科学家使用，故排除。）5.Howdoesthepassagedescribetherelationshipbetweenscienceandtechnology?A.Scienceandtechnologyarecompletelyseparate.B.Scienceisthefoundationoftechnology.C.Technologyismoreimportantthanscience.D.Scienceandtechnologyhavenoconnection.（解析：文章第12单元明确指出科技基于科学原理，选项B为正确答案。选项A、C、D与原文描述相反，故排除。）6.Whatistheauthor'smainpurposeinwritingthispassage?A.Totellstudentstostudysciencesubjects.B.Toexplainhowtodoscienceexperiments.C.Topersuadestudentstochoosesciencesubjects.D.Todescribethehistoryofscience.（解析：文章第12单元通过分析科学的价值和挑战，隐含鼓励学生选择科学，选项C为最佳答案。选项A、B、D均偏离文章主旨，故排除。）7.Accordingtothepassage,whatisthebiggestchallengeforstudentsstudyingscience?A.Toomuchhomework.B.Difficultyunderstandingscientificideas.C.Fewerjobopportunities.D.Teachersnotgivingenoughattention.（解析：文章第12单元指出科学最大的挑战是概念抽象，选项B为正确答案。选项A、C、D为常见问题，但非文章强调的重点，故排除。）8.ThepassagementionsafamousscientistnamedMarieCurie.Whatdoestheauthoruseherstorytoshow?A.Thatscienceisonlyforgirls.B.Thatscientistsmustbeveryrich.C.Thatperseveranceisimportantinscience.D.Thatscientistsonlyworkinlaboratories.（解析：文章第12单元通过居里夫人故事强调坚持的重要性，选项C为正确答案。选项A、B、D与原文描述不符，故排除。）9.Whatdoesthepassagesuggestaboutthefutureofscienceeducation?A.Schoolswillstopteachingsciencesubjects.B.Sciencewillbetaughtonlyinuniversities.C.Schoolswillfocusmoreonpracticalscience.D.Sciencewillbetaughtinamoretraditionalway.（解析：文章第12单元提到未来科学教育将更注重实践，选项C为正确答案。选项A、B、D与原文趋势相反，故排除。）10.Howdoesthepassagedescribetheroleofexperimentsinscience?A.Experimentsarenotimportantinscience.B.Experimentsareonlyforscientiststodo.C.Experimentshelpustestscientificideas.D.Experimentsareboringanddifficult.（解析：文章第12单元强调实验验证科学理论，选项C为正确答案。选项A、B、D与原文描述相反，故排除。）二、填空题（每空2分，共20分）1.AccordingtothepassageinUnit12,manystudentsthinksciencesubjectsare______becausetheyinvolvealotof______.2.Thepassagementionsthatsciencecanhelpusunderstandhowthe______works.3.IntheexperimentdescribedinUnit12,thestudentsneedtokeepthe______and______thesametomaketheresultsfair.4.TheauthorusestheexampleofMarieCurietoshowthatsuccessinsciencerequires______.5.Thepassagesuggeststhatinthefuture,sciencewillplayabiggerroleinsolving______problems.6.AccordingtoUnit12,sciencesubjectscanhelpstudentsdeveloptheir______and______skills.7.Thepassagementionsthatsomestudentsfindsciencedifficultbecausetheydon'tliketo______facts.8.InUnit12,theauthorasksstudentstothinkabouthowsciencecanhelpimproveour______.9.Thepassagedescribeshowscienceand______worktogethertocreatenewinventions.10.AccordingtoUnit12,oneofthereasonsstudentschoosesciencesubjectsisbecausetheywantto______theworldbetter.（解析：11.difficult;memorizingfacts（文章第12单元提到科学难在于记忆大量事实）12.universe（文章第12单元提到科学帮助我们理解宇宙）13.temperature;sunlight（实验部分强调控制温度和阳光）14.perseverance（居里夫人故事强调坚持）15.environmental（文章第12单元提到科学解决环境问题）16.criticalthinking;problem-solving（文章第12单元提到科学培养批判性思维和解决问题能力）17.memorize（文章第12单元提到学生不喜欢记忆事实）18.lives（文章第12单元提到科学改善生活）19.technology（文章第12单元提到科学与科技合作）20.understand（文章第12单元提到科学帮助学生更好地理解世界））三、判断题（每题2分，共20分）1.AccordingtothepassageinUnit12,allstudentsfindsciencesubjectseasy.2.Thepassagementionsthatsciencesubjectsaremoreimportantthanartsubjects.3.IntheexperimentdescribedinUnit12,thestudentsonlyneedtostudyplants.4.Theauthorofthepassagethinksthatscienceisthemostinterestingsubject.5.Thepassagesuggeststhatsciencewillbecomelessimportantinthefuture.6.AccordingtoUnit12,sciencecanhelpussolveproblemslikepollution.7.TheauthorusestheexampleofMarieCurietoshowthatscienceisonlyforgirls.8.InUnit12,theauthorasksstudentstostopstudyingscienceiftheyfinditdifficult.9.Thepassagementionsthatscienceandtechnologyarecompletelyseparate.10.AccordingtoUnit12,sciencesubjectscanhelpstudentsdeveloptheircreativity.（解析：11.False（文章第12单元提到学生觉得科学难）12.False（文章第12单元未比较科学与艺术）13.False（实验部分提到阳光、水分、土壤等）14.False（文章第12单元未表达作者偏好）15.False（文章第12单元强调科学未来重要性）16.True（文章第12单元提到科学解决污染问题）17.False（居里夫人故事强调性别无关）18.False（文章第12单元鼓励坚持学习）19.False（文章第12单元强调科学与科技联系）20.True（文章第12单元提到科学培养创造力））四、简答题（每题2分，共16分）1.AccordingtothepassageinUnit12,whydosomestudentsthinksciencesubjectsaredifficult?2.Whatdoesthepassagesuggestaboutthefutureofscienceeducation?3.Howdoesthepassagedescribetherelationshipbetweenscienceandtechnology?4.AccordingtoUnit12,whatisthemainpurposeofdoingscienceexperiments?5.ThepassagementionsafamousscientistnamedMarieCurie.Whatdoestheauthoruseherstorytoshow?6.AccordingtothepassageinUnit12,whatarethebenefitsofstudyingsciencesubjects?7.Thepassageasksstudentstothinkabouthowsciencecanhelpimproveourlives.Whataresomeexamples?8.AccordingtoUnit12,whydosomestudentschoosetostudysciencesubjects?（解析：9.Somestudentsthinksciencesubjectsaredifficultbecausetheyinvolvealotofmemorizingfacts,andtheyfindithardtounderstandscientificconcepts.10.Thepassagesuggeststhatinthefuture,scienceeducationwillfocusmoreonpracticalexperimentsandreal-worldapplicationstohelpstudentsunderstandhowscienceworks.11.Thepassagedescribestherelationshipbetweenscienceandtechnologyasonewherescienceprovidesthefoundationfortechnologicalinnovation.Newtechnologiesarecreatedbasedonscientificdiscoveries.12.Themainpurposeofdoingscienceexperimentsistotestscientificideasandtheories.Experimentshelpusseeifourpredictionsarecorrectandhelpusunderstandhowthingswork.13.TheauthorusesMarieCurie'sstorytoshowthatsuccessinsciencerequiresperseveranceanddedication.Evenwhenfacedwithchallenges,scientistsmustkeepworkinghardtoachievetheirgoals.14.Thebenefitsofstudyingsciencesubjectsincludehelpingstudentsdevelopcriticalthinkingandproblem-solvingskills,understandinghowtheworldworks,andpreparingforfuturecareersinscienceortechnology.15.Someexamplesofhowsciencecanhelpimproveourlivesincludedevelopingnewmedicinestocurediseases,creatingrenewableenergysourcestoprotecttheenvironment,andinventingnewtechnologiestomakeourdailyliveseasier.16.Somestudentschoosetostudysciencesubjectsbecausetheyareinterestedinunderstandingtheworldbetter,theywanttohelpsolveproblemslikepollutionorclimatechange,ortheywanttopursuecareersinscienceortechnologyinthefuture.）五、应用题（每题4分，共24分）1.Supposeyouareastudentinascienceclass.Writeashortparagraph(about50words)explainingwhyyouthinksciencesubjectsareimportant.2.Designasimpleexperimenttostudytheeffectofdifferentamountsofwateronplantgrowth.Describethematerialsyouneedandthestepsyouwillfollow.3.Imagineyouareateacher.Howwouldyouencouragestudentswhofindsciencedifficult?4.Writeashortparagraph(about50words)describinghowscienceandtechnologyworktogethertocreateanewinvention.5.Thinkaboutaprobleminyourcommunity(e.g.,pollution,lackofparks).Howcouldsciencehelpsolvethisproblem?6.Writeashortparagraph(about50words)explainingwhyperseveranceisimportantforscientists.（解析：7.Sciencesubjectsareimportantbecausetheyhelpusunderstandhowtheworldworks.Theyteachuscriticalthinkingandproblem-solvingskillsthatareusefulinmanyareasoflife.Also,sciencecanhelpussolveproblemslikepollutionandclimatechange,makingourfuturebetter.8.Materials:Plants,pots,soil,water,sunlight,rulers.Steps:1.Plantthesametypeofseedsindifferentpots.2.Giveeachplantadifferentamountofwater(e.g.,1cup,2cups,3cups).3.Placeallpotsinasunnyspot.4.Measureandrecordthegrowthofeachplanteverydayforoneweek.9.Toencouragestudentswhofindsciencedifficult,Iwouldprovideextrahelpduringclass,offertutoringsessionsafterschool,andshowthemreal-worldexamplesofhowscienceisused.Iwouldalsomakethelessonsmoreinteractiveandfuntokeeptheminterested.10.Scienceandtechnologyworktogethertocreatenewinventionsbyusingscientificprinciplestodesignandtestnewproducts.Forexample,scientistsstudyhowmaterialsbehaveunderdifferentconditions,andengineersusethisinformationtocreatenewtechnologieslikesmartphonesorsolarpanels.11.Sciencecanhelpsolvepollutionproblemsbydevelopingnewwaystocleanupwasteorreduceemissions.Forexample,scientistscancreatebiodegradablematerialstoreplaceplastic,ortheycandesignbetterfiltersforfactoriestoreduceairpollution.12.Perseveranceisimportantforscientistsbecausescientificresearchofteninvolvesmanyfailuresbeforefindingasolution.Scientistsmustkeeptryingevenwhenexperimentsdon'twork,andtheymustbewillingtolearnfromtheirmistakestoeventuallymakeabreakthrough.）【标准答案及解析】一、单项选择题1.B2.C3.C4.C5.B6.C7.B8.C9.C10.C（解析：每题均根据第12单元文章内容分析，干扰项设置符合学生易错点，如选项A常误选“科学容易”，但文章强调其挑战性。）二、填空题1.difficult;memorizingfacts2.universe3.temperature;sunlight4.perseverance5.environmental6.criticalthinking;problem-solving7.memorize8.lives9.technology10.understand（解析：每空均来自第12单元原文，填空设计覆盖单元核心概念，如实验变量、科学价值等。）三、判断题1.F2.F3.F4.F5.F6.T7.F8.F9.F10.T（解析：判断题基于第12单元观点，反向干扰项设置符合学生常见认知误区，如“科学不重要”等。）四、简答题1.Sciencesubjectsaredifficultbecausetheyinvolvealotofmemorizingfacts,andstudentsfindithardtounderstandscientificconcepts.2.Inthefuture,scienceeducationwillfocusmoreonpracticalexperimentsandreal-worldapplicationstohelpstudentsunderstandhowscienceworks.3.Scienceprovidesthefoundationfortechnologicalinnovation.Newtechnologiesarecreatedbasedonscientificdiscoveries.4.Themainpurposeofscienceexperimentsistotestscientificideasandtheoriestoseeiftheyarecorrect.5.TheauthorusesMarieCurie'sstorytoshowthatsuccessinsciencerequiresperseveranceanddedication.6.Studyingsciencehelpsdevelopcriticalthinkingandproblem-solvingskills,andpreparesstudentsforfuturecareersinscienceortechnology.7.Sciencecanhelpsolveproblemslikepollutionbydevelopingnewtechnologiesormaterials,anditcanimproveourlivesbycreatingbettermedicinesorenergysources.8.Somestudentschoosesciencebecausetheywanttounderstandtheworldbetter,helpsolveproblems,orpursuecareersinscienceortechnology.（解析：简答题答案严格基于第12单元内容，每题均覆盖单元核心考点，答案结构清晰，逻辑严谨。）五、应用题1.Sciencesubjectsareimportantbecausetheyhelpusunderstandhowtheworldworks.Theyteachuscriticalthinkingandproblem-solvingskillsthatareusefulinmanyareasoflife.Also,sciencecanhelpussolveproblemslikepollutionandclimatechange,makingourfuturebetter.2.Materials:Plants,