2025-2026年人教版初中英语下册第9章课后练习题

2025-2026年人教版初中英语下册第9章课后练习题一、单项选择题（每题2分，共20分）1.根据第9章课文内容，Whatisthemaintopicofthereadingpassage"ProtectingtheEnvironment"?A.Thehistoryofenvironmentalpollutioninthe20thcentury.B.Theimportanceofrecyclingandreducingwaste.C.Thedevelopmentofrenewableenergysources.D.Theeffectsofclimatechangeonpolarbears.解析：本题考查单元主题把握。第9章课文重点围绕环保措施展开，特别是垃圾分类、节约资源等具体行动。选项A、C、D虽与环保相关，但非课文核心。选项B准确概括了课文内容，故选B。2.Intheunit,Lisasuggestsusingreusablebagsinsteadofplasticbags.Whatdoesthisactionmainlyachieveaccordingtothepassage?A.Itreducestheamountofwasteinlandfills.B.Itincreasesthecostofshopping.C.Itimprovestheappearanceofcities.D.Ithelpsanimalsavoideatingplastic.解析：题干关联课文环保行动细节。根据课文第2段，Lisa强调"usingreusablebagscanlowerplasticwasteby50%",直接对应选项A。选项B、C、D与原文建议无直接因果关系，故选A。3.Thepassagementions"manypeoplestillthrowawaybatterieswithoutthinking".Whatdoesthissentencemainlywanttoshow?A.Batteriesareexpensivetobuy.B.Batteriescontainharmfulchemicals.C.Peoplearecarelessaboutwaste.D.Batteryrecyclingisnotpopular.解析：考查对课文隐含信息的理解。第3段通过batteries的例子说明随意丢弃有害物质的行为，选项B是直接原因，但题干问"mainlyshow"，即作者意图。结合上下文，作者通过batteries案例批评人们环保意识不足，故选C。4.Accordingtothepassage,whichofthefollowingisNOTagoodwaytoprotecttheenvironment?A.Turningofflightswhenleavingaroom.B.Usingpublictransportationinsteadofcars.C.Buyingproductswithexcessivepackaging.D.Plantingtreesincommunityareas.解析：题干要求反向选择。课文第4段明确列举了节约用电、绿色出行、植树等环保行为，而过度包装产品会加剧浪费，与环保背道而驰，故选C。5.Thepassageusestheexampleofaschoolthatseparateswasteintothreecategories.Whatisthepurposeofthisexample?A.Toshowthedifficultyofwastemanagement.B.Toexplainhowtosortdifferenttypesofwaste.C.Toencourageschoolstoadoptsimilarpractices.D.Tocomparetheefficiencyofdifferentrecyclingmethods.解析：考查对课文案例作用的分析。第5段通过学校分类回收的案例，具体说明环保行动的可行性，强调"smallactionscanmakeabigdifference"，故选C。6.Whatdoesthephrase"asmallstepforeveryoneofus"inthepassagemean?A.Everyoneshouldtakebigactionstohelptheenvironment.B.Individualeffortsareimportantforcollectiveresults.C.Onlyscientistscanmakerealenvironmentalchanges.D.Smallmistakesareacceptableintheprocessofprotectingtheenvironment.解析：题干关联课文核心观点。第6段通过这句话强调"evensimpleactionsliketurningoffalightcanreduceglobalwaste"，体现个人责任，故选B。7.Thepassagementions"somecompaniesnowusebiodegradablematerials".Whatdoesthismainlysuggest?A.Biodegradablematerialsarecheaperthanplastic.B.Businessesarebecomingmoreenvironmentallyresponsible.C.Recyclingisnolongernecessary.D.Biodegradablematerialsaremoredurablethanplastic.解析：考查对课文细节的推断。第7段提到"manybrandsswitchtoeco-friendlypackagingtoattractcustomers"，说明企业环保行为是市场导向，故选B。8.Accordingtothepassage,whydosomepeoplestillnotrecycleproperly?A.Theydonothaveenoughtime.B.Theyarenotawareoftheimportanceofrecycling.C.Recyclingfacilitiesarenotavailableeverywhere.D.Theythinkitistoocomplicatedtolearn.解析：题干关联课文第8段。文中提到"somepeoplesaytheydon'tknowhowtorecyclecorrectly"，直接对应选项D，故选D。9.Thepassagesuggeststhatstudentscanhelpprotecttheenvironmentby______.A.writingletterstofactoriestoaskthemtostoppolluting.B.organizingclean-upactivitiesintheirneighborhoods.C.studyingenvironmentalscienceincollege.D.buyingexpensiveeco-friendlyproducts.解析：考查对课文实践建议的总结。第9段明确鼓励学生"startsmallbypickinguplitterneartheirhomes"，故选B。10.Whatistheauthor'smainmessageinthispassage?A.Environmentalproblemsaretoobigforindividualstosolve.B.Technologyalonecansolveenvironmentalissues.C.Everyonecancontributetoenvironmentalprotection.D.Governmentsshouldbanallsingle-useplastics.解析：考查对全文主旨的把握。全文通过多个案例和观点强调"nomatterhowsmall,everyone'sactionsmatter"，故选C。二、填空题（每题2分，共20分）1.Thepassagesuggeststhatusing______canreducetheamountofplasticwasteintheocean.解析：根据课文第1段，文中提到"plasticbottlesandbagsoftenendupinthesea"，故填bottlesandbags。2.Toprotecttheenvironment,weshould______insteadofusingdisposablechopsticks.解析：第2段提到"reusableutensilsarebetterthandisposableones"，故填usereusableutensils。3.Thepassagementionsthatbatteriescontain______,whichcanharmthesoilandwater.解析：第3段明确指出"heavymetalsinbatteriespollutetheenvironment"，故填heavymetals。4.Accordingtothepassage,aschoolinCanada______toimprovewastemanagement.解析：第5段提到"theschoolintroducedathree-colorrecyclingsystem"，故填introducedathree-colorrecyclingsystem。5.Thephrase"asmallstepforeveryoneofus"meansthat______.解析：第6段解释"everyonecandosomethingsimpleliketurningofflights"，故填everyonecandosomethingsimpleliketurningofflights。6.Somecompaniesnowuse______tomaketheirproductsmoreenvironmentallyfriendly.解析：第7段提到"biodegradablematerialsarebecomingmorecommon"，故填biodegradablematerials。7.Thepassagesuggeststhatstudentscanhelpby______.解析：第9段提到"studentscanstartbypickinguplitter"，故填pickinguplitter。8.Theauthorbelievesthat______canmakeabigdifferencetotheenvironment.解析：第6段强调"evensmallactionsmatter"，故填smallactions。9.Thepassagementionsthatsomepeopledonotrecyclebecausethey______.解析：第8段提到"theydon'tknowhowtorecyclecorrectly"，故填don'tknowhowtorecyclecorrectly。10.Themainideaofthepassageisthat______.解析：全文总结"everyonecancontributetoenvironmentalprotection"，故填everyonecancontributetoenvironmentalprotection。三、判断题（每题2分，共20分）1.Thepassagemainlydiscussesthehistoryofenvironmentalpollution.解析：错误。课文重点介绍环保措施，而非历史。2.Usingreusablebagsisagoodwaytoreduceplasticwaste.解析：正确。第2段明确支持此观点。3.Batteriesareharmlesstotheenvironment.解析：错误。第3段指出电池含有重金属，会污染环境。4.TheschoolinCanada'srecyclingsystemhasfourcategoriesofwaste.解析：错误。第5段提到三种分类（可回收、不可回收、有害垃圾）。5.Theauthorthinksindividualactionsarenotimportantforenvironmentalprotection.解析：错误。第6段强调"everyone'sactionsmatter"。6.Biodegradablematerialsaremoreexpensivethanplastic.解析：未提及。课文未比较成本，故无法判断。7.Studentscanhelptheenvironmentbybuyingmoreproducts.解析：错误。第9段建议"startsmall"而非过度消费。8.Thepassagesuggeststhatrecyclingistoocomplicatedformostpeople.解析：正确。第8段提到"somepeoplethinkrecyclingistoodifficult"。9.Theauthorbelievesgovernmentsshouldsolveallenvironmentalproblems.解析：错误。课文强调个人责任，未提及政府包办。10.Thepassagementionsthatturningofflightscanreduceglobalwaste.解析：正确。第6段支持此观点。四、简答题（每题2分，共16分）1.Whatarethreewaystoreducewasteathomeaccordingtothepassage?参考答案：（1）Usereusablebagsinsteadofplasticbags.（2）Turnofflightswhennotinuse.（3）Recyclepaper,plastic,andmetal.解析：题干要求列举课文提到的具体措施，需结合全文内容。2.Whydosomepeoplenotrecycleproperly?参考答案：（1）Theydon'tknowhowtorecyclecorrectly.（2）Theydon'thaveenoughtime.（3）Theythinkitistoocomplicated.解析：考查对课文第8段内容的总结，需分点回答。3.Whatdoesthephrase"asmallstepforeveryoneofus"mean?参考答案：Itmeansthatevensimpleactions,liketurningoffalightorrecyclingonebottle,cancollectivelymakeabigdifferencetotheenvironment.解析：需结合第6段解释个人责任与集体效果的关系。4.Howcanstudentshelpprotecttheenvironmentintheircommunity?参考答案：（1）Organizeclean-upactivities.（2）Adviseotherstoreducewaste.（3）Planttreesorflowers.解析：需结合第9段和全文实践建议。5.Whatisthemainmessageofthepassage?参考答案：Everyonecancontributetoenvironmentalprotectionbytakingsmall,simpleactionsindailylife.解析：需概括全文核心观点。6.Whydocompaniesusebiodegradablematerials?参考答案：（1）Toattractenvironmentallyconsciouscustomers.（2）Toreducetheirenvironmentalimpact.（3）Tofollowgovernmentregulations.解析：需结合第7段分析企业动机。7.Whatistheproblemwithbatteries?参考答案：Batteriescontainheavymetalsthatpollutesoilandwaterifnotdisposedofproperly.解析：需总结第3段关于电池危害的内容。8.Howdoesthepassageencouragepeopletoact?参考答案：Thepassageencouragespeopletostartsmall,believethatindividualactionsmatter,andtakepracticalstepslikerecyclingandreducingwaste.解析：需结合全文的激励性语言。五、应用题（每题4分，共24分）1.Supposeyouareastudent.Writeashortparagraph(about50words)suggestingthreewaysyourclassmatescanhelptheenvironmentatschool.参考答案：Ourclassmatescanhelpbyrecyclingpaper,usingreusablewaterbottles,andturningofflightswhenleavingaclassroom.Thesesmallactionscanreducewasteandsaveenergy,makingourschoolmoreeco-friendly.解析：需结合课文环保措施，注意语言简洁。2.ImagineyouareinterviewingLisafromthepassage.Whatquestionswouldyouaskheraboutherenvironmentalefforts?参考答案：（1）Whatinspiredyoutostartpromotingrecyclinginyourcommunity?（2）Whatchallengesdidyoufacewhenpeoplefirstdidn'tunderstandyourideas?（3）Howdoyouthinkyoungstudentscanmakeadifferenceinprotectingtheenvironment?解析：需设计开放性问题，关联课文人物。3.Thepassagementions"manypeoplestillthrowawaybatterieswithoutthinking".Writeashortnotice(about30words)remindingpeopletodisposeofbatteriesproperly.参考答案：Warning:Batteriescontainharmfulchemicals.Pleasedonotthrowtheminthetrash.Usedesignatedrecyclingbinstoprotecttheenvironment.Thankyouforyourcooperation.解析：需模仿课文警示性语言，注意格式。4.Supposeyourschoolwantstostartarecyclingprogram.Whatstepswouldyousuggestbasedonthepassage?参考答案：（1）Installrecyclingbinsinclassroomsandhallways.（2）Educatestudentsaboutproperwastesorting.（3）Holdmonthlyclean-upevents.解析：需结合课文案例，提出可行性建议。5.Thepassagementions"asmallstepforeveryoneofus".Writeashortparagraph(about60words)explaininghowyoucanhelptheenvironmentinyourdailylife.参考答案：Icanhelpbyusingreusablebags,turningofflights,andplantingtreesathome.Evensmallactionslikethesecanreducepollutionandsaveresources.Everyperson'seffortisimportantforabetterfuture.解析：需结合个人实践，体现课文理念。6.Supposeyouarewritingablogpostaboutthepassage.Whatwouldbethemaintitleandthreesubheadings?参考答案：Title:SmallActions,BigImpact:HowWeCanProtecttheEnvironmentSubheadings:（1）WhyRecyclingMatters（2）SimpleStepsEveryoneCanTake（3）HowSchoolsCanLeadtheWay解析：需设计符合课文主题的标题和结构。【标准答案及解析】一、单项选择题1.B2.A3.C4.C5.C6.B7.B8.D9.B10.C二、填空题1.bottlesandbags2.usereusableutensils3.heavymetals2.introducedathree-colorrecyclingsystem5.everyonecandosomethingsimpleliketurningofflights3.biodegradablematerials7.pickinguplitter8.smallactions4.don'tknowhowtorecyclecorrectly10.everyonecancontributetoenvironmentalprotection三、判断题1.F2.T3.F4.F5.F6.U7.F8.T9.F10.T四、简答题1.（1）Usereusablebagsinsteadofplasticbags.（2）Turnofflightswhennotinuse.（3）Recyclepaper,plastic,andmetal.2.（1）Theydon'tknowhowtorecyclecorrectly.（2）Theydon'thaveenoughtime.（3）Theythinkitistoocomplicated.3.Itmeansthatevensimpleactions,liketurningoffalightorrecyclingonebottle,cancollectivelymakeabigdifferencetotheenvironment.4.（1）Organizeclean-upactivities.（2）Adviseotherstoreducewaste.（3）Planttreesorflowers.5.Everyonecancontributetoenvironmentalprotectionbytakingsmall,simpleactionsindailylife.6.（1）Toattractenvironmentallyconsciouscustomers.（2）Toreducetheirenvironmentalimpact.（3）Tofollowgovernmentregulations.7.Batteriescontainheavymetalsthatpollutesoilandwaterifnotdisposedofproperly.8.Th