2025-2026年天津市部编版初中二年级英语下册第4单元课时作业

2025-2026年天津市部编版初中二年级英语下册第4单元课时作业一、单项选择题（总共10题，每题2分，共20分）1.根据第4单元课文内容，Whatisthemaintopicofthereadingpassage"ProtectingtheEnvironment"?A.Thehistoryofenvironmentalpollutionintheworld.B.Theimportanceofrecyclingandreducingwaste.C.Thedevelopmentofrenewableenergysources.D.Theeffectsofclimatechangeonpolarbears.解析：本单元课文重点讨论了垃圾分类、减少浪费和节约资源对环境保护的作用，选项B最符合课文主题。选项A、C、D虽然与环保相关，但并非本单元核心内容。2.Intheunit,Lisasharesherexperienceofparticipatinginaschool"GreenWeek"activity.Whatdoesshedo?A.Sheorganizesadebateaboutglobalwarming.B.Sheplantstreesintheschoolgarden.C.Shewritesalettertothemayoraboutpollution.D.Shedesignsanewtypeofsolarpanel.解析：根据课文描述，Lisa参与了学校花园的植树活动，选项B正确。其他选项虽然与环保相关，但并非Lisa的具体行动。3.Thepassagementionsthreewaystoprotecttheenvironment.WhichofthefollowingisNOToneofthem?A.Usingreusablebagsinsteadofplasticbags.B.Turningofflightswhenleavingaroom.C.Buyingproductsmadefromrecycledmaterials.D.Throwingallwasteintoasinglebin.解析：课文强调减少塑料使用、节约能源和回收利用，选项D与环保原则相反，因此是错误选项。4.Accordingtotheunit,whatdoes"reduce,reuse,recycle"mean?A.ItisasloganforaTVshowaboutanimals.B.Itisaruleforstudentsintheschool.C.Itisamethodtoprotecttheenvironment.D.Itisawaytomakemoneyfromwaste.解析：本单元多次强调"Reduce,reuse,recycle"是环保三原则，选项C正确。其他选项与课文内容无关。5.Theteacherasksstudentstowriteashortparagraphabouthowtheycanhelptheenvironment.Whichsentenceisthebestopeningsentence?A."Iliketoeatpizzaeveryday."B."Protectingtheenvironmentisveryimportant."C."Mydogisverycute."D."Theschoolhasabigplayground."解析：选项B直接点明主题，符合写作要求。其他选项与环保无关。6.Intheunit,Markmentionsthatheusedtowastepaper.Nowhedoeswhat?A.Hethrowsallpaperinthetrash.B.Heusesbothsidesofthepaper.C.Hebuysnewpapereveryday.D.Heburnspapertostaywarminwinter.解析：课文提到Mark开始双面使用纸张以节约资源，选项B正确。7.Thepassageincludesasurveyofstudents'habits.Whatdoesthesurveyshow?A.Moststudentsneverrecycle.B.Manystudentsarenotawareofenvironmentalproblems.C.Allstudentshaveperfectenvironmentalhabits.D.Nooneintheclasscaresabouttheenvironment.解析：课文提到调查显示许多学生环保意识不足，选项B正确。8.Whatisthebesttitlefortheunit'sgrammarsection"ModalsforEnvironmentalAdvice"?A."HowtoCookHealthyFood"B."Using'Should'and'Must'forRules"C."TalkingAbouttheWeather"D."DescribingPeople'sHabits"解析：本单元语法部分重点讲解情态动词用于环保建议，选项B最符合内容。9.Theunitincludesarole-playactivitywherestudentsactasenvironmentalexperts.Whatdotheydiscuss?A.ThehistoryoftheEarth.B.Solutionstoplasticpollution.C.Thelifeoffamousscientists.D.Thepricesofdifferentfruits.解析：课文提到学生扮演环保专家讨论塑料污染解决方案，选项B正确。10.Whatisthemaingoaloftheunit'sspeakingactivity"AGreenDebate"?A.Topracticeorderingfoodinarestaurant.B.Todiscussthebestwaytotravel.C.Toargueabouttheimportanceofrecycling.D.Todescribeacityinthepast.解析：本单元口语活动是关于回收重要性的辩论，选项C正确。二、填空题（总共10题，每题2分，共20分）1.Theunitsuggeststhatwecan_______waterbyturningoffthetapwhenwedon'tneedit.解析：课文强调节约用水，填"save"。2.Recyclinghelpsto_______theamountofwastethatgoestolandfills.解析：本单元多次提到回收减少垃圾，填"reduce"。3.Thepassagementionsthatsomepeople_______tousereusablebottlesinsteadofplasticones.解析：课文提到人们开始使用可重复使用的瓶子，填"start"或"begin"。4.Weshould_______oldclothestocharityiftheyarestillingoodcondition.解析：本单元建议捐赠旧衣物，填"donate"。5.Theunitincludesareadingpassageaboutagirlwho_______acampaigntoreduceplasticuseinhercommunity.解析：课文提到女孩发起减少塑料使用的活动，填"starts"或"launches"。6.Thegrammarsectionteacheshowtouse_______togiveadviceabouttheenvironment.解析：本单元语法部分讲解情态动词，填"modalverbs"或"can/must"。7.Studentsareaskedto_______aposteraboutprotectingtheenvironmentfortheschoolwall.解析：课文提到制作环保海报，填"design"或"create"。8.Theunitsuggeststhatwecan_______energybyusingLEDlightbulbsinsteadofoldones.解析：本单元强调节约能源，填"save"或"conservation"。9.Thepassageincludesasurveyshowingthatabout_______ofstudentsalwaysrecycleathome.解析：课文提到约30%的学生在家回收，填"30%"或"three-tenths"。10.Theunit'swritingtaskasksstudentsto_______ashortlettertotheirlocalgovernmentaboutenvironmentalproblems.解析：课文要求写环保建议信，填"write"或"compose"。三、判断题（总共10题，每题2分，共20分）1.Theunitonlyfocusesontheproblemsofairpollution.解析：错误。本单元涵盖塑料污染、水资源浪费等多个环保问题。2.Allstudentsintheclassparticipatedinthe"GreenWeek"activities.解析：错误。课文提到只有部分学生参与，并非全部。3.Usingdisposablechopsticksisgoodfortheenvironment.解析：错误。本单元强调减少一次性用品，disposablechopsticksareharmful.4.Thepassagesuggeststhatrecyclingistheonlywaytoprotecttheenvironment.解析：错误。课文强调减少、重复使用和回收都是重要方法。5.Theunitincludesagrammarsectionabouthowtodescribefutureevents.解析：错误。语法部分是情态动词用于环保建议。6.Studentsareaskedtowriteafullessayaboutenvironmentalprotection.解析：错误。写作任务是短文或信件，非长篇论文。7.Theunit'sspeakingactivityisaboutinterviewingfamousenvironmentalists.解析：错误。口语活动是关于回收重要性的辩论。8.Thepassagementionsthatallwastecanberecycled.解析：错误。并非所有垃圾都可回收，有些需要特殊处理。9.Theunitsuggeststhatweshouldthrowallwasteintoonebin.解析：错误。本单元强调垃圾分类。10.Theunitincludesavideoaboutaschoolthatusesonlysolarenergy.解析：错误。课文未提及具体视频内容。四、简答题（总共8题，每题2分，共16分）1.WhatarethethreeR'sofenvironmentalprotection?解析：Reduce（减少）、Reuse（重复使用）、Recycle（回收）。2.Whyisrecyclingimportant?解析：回收可以节约资源、减少垃圾填埋、保护自然资源。3.Howcanstudentssavewateratschool?解析：关掉不用的水龙头、用洗菜水浇花、洗手时少用水。4.Whatdoes"reducewaste"mean?解析：减少不必要的消费和垃圾产生，如自带购物袋、避免过度包装。5.Whyisitbadtothrowallwasteinonebin?解析：不同垃圾需要不同处理方式，混合投放会污染环境或浪费资源。6.Howcanpeoplereuseoldclothes?解析：捐赠、改造成家居用品、送给需要的人。7.Whatisthepurposeofthe"GreenWeek"activity?解析：提高环保意识、鼓励学生参与环保行动、宣传环保知识。8.Whyisitimportanttousereusablebottles?解析：减少塑料瓶生产和垃圾，节约能源和资源。五、应用题（总共8题，每题4分，共24分）1.Supposeyouareastudent.Writeashortparagraph(5sentences)abouthowyoucanhelpprotecttheenvironmentathome.解析：-Icansavewaterbyturningoffthetapwhenbrushingmyteeth.-Ialwaysusereusablebagswhenshopping.-Iseparatewasteintorecyclableandnon-recyclablebins.-Iplanttreesinmybackyardtohelptheenvironment.-Itellmyfamilyabouttheimportanceofreducingwaste.2.Imagineyouareinagroupdiscussionaboutplasticpollution.Whatarethreesolutionsyousuggest?解析：-Encourageusingreusablecontainersinsteadofplasticones.-Supportcompaniesthatmakeeco-friendlyproducts.-Educatepeopleabouttheharmofplasticwaste.3.Writeashortdialogue(4lines)betweentwostudentstalkingabouttheirweekendplansrelatedtotheenvironment.解析：-StudentA:"Whatareyoudoingthisweekend?"-StudentB:"I'mjoiningabeachclean-uptoremoveplasticwaste."-StudentA:"That'sgreat!I'mvolunteeringattherecyclingcenter."-StudentB:"We'remakingadifferencetogether!"4.Createaposter(6sentences)toencouragepeopletosaveenergy.解析：-Turnofflightswhenleavingaroom.-Useenergy-efficientbulbs.-Unplugdeviceswhennotinuse.-Usenaturallightduringtheday.-Walkorbikeinsteadofdriving.-Supportrenewableenergyprojects.5.Supposeyouarewritingalettertoyourlocalmayoraboutplasticbags.Whatarethreerequestsyoumake?解析：-Pleasebansingle-useplasticbagsinshops.-Encouragebusinessestousepaperorclothbags.-Providesubsidiesforreusablebagproduction.6.Describeasituationwhereyoureducewaste.(4sentences)解析：-LasttimeIwenttothesupermarket,Ibroughtmyownbag.-Ididn'tbuythepackedsnacksbecausetheyhadtoomuchplastic.-Iusedtheleftoverbreadtomakesandwichesthenextday.-Thisway,Isavedmoneyandreducedwaste.7.Imagineyouareinterviewingapersonwhorecycleseveryday.Whatarethreequestionsyouask?解析：-Howlonghaveyoubeenrecycling?-Whatchallengesdoyoufacewhenrecycling?-Howdoyouencourageotherstorecycle?8.Writeashortparagraph(4sentences)explainingwhytreesareimportantfortheenvironment.解析：-Treesabsorbcarbondioxideandreleaseoxygen.-Theyprovidehabitatsformanyanimals.-Treerootspreventsoilerosion.-Plantingmoretreeshelpsfightclimatechange.【标准答案及解析】一、单项选择题1.B2.B3.D4.C5.B6.B7.B8.B9.C10.C解析：每题均根据课文内容判断，选项B、C、D为正确答案。二、填空题1.save2.reduce3.start/begin4.donate5.starts/launches6.modalverbs/can/must7.design/create8.save/conservation9.30%/three-tenths10.write/compose解析：填空题答案均来自课文关键词或语法重点。三、判断题1.F2.F3.F4.F5.F6.F7.F8.F9.F10.F解析：每题均根据课文内容判断，均为错误表述。四、简答题1.Reduce,Reuse,Recycle2.Recyclingsavesresources,reduceslandfillwaste,andprotectsnature.3.Turnofftaps,usewaterforgardening,takeshortshowers.4.Reducingwastemeansavoidingunnecessaryconsumptionandproducinglesstrash.5.Mixedwasteishardertoprocessandcancontaminatetheenvironment.6.Donate,repurpose,givetoothers.7.Toraiseawareness,encourageaction,andspreadknowledge.8.Reducesplasticproductionandwaste,conservesenergy.五、应用题1.Sampleanswer:-Isavewaterbyturningoffthetapwhenbrushingteeth.-Iusereusablebagsforshopping.-Iseparatewasteintorecyclableandnon-recyclablebins.-Iplanttreesinmybackyard.-Itellmyfamilyaboutreducingwaste.2.Sampleanswer:-Usereusablecontainers.-Supporteco-friendlyproducts.