2026学年八年级英语下册第三单元重难点第一次月考含答案及解析

2026学年八年级英语下册第三单元重难点第一次月考含答案及解析考试时长：120分钟满分：100分班级：__________姓名：__________学号：__________得分：__________一、单选题（总共10题，每题2分，总分20分）1.Whatdoes"sustainabledevelopment"meanaccordingtothepassage?A.RapideconomicgrowthatanycostB.ProtectingtheenvironmentwhilemeetinghumanneedsC.ReducingindustrialproductiontosaveenergyD.Encouragingmorepeopletousepublictransportation2.WhichofthefollowingisNOTatypicalproblemcausedbyplasticwaste?A.PollutionofoceansandriversB.DisruptionofwildlifehabitatsC.ImprovementofsoilfertilityD.Healthriskstohumans3.Thephrase"takeaction"inthetextisclosestinmeaningto:A.WaitandseeB.DosomethingtosolvetheproblemC.IgnoretheissueD.Discusstheproblemwithoutaction4.Whatisthemainpurposeofthepassage?A.ToadvertiseplasticproductsB.TopersuadereaderstoreduceplasticuseC.TodescribethehistoryofplasticD.Toexplainhowtorecycleplastic5.Accordingtothepassage,whichgroupismostlikelytobeaffectedbyplasticpollution?A.FishermeninremoteareasB.TouristsvisitingbeachesC.PeoplelivingnearfactoriesD.Childrenplayinginparks6.Theword"significant"inthetextisbestreplacedby:A.SmallB.ImportantC.UnusualD.Dangerous7.Whatshouldindividualsdotohelpreduceplasticwaste?A.BuymoreplasticproductsB.UsereusablebagsinsteadofdisposableonesC.CollectplasticbottlesforrecyclingD.Alloftheabove8.Thepassagesuggeststhatgovernmentscan:A.BanallplasticproductsB.EncouragecompaniestoproducebiodegradablematerialsC.DonothingaboutplasticwasteD.Onlyfocusonrecycling9.Whichsentencebestsummarizesthepassage?A.Plasticisusefulbutharmfultotheenvironment.B.Plasticwastecanbeeasilysolvedbytechnology.C.Everyoneshouldstopusingplasticimmediately.D.Plasticpollutionisaglobalproblemthatneedsattention.10.Whatistheauthor'sattitudetowardplasticpollution?A.IndifferentB.SupportiveC.ConcernedD.Critical二、填空题（总共10题，每题2分，总分20分）1.Thepassagementionsthatplasticwastecanharm_______intheocean.2.Sustainabledevelopmentaimstobalance_______andenvironmentalprotection.3.Toreduceplasticpollution,peopleshould_______single-useplastics.4.Thetexthighlightstheneedfor_______tosolvetheproblem.5.A"biodegradable"materialcanbe_______bynaturalprocesses.6.Plasticbottlesareoftenmadefrom_______oil.7.Thepassagesuggeststhatplasticwasteaffects_______andanimals.8.Governmentscanintroduce_______tolimitplasticproduction.9.Theword"significant"inthetextreferstothe_______impactofplasticpollution.10.Individualscanhelpby_______waterbottlesinsteadofbuyingnewones.三、判断题（总共10题，每题2分，总分20分）1.Plasticwasteiscompletelyharmlesstotheenvironment.(×)2.Sustainabledevelopmentmeansprioritizingeconomicgrowthovertheenvironment.(×)3.Recyclingplasticisaneffectivewaytoreducepollution.(√)4.Thepassagementionsthatplasticwastecanbeeasilysolvedbytechnologyalone.(×)5.Governmentsshouldcompletelybanallplasticproducts.(×)6.Usingreusablebagsisasimplewaytoreduceplasticwaste.(√)7.Plasticpollutionmainlyaffectsremoteareasfarfromcities.(×)8.Theauthorbelievesplasticisanecessaryevilformodernlife.(×)9.Biodegradablematerialsarebetterthanplasticbecausetheydon'tharmtheenvironment.(√)10.Thepassagesuggeststhatindividualshavenoroleinsolvingplasticpollution.(×)四、简答题（总共4题，每题4分，总分16分）1.Whatarethreemainproblemscausedbyplasticwaste?2.Howcangovernmentshelpreduceplasticpollution?3.Whyissustainabledevelopmentimportant?4.Whatcanindividualsdotoreducetheirplasticfootprint?五、应用题（总共4题，每题6分，总分24分）1.Imagineyouarewritingashortarticleaboutplasticpollution.Writethreesentencesexplainingwhyitisaseriousproblem.2.Describetwowaysreusablebagsarebetterthandisposableplasticbags.3.Ifyourschoolwantstoreduceplasticwaste,whatspecificactionscouldtheytake?4.Explainhowrecyclingplastichelpstheenvironment.【标准答案及解析】一、单选题1.B解析：根据文章内容，可持续发展是指在满足人类需求的同时保护环境，故B正确。2.C解析：塑料垃圾会导致土壤污染，但不会提高土壤肥力，故C错误。3.B解析："takeaction"意为采取行动解决问题，故B正确。4.B解析：文章主要目的是呼吁读者减少塑料使用，故B正确。5.B解析：游客在海滩容易接触到塑料污染，故B正确。6.B解析："significant"意为重要的，故B正确。7.D解析：以上所有做法都有助于减少塑料垃圾，故D正确。8.B解析：文章建议政府鼓励生产可生物降解材料，故B正确。9.D解析：文章强调塑料污染是全球性问题，需要关注，故D正确。10.C解析：作者对塑料污染表示担忧，故C正确。二、填空题1.marinelife解析：文章提到塑料垃圾危害海洋生物。2.economicdevelopment解析：可持续发展平衡经济发展与环境保护。3.reduce解析：文章建议减少一次性塑料使用。4.cooperation解析：文章强调需要合作解决塑料污染问题。5.brokendown解析：可生物降解材料能被自然分解。6.petroleum解析：塑料瓶通常由石油制成。7.ecosystems解析：塑料污染影响生态系统和动物。8.regulations解析：政府可制定法规限制塑料生产。9.harmful解析："significant"指塑料污染的负面影响。10.reuse解析：重复使用水杯可减少塑料使用。三、判断题1.×解析：塑料垃圾对环境有害，故错误。2.×解析：可持续发展平衡经济与环保，故错误。3.√解析：回收塑料是减少污染的有效方法，故正确。4.×解析：文章认为技术不能单独解决塑料污染，故错误。5.×解析：政府应限制而非完全禁止塑料，故错误。6.√解析：使用可重复使用的袋子可减少塑料，故正确。7.×解析：塑料污染影响沿海地区，故错误。8.×解析：作者不认为塑料是必要的恶，故错误。9.√解析：可生物降解材料更环保，故正确。10.×解析：个人可参与解决塑料污染，故错误。四、简答题1.Threeproblemscausedbyplasticwaste:pollutionofoceans,harmtowildlife,andslowdecomposition.解析：塑料垃圾污染海洋，危害野生动物，且分解缓慢。2.Governmentscanhelpbyintroducingregulations,encouragingbiodegradablematerials,andimprovingrecyclingsystems.解析：政府可通过法规、鼓励可生物降解材料、改进回收系统来帮助减少塑料污染。3.Sustainabledevelopmentisimportantbecauseitensuresthatresourcesmeetcurrentneedswithoutharmingfuturegenerations.解析：可持续发展确保资源满足当前需求而不损害未来世代。4.Individualscanreduceplasticfootprintbyusingreusablebags,bot