2026学年九年级英语上册第三单元重难点第一次月考含答案及解析

2026学年九年级英语上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"meanaccordingtothetext?A.RapideconomicgrowthatanycostB.ProtectingtheenvironmentwhilemeetinghumanneedsC.ReducingindustrialproductiontosaveresourcesD.Encouragingtourismtogenerateincome2.WhichofthefollowingisNOTatypicalproblemcausedbyplasticwaste?A.PollutionofoceansandriversB.DisruptionofwildlifehabitatsC.ImprovementofsoilfertilityD.Healthriskstohumans3.Thephrase"takeaction"inthepassageisclosestinmeaningto:A.WaitandseeB.DosomethingimmediatelyC.IgnoretheproblemD.Discusstheissuelater4.Whatisthemainpurposeofthepassage?A.Topersuadereaderstobuyeco-friendlyproductsB.ToexplainthecausesofenvironmentalpollutionC.TodescribetheimportanceofsustainablelivingD.Tocriticizegovernmentsfornotactingfastenough5.Theword"biodiversity"inthetextrefersto:A.ThevarietyofplantsandanimalsinanareaB.ThenumberoftreesplantedinaforestC.TheamountofwasterecycledannuallyD.Thegrowthrateofrenewableenergy6.Whichsentencebestsummarizesthesecondparagraph?A.Recyclingistheonlysolutiontoplasticpollution.B.Manypeopleareawareoftheproblemscausedbyplastic.C.Plasticwasteismoreharmfulthanothertypesofpollution.D.Governmentsshouldbanallplasticproductsimmediately.7.Whatdoestheauthorsuggestpeopledotoreduceplasticuse?A.BuymoreplasticproductstosupporttheeconomyB.UsereusablebagsinsteadofdisposableonesC.ThrowawayplasticwastetoavoidfinesD.Ignoretheissuebecauseitistoobig8.Thepassagementions"biodegradablematerials"asanalternativetoplastic.WhichofthefollowingisNOTanexampleofbiodegradablematerial?A.PaperbagsB.GlassbottlesC.CottonfabricD.Metalcans9.Whatisthetoneofthepassage?A.Humorousandlight-heartedB.InformativeandseriousC.ArgumentativeandbiasedD.Indifferentandobjective10.Thephrase"agrowingconcern"inthetextimplies:A.AproblemthatisbecominglessimportantB.AnissuethatisattractingmoreattentionC.AsolutionthatiswidelyacceptedD.Athreatthatisalreadysolved二、填空题（总共10题，每题2分，总分20分）1.Thepassagehighlightstheneedfor_______toprotecttheenvironment.2.Plasticwastecanharm_______andmarinelife.3.Sustainabledevelopmentaimstobalance_______andenvironmentalprotection.4.Manypeoplestill_______theimportanceofreducingplasticuse.5.Theauthorsuggestsusing_______insteadofdisposablecontainers.6.Biodiversityiscrucialforthe_______ofecosystems.7.Recyclinghelpsreducetheamountofwaste_______.8.Biodegradablematerialsbreakdownnaturallyinthe_______.9.Governmentsshould_______policiestoencouragesustainablepractices.10.Thepassagementionsthatsomeplasticsarenot_______inwater.三、判断题（总共10题，每题2分，总分20分）1.Thepassagesupportstheideathateconomicgrowthshouldcomebeforeenvironmentalprotection.(×)2.Plasticwasteisamajorthreattooceanecosystems.(√)3.Usingreusablebagsisaneffectivewaytoreduceplasticpollution.(√)4.Theauthorbelievesgovernmentsshouldcompletelybanplasticproducts.(×)5.Biodiversityisnotimportantforthehealthofecosystems.(×)6.Biodegradablematerialsarethesameasplastic.(×)7.Thepassagesuggeststhatpeopleshouldignoreplasticpollutionbecauseitistooserious.(×)8.Recyclingcansignificantlyreducetheamountofwasteinlandfills.(√)9.Theauthorisneutralabouttheproblemofplasticwaste.(×)10.Sustainabledevelopmentmeansfocusingonlyoneconomicgrowth.(×)四、简答题（总共4题，每题4分，总分16分）1.Explainthemeaningof"sustainabledevelopment"inyourownwords.2.Describetwoproblemscausedbyplasticwaste.3.Whatarethreewayspeoplecanreducetheirplasticuse?4.Whyisbiodiversityimportantfortheenvironment?五、应用题（总共4题，每题6分，总分24分）1.Imagineyouarewritingashortarticleaboutplasticpollution.Writethreesentencesintroducingtheproblem.2.Listthreebenefitsofusingreusablebagsinsteadofdisposableones.3.Describehowrecyclinghelpsprotecttheenvironment.4.Ifyouwereagovernmentofficial,whatonepolicywouldyouimplementtoreduceplasticpollution?Explainyouridea.【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"意为立即采取行动，故B正确。4.C解析：文章主要强调可持续生活的重要性，故C正确。5.A解析：biodiversity指生物多样性，即植物和动物的多样性，故A正确。6.B解析：第二段提到许多人意识到塑料污染问题，故B正确。7.B解析：文章建议使用可重复使用的袋子，故B正确。8.D解析：金属罐不可生物降解，故D错误。9.B解析：文章语气客观且严肃，故B正确。10.B解析："growingconcern"指问题越来越受关注，故B正确。二、填空题1.action2.wildlife3.economicdevelopment4.ignore5.reusablebags6.stability7.generated8.environment9.promote10.soluble三、判断题1.×解析：文章强调平衡经济发展与环境保护，故错误。2.√解析：文章提到塑料污染威胁海洋生态系统，故正确。3.√解析：文章建议使用可重复使用的袋子，故正确。4.×解析：文章主张逐步减少塑料使用，而非完全禁止，故错误。5.×解析：生物多样性对生态系统健康至关重要，故错误。6.×解析：生物降解材料与塑料不同，故错误。7.×解析：文章主张解决塑料污染，故错误。8.√解析：回收有助于减少垃圾填埋，故正确。9.×解析：作者对塑料污染持严肃态度，故错误。10.×解析：可持续发展平衡经济与环保，故错误。四、简答题1.解析：可持续发展是指在满足当代人需求的同时，不损害后代人满足其需求的能力。它强调经济、社会和环境的协调发展。2.解析：塑料污染会导致海洋生物误食塑料而死亡，以及土壤和水源污染。3.解析：人们可以减少一次性塑料袋的使用，选择可重复使用的购物袋；避免使用一次性塑料餐具；购买可降解产品。4.解析：生物多样性有助于维持生态