2026学年九年级英语下册第九单元核心考点单元练习含答案及解析

2026学年九年级英语下册第九单元核心考点单元练习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：__________考核对象：九年级学生试卷总分：100分一、单选题（总共10题，每题2分，共20分）1.Whatdoes"sustainabledevelopment"meanaccordingtothetext?A.RapideconomicgrowthatanycostB.ProtectingtheenvironmentwhilemeetinghumanneedsC.ReducingindustrialproductiontosaveenergyD.Encouragingtourismtogeneraterevenue参考答案：B2.WhichofthefollowingisNOTatypicalproblemcausedbyplasticwaste?A.PollutionofoceansB.DisruptionofwildlifehabitatsC.ImprovementofsoilfertilityD.Spreadofdiseases参考答案：C3.Thephrase"takeaction"inthepassageisclosestinmeaningto:A.WaitandseeB.DosomethingimmediatelyC.IgnoretheproblemD.Discusstheissuelater参考答案：B4.Whatisthemainpurposeofthearticle?A.Toselleco-friendlyproductsB.TopersuadereaderstoreducewasteC.ToblamegovernmentsforenvironmentalissuesD.Todescribethehistoryofplastic参考答案：B5.Theword"significant"inthetextismostsimilarto:A.SmallB.ImportantC.ExpensiveD.Difficult参考答案：B6.Whichsentenceshowstheauthor'sopinionaboutrecycling?A."Recyclingisawasteoftime."B."Recyclingcanhelptheenvironment."C."Recyclingistooexpensive."D."Recyclingisonlyforrichcountries."参考答案：B7.Whatdoes"biodegradable"mean?A.CanberecycledB.CannotbebrokendownbynatureC.IsmadeofplasticD.Breaksdowneasilyintheenvironment参考答案：D8.Thepassagesuggeststhatindividualscan:A.DonothingaboutenvironmentalproblemsB.RelysolelyongovernmentstosolveissuesC.MakesmallchangestoreducewasteD.Onlyparticipateinlargeprotests参考答案：C9.Whichofthefollowingisadirectconsequenceofdeforestation?A.IncreasedrainfallB.LossofbiodiversityC.MorejobopportunitiesD.Improvedairquality参考答案：B10.Theword"conserve"inthetextisbestreplacedby:A.WasteB.SaveC.UseexcessivelyD.Throwaway参考答案：B---二、填空题（总共10题，每题2分，共20分）1.Toprotecttheplanet,weshould_______single-useplastics.2.Renewableenergysourcesinclude_______andwindpower.3.Thegovernmenthasintroducednewlawsto_______pollution.4._______istheprocessofturningwasteintonewmaterials.5.Deforestationleadsto_______inmanyregions.6.A_______isanexampleofasustainableproduct.7.TheEarth'satmosphereisdegradingduetoexcessive_______.8._______isamajorthreattomarinelife.9.Toreducecarbonfootprint,peoplecan_______publictransportation.10.Thearticlehighlightstheimportanceof_______resources.参考答案：1.reduce2.solarenergy3.reduce4.recycling5.drought6.bamboocup7.pollution8.plasticwaste9.use10.conserving---三、判断题（总共10题，每题2分，共20分）1.Recyclingisalwaysmoreprofitablethanproducingnewmaterials.(×)2.Treesabsorbcarbondioxide,whichhelpscombatclimatechange.(√)3.Allplasticsarebiodegradable.(×)4.Individualactionshavenoimpactonglobalenvironmentalissues.(×)5.Sustainabledevelopmentfocusesonlyoneconomicgrowth.(×)6.Waterscarcityisaresultofdeforestation.(√)7.Renewableenergyischeaperthanfossilfuels.(√)8.Governmentsshouldbearallresponsibilityforenvironmentalprotection.(×)9.Compostingisaformofrecycling.(√)10.Usingreusablebagsreducesplasticwaste.(√)参考答案：1.×2.√3.×4.×5.×6.√7.√8.×9.√10.√---四、简答题（总共3题，每题4分，共12分）1.Whatarethreebenefitsofusingrenewableenergy?答案要点：-Reducespollution-Sustainable(renewable)-Cheaperinthelongrun2.Howcanschoolspromotewastereductionamongstudents?答案要点：-Installrecyclingbins-Educatestudentsaboutsustainability-Encouragereusablecontainers3.Explainthedifferencebetween"sustainable"and"unsustainable"development.答案要点：-Sustainable:meetscurrentneedswithoutharmingfuturegenerations-Unsustainable:depletesresourcesandharmstheenvironment---五、应用题（总共2题，每题9分，共18分）1.Supposeyourschoolwantstoreduceplasticwaste.Writeashortproposal(100words)suggestingthreeactionsandexplainwhytheyareeffective.答案要点：-Action1:Bansingle-useplastics(reduceswasteimmediately)-Action2:Promotereusablebottles(long-termsolution)-Action3:Hostrecyclingworkshops(educatesstudents)评分标准：-Eachaction(3points)-Explanation(3points)-Clarityandcoherence(3points)2.Imagineyouarewritinganarticleaboutclimatechange.Whatthreekeypointswouldyouinclude,andwhy?答案要点：-Point1:Risingtemperatures(affectsecosystems)-Point2:Meltingicecaps(sealevelrise)-Point3:Humanactions(causesandsolutions)评分标准：-Relevance(3points)-Depthofexplanation(3points)-Logicalstructure(3points)---标准答案及解析一、单选题解析1.B-"Sustainabledevelopment"meansbalancingeconomicgrowthwithenvironmentalprotection.2.C-Plasticwasteharmssoilbutimprovesfertilityinsmallamounts.3.B-"Takeaction"meansdoingsomethingnow,notdelaying.4.B-Thearticle'spurposeistopersuadereaderstoreducewaste.5.B-"Significant"meansimportantorlargeinimpact.6.B-Theauthorsupportsrecyclingasbeneficial.7.D-"Biodegradable"meansbreakingdownnaturally.8.C-Smallchangesbyindividualsmatter.9.B-Deforestationreducesbiodiversity.10.B-"Conserve"meanssaveorprotect.二、填空题解析1.reduce-Tocutdownusage.2.solarenergy-Aclean,renewablesource.3.reduce-Tolessenpollution.4.recycling-Convertingwasteintonewmaterials.5.drought-Lackofwaterduetodeforestation.6.bamboocup-Eco-friendlyalternativetoplastic.7.pollution-Damagestheatmosphere.8.plasticwaste-危害marinelife.9.use-Reducesemissions.10.conserving-Protectingresources.三、判断题解析1.×-Recyclingcostsmorethannewproduction.2.√-TreesabsorbCO₂.3.×-Mostplasticsarenotbiodegradable.4.×-Individualactionsmatter.5.×-Sustainabledevelopmentincludessocialequity.6.√-Treesprovidewaterregulation.7.√-Renewableenergyisbecomingcheaper.8.×-Bothindividualsandgovernmentsshareresponsibility.9.√-Compostingturnswasteintofertilizer.10.√-Reusablebagspreventplasticwaste.四、简答题解析1.Benefitsofrenewableenergy:-Reducespollution(lessCO₂)-Sustainable(neverrunsout)-Cheaperovertime(nofuelcosts)2.Schoolwastereductionactions:-Installrecyclingbins(easyaccess)-Educatestudents(awareness)-Encouragereusableitems(long-termchange)3.Differencebetweensustainableandunsustainabledevelopment:-Sustainable:balancesneedswithoutharmingfuturegenerations(e.g.,solarfarms).-Unsustainable:depletesresources(e.g.,deforestationfortimber).五、应用题解析1.Schoolproposalf