2026学年八年级英语下册第五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五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"meanaccordingtotheunit?A.RapideconomicgrowthatanycostB.ProtectingtheenvironmentwhilemeetinghumanneedsC.ReducingindustrialproductiontosaveenergyD.Encouragingmorepeopletousepublictransportation2.WhichofthefollowingisNOTatypicalproblemcausedbyplasticwaste?A.PollutionofoceansB.BlockageofdrainagesystemsC.ImprovementofsoilfertilityD.Threattowildlife3.Thephrase"takeaction"intheunitisclosestto:A.WaitandseeB.DosomethingtosolveaproblemC.IgnoretheissueD.Discusstheproblemwithoutaction4.Whatisthemainpurposeofa"greencertificate"?A.ToshowownershipofacarB.ToproveaproductisenvironmentallyfriendlyC.ToreducetaxesforbusinessesD.Toencouragerecyclingathome5.Theunitsuggeststhatindividualscancontributetosustainabilityby:A.BuyingmoreelectronicdevicesB.ReducingwaterconsumptionC.ThrowingawayfoodtoreducewasteD.Usingdisposablecutlery6.Whatdoes"carbonfootprint"referto?A.TheweightofcarbondioxidereleasedbyactivitiesB.TheheightoftreesinaforestC.TheamountofcarbonstoredinsoilD.Thedistancetraveledbyavehicle7.Theunitemphasizestheimportanceof:A.CompetingwithothercountriesforresourcesB.WorkingtogethertosolveglobalissuesC.IncreasingindividualwealthregardlessofconsequencesD.Avoidingallformsoftechnology8.Whichsentencebestdescribes"renewableenergy"?A.EnergythatrunsoutovertimeB.Energyfromnon-replaceablesourcesC.EnergyfromnaturalsourcesthatreplenishthemselvesD.Energythatisexpensivetoproduce9.Theunitmentionsthat"biodegradablematerials"can:A.NeverberecycledB.BreakdownnaturallyovertimeC.IncreasepollutioninlandfillsD.Requirespecialtreatmenttodecompose10.Whatistheroleof"communityprojects"insustainability?A.TocreatejobsforpoliticiansB.ToinvolvepeopleinsolvinglocalenvironmentalissuesC.ToincreasegovernmentspendingD.Todiscourageindividualefforts二、填空题（总共10题，每题2分，总分20分）1.Toreduce______,peopleshouldusereusablebagsinsteadofplasticones.2.Solarenergyisanexampleofa(n)______energysource.3.Theunitencouragesstudentsto______foragreenerfuture.4.______istheamountofgreenhousegasesproducedbyhumanactivities.5.Recyclinghelpsto______naturalresources.6.A"greencertificate"canbegivenfor______products.7.Theunitsuggeststhat______canbeharmfultowildlife.8.Toloweryour______,youcanwalkorbikeinsteadofdriving.9.______materialscanbecompostedwithoutcausingpollution.10.Theunithighlightstheneedfor______cooperationtoaddressclimatechange.三、判断题（总共10题，每题2分，总分20分）1.Sustainabledevelopmentmeansbalancingeconomicgrowthwithenvironmentalprotection.(正确)2.Plasticbottlescanbeeasilydecomposedbynature.(错误)3.Usingpublictransportationalwaysreducesaperson'scarbonfootprint.(正确)4.A"greencertificate"isonlyforelectriccars.(错误)5.Theunitsuggeststhatindividualshavenopowertochangeenvironmentalissues.(错误)6.Renewableenergysourceswilleventuallyrunout.(错误)7.Biodegradablematerialsarethesameasrecyclablematerials.(错误)8.Communityprojectsarenoteffectiveinpromotingsustainability.(错误)9.Theunitfocusesonlyonglobalproblems,ignoringlocalissues.(错误)10.Reducingwaterconsumptionhasnoimpactonsustainability.(错误)四、简答题（总共4题，每题4分，总分16分）1.Explainthedifferencebetweenrenewableandnon-renewableenergysources.2.Whyisreducingwasteimportantforsustainability?3.Describeonewayindividualscanhelpprotecttheenvironment.4.Whatisa"carbonfootprint,"andhowcanpeoplereduceit?五、应用题（总共4题，每题6分，总分24分）1.Imagineyourschoolwantstobecomemoresustainable.Suggestthreeactionstheschoolcouldtakeandexplainwhyeachiseffective.2.Youareorganizingacommunityeventtoraiseawarenessaboutplasticpollution.Whatactivitiescouldyouinclude,andhowwouldtheyhelp?3.Writeashortparagraphexplaininghowusingsolarpanelscanbenefitboththeenvironmentandtheeconomy.4.Supposeyourfamilydecidestoreducetheircarbonfootprint.Listthreespecificchangesyoucouldmakeathomeandexplaintheimpactofeach.【标准答案及解析】一、单选题1.B解析：Sustainabledevelopmentisdefinedasmeetingpresentneedswithoutcompromisingfuturegenerations'abilitytomeettheirs,balancingeconomic,social,andenvironmentalaspects.2.C解析：Plasticwasteharmsecosystemsbutimprovingsoilfertilityisabenefitoforganicwaste,notplastic.3.B解析："Takeaction"meansactivelyaddressingaproblem,notpassivelywaitingorignoringit.4.B解析：Greencertificatesindicateproductsmeetenvironmentalstandards,suchasbeingeco-friendly.5.B解析：Reducingwaterconsumptionconservesresourcesandreducesenvironmentalimpact.6.A解析：Carbonfootprintmeasuresgreenhousegasemissionsfromhumanactivities.7.B解析：Theunitemphasizescollaborationtosolveglobalissueslikeclimatechange.8.C解析：Renewableenergycomesfromsourceslikesunlightorwind,whichreplenishthemselves.9.B解析：Biodegradablematerialsbreakdownnaturally,reducinglandfillwaste.10.B解析：Communityprojectsengagelocalresidentsinenvironmentalinitiatives.二、填空题1.plasticwaste解析：Reusablebagsreducesingle-useplasticconsumption.2.renewable解析：Solarenergyisnaturallyreplenished.3.takeaction解析：Theunitencouragesproactivemeasuresforsustainability.4.carbonfootprint解析：Itmeasuresgreenhousegasemissionsfromhumanactivities.5.conserve解析：Recyclingreducestheneedfornewrawmaterials.6.eco-friendly解析：Certificatesvalidateenvironmentallysafeproducts.7.plasticpollution解析：Excessiveplasticharmswildlifehabitats.8.carbonfootprint解析：Walkingreducesemissionscomparedtodriving.9.biodegradable解析：Thesematerialsdecomposewithoutpollution.10.international解析：Climatechangerequiresglobalcooperation.三、判断题1.正确解析：Sustainabledevelopmentbalanceseconomic,social,andenvironmentalneeds.2.错误解析：Plastictakeshundredsofyearstodecompose.3.正确解析：Publictransportemitsfewergasesthanprivatevehicles.4.错误解析：Certificatesapplytovariouseco-friendlyproducts,notjustcars.5.错误解析：Individualactions,likereducingwaste,contributetochange.6.错误解析：Renewablesourcesaresustainableovertime.7.错误解析：Biodegradablematerialsdecompose;recyclablematerialsarereused.8.错误解析：Communityprojectsfosterlocalenvironmentalawareness.9.错误解析：Theunitaddressesbothglobalandlocalissues.10.错误解析：Waterconservationsavesenergyandreducespollution.四、简答题1.Renewableenergycomesfromnaturalsourcesthatreplenishthemselves(e.g.,solar,wind),whilenon-renewableenergy(e.g.,coal,oil)isfiniteanddepletesovertime.2.Reducingwasteconservesresources,reduceslandfillpollution,andminimizesenergyuseinproductionanddisposal.3.Individualscanreducewastebyusingreusablebags,recycling,andcompostingorganicmaterials.4.Acarbonfootprintmeasurespersonalgreenhousegasemissions;reducingitinvolvesusingenergy-efficientappliances,publictransport,andplantingtrees.五、应用题1.-Installsolarpanels:Reducesrelianceonfossilfuelsandlow