2026学年九年级英语下册第八单元必背知识点第一次月考含答案及解析

2026学年九年级英语下册第八单元必背知识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：__________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"meanaccordingtothetextbook?A.Rapideconomicgrowthatanycost.B.Balancingeconomicgrowthwithenvironmentalprotection.C.Reducingindustrialproductiontosaveenergy.D.Encouragingmorepeopletousepublictransportation.2.WhichofthefollowingisNOTatypicalproblemcausedbyplasticwaste?A.Pollutionofoceans.B.Blockageofdrainagesystems.C.Improvementofsoilquality.D.Harmtowildlife.3.Thephrase"takeaction"inthepassagemostlikelymeans:A.Waitandsee.B.Dosomethingtosolvetheproblem.C.Ignoretheissue.D.Discusstheproblemwithoutaction.4.Whatisthemainideaofthearticle"ProtectingOurPlanet"?A.Thehistoryofenvironmentalpollution.B.Theimportanceofsustainableliving.C.Thebenefitsofusingsolarenergy.D.Thegovernment'sroleinenvironmentalprotection.5.Theword"threatened"inthetextisclosestinmeaningto:A.Protected.B.Supported.C.Damaged.D.Encouraged.6.Whichsentenceusesthepassivevoice?A.Weshouldreducewaste.B.Thegovernmenthaspassednewlaws.C.Theywillplanttreesnextmonth.D.Sheisreadingabook.7.Whatdoes"renewableenergy"referto?A.Energyfromfossilfuels.B.Energythatcanbeusedagainandagain.C.Energythatisexpensivetoproduce.D.Energythatonlyworksatnight.8.Thesentence"Manypeoplearebecomingmoreenvironmentallyconscious."implies:A.Peopleareignoringenvironmentalissues.B.Peopleareawareofenvironmentalproblems.C.Peoplearenotinterestedinrecycling.D.Peoplearewastingtoomuchenergy.9.Whatisthepurposeofusingadiagraminthetextbook?A.Toshowtheauthor'sfeelings.B.Toexplaincomplexinformationclearly.C.Toadvertiseaproduct.D.Totellastory.10.Thephrase"playarole"inthepassagemeans:A.Havenoinfluence.B.Beresponsibleforsomething.C.Avoiddoingsomething.D.Belazy.参考答案：1.B2.C3.B4.B5.C6.B7.B8.B9.B10.B二、填空题（总共10题，每题2分，共20分）1.Weneedto_______(reduce)plasticusetoprotecttheenvironment.2.Sustainabledevelopmentaimsto_______(balance)economicgrowthandnature.3.Manyanimalsare_______(threatened)bypollution.4.Solarenergyisa_______(renewable)sourceofpower.5.Governmentsshould_______(take)strictmeasurestocontrolpollution.6.Recyclinghelpsto_______(save)naturalresources.7.Thepassagementionsthatmanypeoplearenow_______(becoming)moreenvironmentallyconscious.8.Plasticwastecan_______(block)drainagesystemsandcausefloods.9.Renewableenergy_______(doesnot)produceharmfulgases.10.Weshould_______(reduce)waterconsumptiontoconserveit.参考答案：1.reduce2.balance3.threatened4.renewable5.take6.save7.becoming8.block9.doesnot10.reduce三、判断题（总共10题，每题2分，共20分）1.Sustainabledevelopmentmeansfocusingonlyoneconomicgrowth.(×)2.Plasticbagsarebiodegradableandharmlesstotheenvironment.(×)3.Renewableenergysourcesareinfiniteandwillneverrunout.(√)4.Individualactionscannotmakeadifferenceinenvironmentalprotection.(×)5.Thegovernmentisnotresponsibleforenvironmentalissues.(×)6.Recyclingpaperhelpstosavetrees.(√)7.Sustainablelivingmeanslivingaluxuriouslife.(×)8.Theuseofrenewableenergyreducesairpollution.(√)9.Pollutiondoesnotaffectwildlife.(×)10.Itisunnecessarytoreducewasteathome.(×)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.Whatarethreewaystopracticesustainableliving?参考答案：-Reducewaste(e.g.,usereusablebags).-Recyclematerials(e.g.,paper,plastic).-Saveenergy(e.g.,turnofflightswhennotinuse).2.Whyisprotectingwildlifeimportant?参考答案：-Wildlifemaintainsecologicalbalance.-Manyspeciesprovideresourcesforhumans(e.g.,medicine).-Losingwildlifecanleadtohabitatdestruction.3.Whatdoes"environmentallyconscious"mean?参考答案：-Beingawareofenvironmentalproblems.-Takingactionstoprotecttheenvironment.-Makingchoicesthatreduceharmtonature.五、应用题（总共2题，每题9分，共18分）1.Supposeyourschoolwantstobecomemoreenvironmentallyfriendly.Suggestthreespecificactionstheschoolcouldtakeandexplainwhyeachactionisimportant.参考答案：-Action1:Installsolarpanelsontheschoolroof.Explanation:Solarenergyisrenewableandreduceselectricitybills,loweringcarbonemissions.-Action2:Startarecyclingprogramforpaper,plastic,andglass.Explanation:Recyclingsavesnaturalresourcesandreduceslandfillwaste.-Action3:Organizetree-plantingdays.Explanation:TreesabsorbCO₂andimproveairquality,supportingbiodiversity.2.Imagineyouarewritingashortparagraphabouttheimportanceofreducingplasticwaste.Useatleastthreephrasesfromthetextbook(e.g.,"sustainabledevelopment,""threatenedwildlife,""takeaction").参考答案：Plasticwasteisamajorenvironmentalissuebecauseitharms"threatenedwildlife"anddisrupts"sustainabledevelopment."Toaddressthis,wemust"takeaction"byreducingplasticuse,recycling,andspreadingawareness.Everysmallstephelpsprotectourplanet.标准答案及解析一、单选题解析1.B.Thetextbookdefinessustainabledevelopmentasbalancinggrowthwithenvironmentalprotection.2.C.Plasticwasteimprovessoilqualitybydecomposingslowly,unlikeotheroptions.3.B."Takeaction"meansactivelysolvingproblems,notjustdiscussingthem.4.B.Thearticlefocusesontheneedforsustainableliving,notjustgovernmentroles.5.C."Threatened"meansdamagedorendangered,similarto"damaged."6.B."Thegovernmenthaspassednewlaws"usespassivevoice(government+pastparticiple).7.B.Renewableenergyincludessolar,wind,etc.,whichcanbeusedrepeatedly.8.B."Environmentallyconscious"meansbeingawareofenvironmentalissues.9.B.Diagramshelpexplaincomplexideasvisually.10.B."Playarole"meansbeingresponsibleforsomething.二、填空题解析1.reduce.Reducingmeansdecreasingusage.2.balance.Sustainabledevelopmentbalanceseconomyandnature.3.threatened.Pollutionthreatensanimals'survival.4.renewable.Solarenergyisnotfinite.5.take.Takingactionmeansimplementingmeasures.6.save.Recyclingsavesresourcesliketrees.7.becoming.Peoplearegraduallybecomingmoreaware.8.block.Plasticblocksdrains,causingfloods.9.doesnot.Renewableenergyhaslowemissions.10.reduce.Reducingwatersavesthispreciousresource.三、判断题解析1.×.Sustainabledevelopmentconsidersbotheconomyandenvironment.2.×.Plasticbagsarenon-biodegradableandharmful.3.√.Renewableenergysourcesarenaturallyreplenished.4.×.Smallactions,likereducingwaste,makeabigdifference.5.×.Governmentsmustaddressenvironmentalissues.6.√.Recyclingpapersavestrees.7.×.Sustainablelivingmeansbeingeco-friendly,notluxurious.8.√.Renewableenergyreducespollution.9.×.Pollutionharmswildlifeandecosystems.10.×.Reducingwasteathomeisessential.四、简答题解析1.Threewaystopracticesustainableliving:-Usereusablebagsinsteadofsingle-useplastics.-Recyclepaper,plastic,andglasstosaveresources.-Saveelectricitybyturningofflightsandusingenergy-efficientbulbs.2.Whyprotectingwildlifeisimportant:-Wildlifemaintainsecologicalbalance(e.g.,predatorscontrolpreypopulations).-Manymedicinesarederivedfromplantsandanimals.-Losingwildli