2026学年九年级英语下册第五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五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"meanaccordingtothepassage?A.Rapideconomicgrowthatanycost.B.Balancingeconomicgrowthwithenvironmentalprotection.C.Reducingindustrialproductiontosaveenergy.D.Encouragingmorepeopletousepublictransportation.2.WhichofthefollowingisNOTatypicalproblemcausedbyplasticwaste?A.Pollutionofoceans.B.Blockageofdrainagesystems.C.Improvementofsoilquality.D.Harmtowildlife.3.Theword"mitigate"inthetextisclosestinmeaningto:A.Increase.B.Reduce.C.Ignore.D.Delay.4.Whatisthemainpurposeofthearticle"ProtectingOurPlanet"?A.Toadvertiseelectriccars.B.Topersuadereaderstoreducewaste.C.Todescribethebenefitsofrecycling.D.Toexplainhowtostartabusiness.5.Thephrase"agrowingconcern"inthepassagesuggests:A.Asmallnumberofpeopleworryaboutit.B.Moreandmorepeopleareworriedaboutit.C.Theproblemisnotseriousyet.D.Theproblemwilldisappearsoon.6.Whichsentencebestdescribestheideaof"renewableenergy"?A.Energythatcomesfromfossilfuels.B.Energythatcanbeusedonlyonce.C.Energythatwillneverrunout.D.Energythatisexpensivetoproduce.7.Whatistheauthor'sattitudetowardusingreusablebags?A.Uncertain.B.Negative.C.Supportive.D.Indifferent.8.Theword"conservation"inthetextrefersto:A.Wastingresources.B.Protectingnaturalresources.C.Increasingproduction.D.Usingmoretechnology.9.Whichofthefollowingisagoodexampleofsustainableliving?A.Buyinganewsmartphoneeveryyear.B.Usingsolarpanelsforhomeelectricity.C.Throwingawayfoodafteronemeal.D.Drivingacareverytimeyougoshopping.10.Thepassagesuggeststhatindividualscanhelptheenvironmentby:A.Ignoringsmallactionslikeusingaplasticbag.B.Participatingincommunityclean-upevents.C.Focusingonlyonbigcompanies'actions.D.Avoidingallmoderntechnologies.参考答案：1.B2.C3.B4.B5.B6.C7.C8.B9.B10.B二、填空题（总共10题，每题2分，共20分）11.Toreduce__________,peopleshouldusereusablebottlesinsteadofbuyingplasticones.12.Thegovernmentistryingto__________pollutionbyencouragingelectricvehicles.13.Recyclinghelpsto__________theamountofwastesenttolandfills.14.A__________isadevicethatconvertssunlightintoelectricity.15.Manyanimalsareindangerbecauseof__________andhabitatloss.16.Thearticlementionsthat__________isakeypartofsustainabledevelopment.17.To__________energy,turningofflightswhennotinuseisasimplestep.18.Thephrase"takeaction"meansto__________somethingtosolveaproblem.19.__________isthepracticeofusingnaturalresourcesinawaythatdoesnotharmtheenvironment.20.Thepassageemphasizestheimportanceof__________individualresponsibilityinprotectingtheplanet.参考答案：11.plasticwaste12.reduce13.reduce14.solarpanel15.pollution16.renewableenergy17.save18.do19.conservation20.taking三、判断题（总共10题，每题2分，共20分）21.Usingpaperbagsisbetterthanusingplasticbagsbecausepaperisbiodegradable.(×)22.Renewableenergysourceswilleventuallyrunoutifweusethemtoomuch.(×)23.Individualactionshavenoimpactonglobalenvironmentalproblems.(×)24.Recyclingcanhelpreducetheneedfornewmaterials.(√)25.Thepassagesuggeststhattechnologycannothelpsolveenvironmentalissues.(×)26.Sustainabledevelopmentfocusesonlyoneconomicgrowth.(×)27.Plasticwastecanbeharmfultomarinelife.(√)28.Thegovernmentdoesnotplayaroleinenvironmentalprotection.(×)29.Usingreusablecontainerscanhelpreducewaste.(√)30.Thearticledoesnotmentiontheimportanceofeducationinenvironmentalprotection.(×)参考答案：21.×22.×23.×24.√25.×26.×27.√28.×29.√30.×四、简答题（总共3题，每题4分，共12分）31.Whatarethreewayspeoplecanreducewasteathome?参考答案：-Usereusablebags,bottles,andcontainers.-Recyclepaper,plastic,andmetal.-Avoidbuyingunnecessaryproducts.32.Whyisrenewableenergyimportantfortheenvironment?参考答案：-Itdoesnotproducepollution.-Itwillneverrunout.-Ithelpsreducerelianceonfossilfuels.33.Whatdoes"habitatloss"mean,andhowcanitbeprevented?参考答案：-Habitatlossmeansdestroyingordamagingnaturalenvironmentswhereanimalslive.-Itcanbepreventedbyprotectingforests,reducingpollution,andbuildingwildlifereserves.五、应用题（总共2题，每题9分，共18分）34.Supposeyourschoolisorganizinganenvironmentalweek.Writeashortparagraph(5-7sentences)suggestingthreeactivitiesthatcanhelpstudentslearnaboutsustainability.参考答案：-First,studentscanparticipateinarecyclingcompetitiontoseewhichclasscancollectthemostwaste.-Second,aguestspeakercantalkaboutrenewableenergyanditsbenefits.-Finally,studentscanplanttreesintheschoolgardentolearnaboutnatureconservation.35.Imagineyouarewritingalettertoyourlocalgovernmentaboutplasticpollution.Whatwouldyousuggesttheydotosolvetheproblem?Writeaparagraph(5-7sentences).参考答案：-Isuggestthegovernmentbanssingle-useplasticslikestrawsandcutlery.-Theyshouldalsoinvestinmorerecyclingfacilitiestomakeiteasierforpeopletorecycle.-Additionally,thegovernmentcanlaunchpublicawarenesscampaignstoeducatecitizensabouttheimpactofplasticwaste.标准答案及解析一、单选题解析1.B-Sustainabledevelopmentbalanceseconomicgrowthwithenvironmentalprotection.2.C-Plasticwastedoesnotimprovesoilquality;itpollutesit.3.B-"Mitigate"meanstoreduceorlessen.4.B-Thearticleaimstopersuadereaderstoreducewaste.5.B-"Growingconcern"impliesincreasingworry.6.C-Renewableenergyneverrunsout(e.g.,solar,wind).7.C-Theauthorsupportsreusablebags.8.B-"Conservation"meansprotectingresources.9.B-Solarpanelsaresustainable.10.B-Communityclean-upshelptheenvironment.二、填空题解析11.plasticwaste-Reusablebottlesreplacedisposableones.12.reduce-Electricvehiclescutemissions.13.reduce-Recyclinglowerslandfillwaste.14.solarpanel-Convertssunlighttoelectricity.15.pollution-Pollutionharmswildlife.16.renewableenergy-It'skeytosustainability.17.save-Turningofflightssavesenergy.18.do-"Takeaction"meanssolvingproblems.19.conservation-Protectingresourceswithoutharmingthem.20.taking-Individualresponsibilitymatters.三、判断题解析21.×-Paperbagsrequiremoreresourcestoproduce.22.×-Renewableenergyislimitless.23.×-Smallactionsadduptobigchanges.24.√-Recyclingreducesnewmaterialneeds.25.×-Technologycanhelp(e.g.,solarpanels).26.×-Sustainabledevelo