2026学年九年级英语上册第八单元核心考点单元练习含答案及解析

2026学年九年级英语上册第八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.ReducingindustrialproductiontosaveresourcesD.Encouragingtourismtogenerateincome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.Recyclingistooexpensivetobepractical.B.Recyclingcanhelpsolveenvironmentalproblems.C.Recyclingisonlyforrichcountries.D.Recyclingisunnecessarybecausetechnologywillfixit.参考答案：B7.Whatisthebesttitleforthepassage?A.TheBenefitsofPlasticB.WhyWeShouldRecycleC.ADayintheLifeofaPlasticBottleD.TheHistoryofPollution参考答案：B8.Theword"conserve"inthetextmeans:A.UsemoreB.SaveC.ThrowawayD.Buy参考答案：B9.Whichofthefollowingisasuggestiontoreducewaste?A.UsingdisposablecutleryB.BringingreusablebagstothestoreC.ThrowingawayfoodtoavoidwasteD.Buyingproductswithexcessivepackaging参考答案：B10.Thepassagementionsthat:A.Allplasticsareharmfultotheenvironment.B.Recyclingistheonlysolutiontoplasticwaste.C.Someplasticscanbesafelyreused.D.Plasticproductionwillstopinthefuture.参考答案：C---二、填空题（总共10题，每题2分，共20分）1.Toprotecttheenvironment,weshould_______water.2.Thegovernmentisworkingto_______plasticpollution.3._______recyclinghelpsreducelandfillwaste.4.Manyanimalsaredyingbecauseof_______waste.5.Wecan_______energybyturningofflightswhennotinuse.6.A_______isareusablebottlethatkeepsdrinkscoldorhot.7.Thearticlesuggestsusingclothbagsinsteadof_______bags.8._______istheprocessofturningwasteintonewmaterials.9.Tolivesustainably,weneedto_______resources.10.TheEarth'sresourcesare_______andwemustusethemwisely.参考答案：1.save2.solve3.Proper4.plastic5.save6.thermos7.plastic8.Recycling9.conserve10.limited---三、判断题（总共10题，每题2分，共20分）1.Allwasteisharmfultotheenvironment.(×)2.Recyclingcanhelpreducetheamountofwaste.(√)3.Usingdisposableproductsisbetterthanusingreusableones.(×)4.TheEarthhasunlimitedresources.(×)5.Plasticwastecantakehundredsofyearstodecompose.(√)6.Governmentsshouldnotspendmoneyonenvironmentalprotection.(×)7.Treescanhelpreducepollution.(√)8.Itisimpossibletolivesustainablyinmodernsociety.(×)9.Waterconservationmeansusingmorewater.(×)10.Animalsarenotaffectedbyplasticwaste.(×)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.Whatarethreewaystoreducewasteathome?参考答案：-Usereusablebagsinsteadofplasticbags.-Recyclepaper,plastic,andglass.-Avoidbuyingproductswithexcessivepackaging.2.Whyisrecyclingimportant?参考答案：-Itreduceslandfillwaste.-Itsavesnaturalresources.-Ithelpsprotecttheenvironment.3.Whatdoes"sustainabledevelopment"mean?参考答案：-Itmeetstheneedsofthepresentwithoutharmingfuturegenerations.-Itbalanceseconomicgrowth,socialequity,andenvironmentalprotection.---五、应用题（总共2题，每题9分，共18分）1.Supposeyourschoolwantstoreduceplasticwaste.Writethreesuggestionsforhowstudentscanhelp.参考答案：-Suggestion1:Encouragestudentstobringreusablewaterbottlesandlunchcontainersinsteadofusingdisposableones.-Suggestion2:Organizearecyclingprogramwherestudentscansortandrecycleplasticbottles,cans,andpackaging.-Suggestion3:Hostworkshopstoeducatestudentsabouttheimpactofplasticwasteandhowtoreduceit.评分标准：-Eachsuggestion(3points).-Clearexplanationofhowthesuggestionhelps(6points).2.Imagineyouarewritingashortarticleaboutprotectingtheenvironment.Whatwouldyouinclude?参考答案：-Introduction:Explainwhyprotectingtheenvironmentisimportant(e.g.,forfuturegenerations,wildlife,andtheplanet).-MainPoints:-DiscusshowpollutionaffectstheEarth(e.g.,plasticwaste,airpollution).-Suggestactionsindividualscantake(e.g.,recycling,conservingenergy).-Mentiontheroleofgovernmentsandbusinessesinsolvingenvironmentalproblems.-Conclusion:Encouragereaderstotakeactionandmakeadifference.评分标准：-Clearintroduction(3points).-Atleastthreemainpointswithexamples(6points).-Effectiveconclusion(3points).---标准答案及解析一、单选题解析1.B-"Sustainabledevelopment"meansbalancinghumanneedswithenvironmentalprotection.2.C-Plasticwastedoesnotimprovesoilfertility;itharmsit.3.B-"Takeaction"meanstodosomethingimmediatelytosolveaproblem.4.B-Thearticle'spurposeistopersuadereaderstoreducewaste.5.B-"Significant"meansimportant.6.B-Theauthorbelievesrecyclinghelpssolveenvironmentalproblems.7.B-Thebesttitlefocusesonrecyclingasasolution.8.B-"Conserve"meanstosave.9.B-Usingreusablebagsreduceswaste.10.C-Someplasticscanbesafelyreused.二、填空题解析1.save-Toprotecttheenvironment,conservingwaterisessential.2.solve-Governmentsareworkingtosolveplasticpollution.3.Proper-Properrecyclinghelpsreducelandfillwaste.4.plastic-Manyanimalsaredyingbecauseofplasticwaste.5.save-Wecansaveenergybyturningofflightswhennotinuse.6.thermos-Athermosisareusablebottlethatkeepsdrinkscoldorhot.7.plastic-Useclothbagsinsteadofplasticbags.8.Recycling-Recyclingistheprocessofturningwasteintonewmaterials.9.conserve-Tolivesustainably,weneedtoconserveresources.10.limited-TheEarth'sresourcesarelimitedandwemustusethemwisely.三、判断题解析1.×-Notallwasteisharmful;somecanberecycled.2.√-Recyclingreduceswasteandprotectstheenvironment.3.×-Usingreusableproductsisbetterthandisposableones.4.×-TheEarthhaslimitedresources.5.√-Plasticwastetakeshundredsofyearstodecompose.6.×-Governmentsshouldinvestinenvironmentalprotection.7.√-Treesabsorbpollutionandproduceoxygen.8.×-Itispossibletolivesustainablywithproperplanning.9.×-Waterconservationmeansusinglesswater.10.×-Animalsareaffectedbyplasticwaste.四、简答题解析1.Threewa