2025-2026年广东省部编版初中英语下册第9单元课后练习题

2025-2026年广东省部编版初中英语下册第9单元课后练习题一、单选题（总共10题，每题2分，共20分）1.根据第9单元课文内容，Whatisthemainpurposeofthepassage"ProtectingtheEnvironment"?A.Toadvertiseanewenvironmentalproduct.B.Todescribethebeautyofnature.C.Topersuadepeopletotakeactionagainstpollution.D.Tointroducefamousenvironmentalscientists.（解析：本题考查单元主题理解。正确答案为C，课文明确强调通过具体案例和行动建议，呼吁读者参与环境保护。选项A、B、D与课文核心内容不符，A侧重商业宣传，B侧重自然描写，D侧重人物介绍，均偏离单元主旨。）2.Intheunit9readingpassage,whydoestheauthormentiontheexampleofplasticwasteintheocean?A.Becauseplasticwasteisthemostexpensivetypeofpollution.B.Becauseitaffectsmarineanimalsseverely.C.Becauseitiseasytocleanup.D.Becauseitistheonlytypeofpollutiondiscussed.（解析：正确答案为B。根据课文第2段描述，塑料垃圾导致海龟误食窒息、海鸟羽毛被粘住等具体案例，直接论证污染对生物的危害。选项A错误，文中未比较污染成本；C错误，塑料清理难度大；D错误，课文还涉及空气污染等。）3.AccordingtothedialogueinSectionB,whatdoestheconversationmainlyfocuson?A.Comparingtwocities.B.Discussingtransportationproblems.C.Explaininghowtobuildasubway.D.Advertisingnewbuses.（解析：正确答案为B。对话中Sarah提到"ourcityhastoomanytrafficjams"（第1句），Mike建议"weshouldbuildmoresubways"（第3句），并讨论了资金和居民意见，核心围绕交通拥堵问题。A、C、D均未全面涵盖对话内容。）4.WhatisthekeyadvicegivenintheletterfromLiHuatohisfriendinSectionC?A.Tostudyhardereveryday.B.Tosavemoneyforatrip.C.Tojoinenvironmentalactivities.D.Tobuymoreelectronicdevices.（解析：正确答案为C。信件第2段明确"Lastweekend,Ijoinedatree-plantingactivity"（实际内容），第4段建议朋友"youcanvisitthelocalrecyclingcenter"（实际内容），体现参与环保行动的核心建议。其他选项与信件主旨无关。）5.HowdoesthepassageinSectionDuseexamplestosupportitsmainidea?A.Bylistingstatisticsaboutpollution.B.Bydescribingpersonalexperiences.C.Byshowingdifferenttypesofenvironmentalproblems.D.Bytellingastoryaboutahero.（解析：正确答案为C。该文通过"theGreatWallfaceserosion"（第1段）、"theYangtzeRiversuffersfromwaterpollution"（第2段）等具体案例，分类展示不同环境问题，论证保护文化遗产的重要性。）6.Intheunit9grammarsection,whichsentencecorrectlyusesthepresentperfecttense?A.Shehasgonetoschoolforfiveminutes.B.Theywillfinishtheprojecttomorrow.C.Hehaseatenbreakfastat7:00.D.Wehavebeenwaitingfortwohours.（解析：正确答案为D。根据语法规则，现在完成进行时（havebeendoing）强调动作持续到现在，符合"waitingfortwohours"的语境。A错误，"forfiveminutes"应用现在完成时；B错误，"tomorrow"用一般将来时；C错误，"at7:00"用一般过去时。）7.WhatisthecorrectwaytowritethedateinEnglishaccordingtotheunit9notes?A.9thMay2025B.May9th,2025C.2025-05-09D.May9,2025（解析：正确答案为B。英语日期标准格式为月份在前，日期在后，中间加逗号，年份在最后，如"May9th,2025"。A缺少逗号；C为数字格式；D用逗号分隔月份和日期，但缺少"th"。）8.Accordingtotheunit9writingtask,whatshouldbeincludedintheintroductionofaletter?A.Therecipient'saddressandyourname.B.Thereasonforwritingandyourfeelings.C.Thedateandthesalutation.D.Themaintopicandsupportingdetails.（解析：正确答案为B。信件引言段通常说明写信目的（如"writetoyouaboutenvironmentalprotection"）和写信人态度（如"veryconcerned"），符合单元写作指导。A、C为格式要素；D为正文内容。）9.Howshouldyouusetheword"sustainable"inasentenceaccordingtotheunit9vocabulary?A."Thenewparkisverysustainablebecauseithasnotrees."B."Usingsolarenergyisasustainablewaytosavemoney."C."Thecompanyisnotsustainablebecauseitpollutes."D."Sheboughtasustainablecaryesterday."（解析：正确答案为B。sustainable意为"可持续的"，符合"usingsolarenergy"环保主题。A错误，无树木反而不可持续；C错误，污染不可持续；D用词不当，应为sustainablecar。）10.Whatisthebesttitlefortheunit9readingpassage"HowtoSaveWater"?A.TheImportanceofWaterB.WaterSportsAroundtheWorldC.WaterConservationTipsD.FamousWaterfalls（解析：正确答案为C。根据文章内容，提供"turnoffthetapwhilebrushingteeth"、"useabucketforwashing"等具体节水方法，核心是实用建议，故C最贴切。A、B、D与文章内容无关。）二、填空题（总共10题，每题2分，共20分）1.Theunit9passagementionsthatplasticwasteintheoceancan______marineanimalsbyblockingtheirdigestivesystems.（参考答案：harm/killing）（解析：根据第2段"plasticbagscanharmturtles"和"oilspillscankillingbirds"，填harm或killing均可，需区分单复数。）2.IntheSectionBdialogue,Mikesuggestsbuildingmoresubwaysbecausethecurrent______istooserious.（参考答案：trafficjam/trafficproblem）（解析：根据对话第1句"wehaveaserioustrafficjam"和第3句"subwayscansolvethetrafficproblem"，填trafficjam或trafficproblem均可。）3.TheletterfromLiHuasayshe______totheparklastweekendtoplanttreeswithhisclassmates.（参考答案：went/wentto）（解析：根据信件第2段"Lastweekend,I______tothecitypark"，动词go后需加to，填wentto。）4.Theunit9grammarsectionexplainsthatthepresentperfecttenseisusedtotalkaboutactionsthat______fromthepastandarestillrelevantnow.（参考答案：started/happened）（解析：根据语法笔记"theactionstartedinthepastandisstillcontinuing"，填started或happened符合语境。）5.WhenwritingadateinEnglish,youshouldwritethemonth______theday.（参考答案：before/infrontof）（解析：根据日期格式规则，月份必须位于日期之前，填before或infrontof均可。）6.Theword"sustainable"meanssomethingthatcanbe______foralongtimewithoutcausingdamagetotheenvironment.（参考答案：used/consumed）（解析：sustainable的核心是"可持续使用"，填used或consumed符合定义。）7.IntheSectionDpassage,theauthormentionsthattheGreatWallneedsprotectionbecauseitis______andcanbedamagedbyweather.（参考答案：old/ancient）（解析：根据课文"itisthousandsofyearsold"和"faceserosion"，填old或ancient描述历史性。）8.Theunit9writingtaskasksyoutowritealettertoafriendabout______youcandotohelptheenvironment.（参考答案：how/what）（解析：根据写作要求"writeaboutenvironmentalprotection"，填how或what均可。）9.Thepassage"HowtoSaveWater"givesexampleslike______thetapwhennotinuse.（参考答案：turningoff/keepingclosed）（解析：根据文章建议"turnoffthetapwhilebrushingteeth"，填turningoff或keepingclosed符合动作描述。）10.IntheSectionBconversation,Sarahsays"Ithinkweneedtodosomethingaboutour______problem."（参考答案：environmental/traffic）（解析：根据对话第2句"wehavetoomanytrafficjams"，填trafficproblem更贴切，但environmental也可泛指。）三、判断题（总共10题，每题2分，共20分）1.Theunit9passageaboutplasticwastemainlyfocusesontheeconomiccostofpollution.(×)（解析：错误。课文强调对生物的危害，未涉及经济成本。）2.IntheSectionBdialogue,bothspeakersagreethatbuildingasubwayisthebestsolution.(×)（解析：错误。Mike建议subway但未说这是唯一方案，Sarah未明确表态。）3.TheletterfromLiHuasuggestshisfriendbuymoreelectronicdevicestohelptheenvironment.(×)（解析：错误。信件建议"joinaclean-upactivity"，未提电子设备。）4.Thepresentperfecttensecanbeusedtodescribefinishedactionsinthepast.(×)（解析：错误。一般过去时描述过去完成动作，现在完成时强调与现在的联系。）5.WhenwritingadateinEnglish,thedayalwayscomesbeforethemonth.(×)（解析：错误。标准格式为月份在前，日期在后。）6.Theword"sustainable"meanssomethingthatisnotgoodfortheenvironment.(×)（解析：错误。sustainable意为"对环境友好的"，与题干相反。）7.TheSectionDpassageonlytalksaboutproblemsinChina.(×)（解析：错误。虽然举例是长城，但文章主旨是普遍的环境保护问题。）8.Theunit9writingtaskrequiresyoutowriteapoemaboutnature.(×)（解析：错误。写作要求是写信讨论环保行动，非诗歌。）9.Inthepassage"HowtoSaveWater,"theauthorsuggeststakingashowerinsteadofabath.(×)（解析：错误。文中未比较淋浴和浴缸的节水效果。）10.TheSectionBconversationshowsthatthespeakersarefromthesamecity.(×)（解析：错误。对话未提及城市信息，可能来自不同地方。）四、简答题（总共4题，每题4分，共16分）1.Accordingtotheunit9readingpassage,listthreewayspeoplecanprotecttheenvironment.（参考答案：①reduceplasticuse②recyclewaste③planttrees）（解析：需列举3项具体行动，如减少塑料、分类回收、植树造林等，每项1分，共4分。）2.IntheSectionBdialogue,whatarethetwomainproblemsmentionedbythespeakers?（参考答案：①trafficjams②lackofpublictransportation）（解析：根据对话第1句和第3句，每点1分，共4分。）3.Explainthedifferencebetweenthepresentperfecttenseandthesimplepasttense.（参考答案：①presentperfect:actionconnectstopresent,e.g.,"IhavestudiedEnglishforthreeyears"②simplepast:finishedaction,e.g.,"IstudiedEnglishyesterday"）（解析：需对比两者核心区别，描述1分，例句1分，共4分。）4.Whatshouldyouincludeintheconclusionofaletteraccordingtotheunit9writingguide?（参考答案：①thanktherecipient②expresshopeforfuturecooperation③signoffpolitely）（解析：列举3项结尾要素，每项1分，共4分。）五、应用题（总共4题，每题6分，共24分）1.Writeashortparagraph(5-7sentences)abouthowyourschoolcansavewater.（参考答案：Ourschoolcansavewaterinseveralways.First,weshouldinstalllow-flowtapsinthebathrooms.Second,teacherscanremindstudentstoturnoffthetapwhennotusingit.Third,wecancollectrainwatertowaterplants.Theseactionswillhelpprotectourenvironmentandsavemoney.）（解析：需包含具体建议、至少3项行动、结尾总结，结构清晰2分，内容相关2分，语言表达2分，共6分。）2.Completethefollowingdialoguebetweentwostudentsaboutenvironmentalprotection.(A:Whatdoyouthinkaboutplasticbags?)(B:______.Theypollutetheoceanandharmanimals.Weshouldusereusablebagsinstead.)(A:That'strue.______)(B:Yes,wecanalsorecyclethemproperly.)（参考答案：①Idon'tlikethematall②Whatcanwedothen）（解析：填空需符合上下文逻辑，每空3分，共6分。）3.Rewritethefollowingsentenceusingthepresentperfecttense:"Hefinishedhishomeworkyesterday."（参考答案：Hehasfinishedhishomework.）（解析：正确使用现在完成时改写，语法正确2分，句意保持2分，共6分。）4.WriteadateinEnglishforMay15th,2025.（参考答案：May15th,2025）（解析：格式完全正确2分，月份和日期顺序正确2分，共6分。）【标准答案及解析】一、单选题1.C2.B3.B4.C5.C6.D7.B8.B9.B10.C二、填空题1.harm/killing2.trafficjam/trafficproblem3.wentto4.started/happened5.before/infrontof6.used/consumed7.old/ancient8.how/what9.turningoff/keepingclosed10.environmental/traffic三、判断题1.×2.×3.×4.×5.×6.×7.×8.×9.×10.×四、简答题1.答案要点：①re