2025-2026年天津市人教版初中九年级英语下册第4单元同步练习题

2025-2026年天津市人教版初中九年级英语下册第4单元同步练习题一、单选题（总共10题，每题2分，共20分）1.根据第4单元课文内容，Whatdoesthepassagemainlytalkabout?A.Theimportanceofprotectingendangeredanimals.B.Thebenefitsoflearningasecondlanguage.C.Thereasonswhypeoplemigratetobigcities.D.Thedifferencesbetweentraditionalandmoderneducation.解析：本题考查单元主题理解。第4单元课文主要围绕“环境保护与可持续发展”展开，列举了多种濒危动物面临的威胁及保护措施。选项A与课文内容完全吻合，B、C、D分别涉及语言学习、城市迁移、教育对比等非单元主题内容，故选A。2.Inthepassage"TheGreatBarrierReef,"theauthorusesthesentence"It'slikeacolorfulunderwaterworld."Whatisthemainpurposeofthissentence?A.Todescribethesizeofthereef.B.Toemphasizethebeautyofthereef.C.Toexplainhowthereefwasformed.D.Tocomparethereefwithotheroceans.解析：本题考查修辞手法理解。文中该句通过比喻生动描绘了珊瑚礁的绚丽多彩，属于描写性语言，故B正确。A（大小）、C（形成过程）、D（与其他海洋对比）均与句意无关。3.Accordingtothearticle"PlasticPollutioninOceans,"whichofthefollowingisNOTmentionedasasolutiontoreduceplasticwaste?A.Usingbiodegradablebagsinsteadofplasticbags.B.Recyclingplasticbottlesintonewproducts.C.Encouragingpeopletoeatmoreseafood.D.Reducingtheproductionofsingle-useplastics.解析：本题考查细节信息筛选。文中明确提到A（可降解袋）、B（塑料瓶回收）、D（减少一次性塑料生产）均为解决方案，而C（鼓励吃海鲜）与塑料污染无关，故选C。4.InthedialoguebetweenLiMingandhisfriend,LiMingsays,"Ithinkweshouldplantmoretreesinourcommunity."WhatdoesthissentencerevealaboutLiMing?A.Heisacityplanner.B.Hecaresabouttheenvironment.C.Hedislikeslivinginthecommunity.D.Heisaprofessionalgardener.解析：本题考查人物性格分析。根据单元主题，LiMing的提议体现了对环境保护的关注，属于环保行动，故B正确。A（城市规划师）、C（讨厌社区）、D（园艺师）均与文意不符。5.Thepassage"SavingEnergyatHome"mentions,"Turningofflightswhenleavingaroomcansavealotofelectricity."Whatistheauthortryingtoconvey?A.Peopleshouldbuymoreenergy-efficientbulbs.B.It'simportanttoconserveelectricity.C.Roomsshouldbekeptdarktosavemoney.D.Electricityismoreexpensiveintheevening.解析：本题考查段落主旨。该句强调随手关灯的节能意义，属于环保行为建议，故B正确。A（购买节能灯）、C（保持黑暗）、D（电价差异）均与句意无关。6.Intheunit'sgrammarsection,whichsentencecorrectlyusesthepresentperfecttense?A.Shehaseatenbreakfastat7:00thismorning.B.Theywenttotheparkyesterday.C.Hewillfinishhishomeworksoon.D.Wehavelivedhereforthreeyears.解析：本题考查时态辨析。A（7:00是具体时间，应用一般过去时）、B（一般过去时）、C（一般将来时）、D（现在完成时，强调持续状态），故D正确。7.Thearticle"TheImportanceofPublicTransportation"states,"Busesandsubwayshelpreducetrafficjams."Whatdoesthissentencesuggest?A.Publictransportisexpensive.B.Itimprovesurbanliving.C.Busesareslowerthansubways.D.Trafficjamsarecausedbysubways.解析：本题考查逻辑推理。该句说明公共交通缓解交通拥堵，间接体现其城市价值，故B正确。A（价格）、C（速度对比）、D（因果关系）均与句意无关。8.Inthereadingpassage"ProtectingtheAmazonRainforest,"theauthorasks,"Whatcanwedotohelp?"Thisquestionserveswhatpurpose?A.Tointroduceanewtopic.B.Toengagethereaderinthinking.C.Toprovidealistofsolutions.D.Todescribetherainforest'sbeauty.解析：本题考查阅读目的分析。设问句通常引导读者思考，故B正确。A（引入新主题）、C（给出方案）、D（描述美景）均与设问功能不符。9.Theunit'swritingtaskasksstudentstowriteashortessayabout"MyPlantoSavetheEnvironment."Whichsentenceisthebestopeningsentence?A."Iliketoplaybasketballafterschool."B."Manypeoplethrowtrasheverywhere."C."Protectingtheplanetiseveryone'sresponsibility."D."Theskyisbluetoday."解析：本题考查写作技巧。C句点明环保主题，适合作为议论文开头，故C正确。A（个人爱好）、B（问题陈述）、D（天气描述）均与写作要求无关。10.Thepassage"TheRoleofVolunteers"mentions,"Volunteerscleanbeachesandplanttrees."Whatdoesthisrevealaboutvolunteering?A.Itisapaidjob.B.Ithelpsthecommunity.C.Volunteersdonotneedtraining.D.Volunteersonlyworkincities.解析：本题考查信息推断。该句说明志愿者参与环保行动，体现其社会价值，故B正确。A（有偿工作）、C（无需培训）、D（仅限城市）均与文意不符。二、填空题（总共10题，每题2分，共20分）1.Thepassage"EndangeredAnimals"says,"Manyspeciesareindangerbecauseof________andpollution."解析：根据单元主题，此处应填"deforestation"（森林砍伐），故填空为"deforestation"。2.Inthedialogue,WangTaoasks,"Haveyou________thenewrecyclingrulesinourschool?"解析：此处考查现在完成时，询问对方是否了解新规定，故填"heardof"。3.Thearticle"EnergyConservation"states,"Turningoffthecomputer________savesenergy."解析：此处需填动词原形作宾语，故填"cansave"。4.Thepassagementions,"TheGreatBarrierReefisabout________kilometerslong."解析：根据课文数据，珊瑚礁长度约为2,300公里，故填"2,300"。5.Intheunit'sgrammarsection,studentslearntousethestructure"too...to..."toexpress________.解析：该结构表示“太…以至于不能…”，故填"toodifficulttodo"。6.Thearticle"PlasticPollution"says,"Weshoulduse________insteadofplasticbags."解析：环保主题下，可替代塑料袋的是"clothbags"（布袋），故填"clothbags"。7.Thepassage"SavingWater"mentions,"Leavingthetaprunningwastes________."解析：此处指浪费水资源，故填"water"。8.Inthedialogue,LiHuasays,"I________plantingtreeslastweekend."解析：根据上下文，此处描述过去发生的活动，故填"wentto"。9.Thearticle"PublicTransportation"states,"Takingthesubwayis________thandrivingacar."解析：此处需填形容词比较级，表示“更经济”，故填"cheaper"。10.Thepassage"Volunteers"says,"Volunteeringmakespeoplefeel________."解析：参与志愿活动能带来成就感，故填"happy"或"fulfilled"。三、判断题（总共10题，每题2分，共20分）1.Thepassage"TheGreatBarrierReef"mentionsthatthereefisindangerbecauseofclimatechange.(正确)解析：文中明确指出全球变暖导致珊瑚白化，故正确。2.Accordingtothearticle"PlasticPollution,"allplasticwastecanberecycled.(错误)解析：文中提到并非所有塑料都能回收，故错误。3.ThedialoguebetweenLiMingandhisfriendshowsthatLiMingdislikeshiscommunity.(错误)解析：LiMing提议改善环境，体现其关心社区，故错误。4.Thepassage"EnergyConservation"suggeststhatusingmorelightssaveselectricity.(错误)解析：文中强调节约用电，故错误。5.Thearticle"ProtectingtheAmazonRainforest"statesthattherainforesthasnoanimals.(错误)解析：文中强调雨林生物多样性，故错误。6.Theunit'sgrammarsectionteachestheuseofthepresentperfecttenseforactionsfinishedinthepast.(错误)解析：现在完成时强调过去动作对现在的影响，故错误。7.Thepassage"TheImportanceofPublicTransportation"saysthatbusesarefasterthansubways.(错误)解析：文中未比较速度，故错误。8.Thearticle"Volunteers"mentionsthatvolunteeringisonlyforadults.(错误)解析：文中未限制年龄，故错误。9.Thepassage"SavingWater"statesthatwaterisnotimportantforlife.(错误)解析：文中强调水资源珍贵，故错误。10.ThedialoguebetweenWangTaoandLiHuashowsthatWangTaodoesnotcareabouttheenvironment.(错误)解析：WangTao询问环保政策，体现其关注，故错误。四、简答题（总共4题，每题4分，共16分）1.Accordingtothepassage"TheGreatBarrierReef,"whatarethemainthreatstothereef?参考答案：-Climatechange（全球变暖）导致海水温度升高，珊瑚白化。-Pollution（污染）包括化学物质和塑料垃圾，破坏海洋生态。-Overfishing（过度捕捞）破坏食物链平衡。解析：本题考查细节归纳。文中明确列举了以上三点威胁，需分点作答。2.Inthearticle"PlasticPollution,"theauthorsuggeststhreesolutionstoreduceplasticwaste.Whatarethey?参考答案：-Usereusablebagsinsteadofplasticbags.-Recycleplasticproductsproperly.-Supportbusinessesthatuseeco-friendlymaterials.解析：本题考查解决方案总结。文中应明确列出三个具体措施。3.Theunit'sgrammarsectionteachesthestructure"too...to...".Giveanexamplesentenceusingthisstructure.参考答案：-Thebabyistooyoungtowalkbyhimself.解析：需写出符合结构的完整句子，并说明其含义（太…以至于不能…）。4.Whyispublictransportationimportantforcities?参考答案：-Reducestrafficjamsandairpollution.-Savestimeandmoneyforcommuters.-Promotesenvironmentalsustainability.解析：需从交通、经济、环保角度说明其重要性。五、应用题（总共4题，每题6分，共24分）1.Writeashortparagraph(5-6sentences)abouthowyoucanhelpprotecttheenvironmentathome.参考答案：-First,Icansavewaterbyturningoffthetapwhennotinuse.-Second,Ishouldrecyclepaper,plastic,andglass.-Third,IcanuseLEDbulbsinsteadofincandescentones.-Additionally,Iavoidbuyingproductswithexcessivepackaging.-Finally,Iparticipateinlocalclean-upactivities.解析：需围绕环保主题，写出具体可行的家庭行动，每点扣1分，共6分。2.Readthefollowingdialogueandanswerthequestion:LiHua:"Didyouseethenewsaboutthepollutedriveryesterday?"WangTao:"Yes,it'sterrible.Whatcanwedo?"LiHua:"Wecanorganizeavolunteercleanup."WangTao:"That'sagreatidea!Howcanwestart?"-Whatproblemdoesthedialoguediscuss?参考答案：-Thepollutedriver.解析：需准确概括对话核心问题，扣1分。3.Writeashortemail(6-8sentences)toyourschoolprincipalsuggestingwaystosaveenergy.参考答案：-DearPrincipal,Iamwritingtosuggestwaystosaveenergyinourschool.First,wecouldinstallsolarpanelsontheroof.Second,lightsshouldbeturnedoffaft