2025-2026年陕西省人教版初中英语八年级下册第4单元同步练习题

2025-2026年陕西省人教版初中英语八年级下册第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.Howpeoplecanhelpsavetheenvironment.C.Thereasonswhysomeanimalsareindanger.D.Thedifferencesbetweencitylifeandcountrylife.解析：本题考查单元主题。第4单元围绕环境保护展开，重点讨论人类活动对生态环境的影响及保护措施。选项A仅涉及动物保护，选项C仅涉及动物濒危原因，选项D涉及城市与乡村对比，均与单元主题不符。选项B准确概括了课文核心内容，即人类如何通过实际行动保护环境，如垃圾分类、节约资源等。正确答案为B。2.Inthepassage"ProtectOurPlanet,"whichsentencebestdescribestheauthor'sattitudetowardenvironmentalproblems?A."Manypeopledon'tcareabouttheenvironment."B."Weshouldblamegovernmentsforallthepollution."C."Ifeveryonedoessmallthings,wecanmakeabigchange."D."Protectingtheenvironmentistoodifficultforordinarypeople."解析：本题考查作者观点态度。选项A是客观陈述，非作者态度；选项B过于片面，课文强调个人责任；选项D与课文主旨相反，课文鼓励人人参与。选项C体现了单元核心思想——个人行动的力量，如"Everylittlebithelps"（积少成多），与课文观点一致。正确答案为C。3.Accordingtothereadingpassage,whichofthefollowingisNOTacommonenvironmentalprobleminmanycities?A.Toomuchplasticwaste.B.Toomanytreesbeingcutdown.C.Toomuchnoisepollution.D.Toomanypeopleusingpublictransportation.解析：本题考查细节理解。选项A（塑料垃圾）、B（砍伐树木）、C（噪音污染）均为课文提及的城市环境问题。选项D（公共交通使用）与课文主旨相反，课文建议增加公共交通使用而非减少。正确答案为D。4.Thepassageusestheexampleof"turningofflightswhenleavingaroom"toshowthat:A.It'sunnecessarytosaveelectricity.B.Smallactionscanhelpprotecttheenvironment.C.Governmentsshouldcontrolelectricityusage.D.Onlyrichcountriescanaffordtosaveenergy.解析：本题考查文本例证作用。课文通过"关灯"这一日常行为说明环保需从细节做起，体现"积少成多"理念。选项B准确概括了例证目的，其他选项与课文逻辑不符。正确答案为B。5.Whatisthebesttitleforthepassage"HowtoSaveWater"?A.TheHistoryofWaterUsage.B.TheImportanceofWaterConservation.C.DifferentKindsofWaterSports.D.TheCostofInstallingWater-SavingDevices.解析：本题考查主旨概括。选项A、C、D均与单元主题无关。选项B准确反映课文内容，如"Savewatereveryday"（每日节水）等建议，与单元核心话题一致。正确答案为B。6.Inthepassage"Reduce,Reuse,Recycle,"whichsentencecontainsapieceofpracticaladvice?A."Manypeoplethrowawaypaperwithoutthinking."B."Recyclingcanhelpreducepollution."C."Weshouldusereusablebagsinsteadofplasticones."D."Thegovernmentshouldbanallplasticproducts."解析：本题考查文本功能。选项A、B、D为陈述或观点，选项C提供具体行动建议，与课文"Reduce,Reuse,Recycle"三原则一致，属于实用建议。正确答案为C。7.Thepassage"WhatCanWeDo?"mentionsthatstudentscanhelpprotecttheenvironmentby:A.Studyingmoreaboutenvironmentalscience.B.Plantingtreesintheirschools.C.Buyingmoreelectronicdevices.D.Ignoringsmallenvironmentalproblems.解析：本题考查文本细节。选项A、C与环保背道而驰，选项D与课文主旨相反。选项B符合课文建议，如"Schoolscanorganizetree-plantingactivities"（学校可组织植树活动）。正确答案为B。8.Thephrase"asmallstepforaperson,abigstepfortheplanet"inthepassagemeans:A.Individualactionsareuseless.B.Smalleffortscanmakeabigdifference.C.Onlybigcompaniescanhelptheenvironment.D.Peopleshouldtakebigriskstosavetheplanet.解析：本题考查习语理解。该习语强调个人行动的重要性，与课文"Everylittlebithelps"（积少成多）呼应。选项B准确解释了其含义，其他选项与课文逻辑矛盾。正确答案为B。9.Inthepassage"ProtectingEndangeredAnimals,"whichsentenceshowstheauthor'sconcern?A."Manyanimalsaredisappearingbecauseofhumanactivities."B."It'sokaytokeeprareanimalsaspets."C."Governmentsshouldspendmoremoneyonanimalprotection."D."Someanimalsareluckybecausetheyarerare."解析：本题考查情感态度。选项A表达对动物灭绝的担忧，符合课文基调；选项B、C、D均与课文观点相悖。正确答案为A。10.Thepassage"OurResponsibility"suggeststhat:A.Onlyscientistscansolveenvironmentalproblems.B.Youngpeoplehavenoroleinenvironmentalprotection.C.Everyoneshouldtakeactiontoprotecttheplanet.D.Environmentalissuesaretooseriousforordinarypeople.解析：本题考查文本建议。选项A、B、D与课文主旨相反，课文强调全民参与。选项C准确概括了课文核心观点，如"Protectingtheenvironmentiseveryone'sjob"（保护环境人人有责）。正确答案为C。二、填空题（总共10题，每题2分，共20分）1.Thepassage"Reduce,Reuse,Recycle"tellsusthatusing__________bagscanhelpreduceplasticwaste.解析：根据课文内容，单元主题涉及环保行动，如"Usereusablebagsinsteadofplasticones"（使用可重复使用的袋子代替塑料袋）。正确参考答案：reusable。2.Inthepassage"HowtoSaveWater,"itissuggestedthatweshould__________whenleavingaroomtosaveenergy.解析：课文强调节约能源，如"Turnofflightswhenleavingaroom"（离开房间时关灯）。正确参考答案：turnofflights。3.Thephrase"asmallstepforaperson,abigstepfortheplanet"meansthat__________canmakeabigdifference.解析：该习语强调个人行动的重要性，如"Smallactionscanleadtobigchanges"（小行动能带来大改变）。正确参考答案：smallactions。4.Thepassage"ProtectingEndangeredAnimals"mentionsthatmanyanimalsareindangerbecauseof__________.解析：课文指出动物濒危原因，如"habitatdestructionandpollution"（栖息地破坏和污染）。正确参考答案：habitatdestructionandpollution。5.Inthepassage"OurResponsibility,"itissaidthatprotectingtheenvironmentis__________.解析：课文强调环保是共同责任，如"everyone'sjob"（每个人的工作）。正确参考答案：everyone'sjob。6.Thepassage"WhatCanWeDo?"suggeststhatstudentscanhelpby__________intheirschools.解析：课文建议学生参与校园环保活动，如"plantingtrees"（植树）。正确参考答案：plantingtrees。7.Thepassage"Reduce,Reuse,Recycle"tellsusthatrecyclingcanhelp__________.解析：课文强调回收利用的作用，如"reducepollution"（减少污染）。正确参考答案：reducepollution。8.Inthepassage"HowtoSaveWater,"itisrecommendedthatweshould__________insteadofusingdisposablecups.解析：课文建议使用可重复使用的物品，如"bringyourowncup"（带自己的杯子）。正确参考答案：bringyourowncup。9.Thepassage"ProtectOurPlanet"mentionsthat__________isacommonenvironmentalproblemincities.解析：课文列举城市环境问题，如"airpollution"（空气污染）。正确参考答案：airpollution。10.Thepassage"OurResponsibility"suggeststhat__________shouldtakeactiontoprotecttheenvironment.解析：课文强调全民参与，如"youngpeopleandadults"（年轻人和成年人）。正确参考答案：youngpeopleandadults。三、判断题（总共10题，每题2分，共20分）1.Thepassage"Reduce,Reuse,Recycle"onlytalksaboutrecyclingwaste.解析：错误。课文不仅涉及回收，还包括减少和重复使用，如"Reducewaste,reuseitems,andrecyclematerials"（减少浪费、重复使用物品、回收材料）。2.Inthepassage"HowtoSaveWater,"itisunnecessarytoturnoffthetapwhenbrushingteeth.解析：错误。课文建议节约用水，如"Turnoffthetapwhilebrushingyourteeth"（刷牙时关水龙头）。3.Thephrase"asmallstepforaperson,abigstepfortheplanet"meansindividualactionsareuseless.解析：错误。该习语强调个人行动的重要性，与课文"Everylittlebithelps"一致。4.Thepassage"ProtectingEndangeredAnimals"suggeststhatitisokaytokeeprareanimalsaspets.解析：错误。课文反对捕杀和饲养野生动物，如"Protectendangeredanimalsinsteadofkeepingthemaspets"（保护濒危动物而不是饲养宠物）。5.Inthepassage"OurResponsibility,"itissaidthatonlyscientistscanhelptheenvironment.解析：错误。课文强调全民参与，如"Everyonecancontributetoenvironmentalprotection"（每个人都能为环保做贡献）。6.Thepassage"WhatCanWeDo?"suggeststhatstudentsshouldignoresmallenvironmentalproblems.解析：错误。课文鼓励学生从小事做起，如"Studentscanstartbysavingpaper"（学生可以从节约纸张开始）。7.Thepassage"Reduce,Reuse,Recycle"tellsusthatusingpaperbagsisbetterthanusingplasticbags.解析：错误。课文建议使用可重复使用的袋子，如"Reusablebagsarebetterthandisposableones"（可重复使用的袋子比一次性袋子好）。8.Inthepassage"HowtoSaveWater,"itisrecommendedtousedisposablecupsinsteadofyourowncups.解析：错误。课文建议使用可重复使用的杯子，如"Bringyourowncuptoschool"（带自己的杯子去学校）。9.Thepassage"ProtectOurPlanet"mentionsthatairpollutionisnotaseriousproblemincities.解析：错误。课文指出空气污染是城市环境问题之一，如"Airpollutionisamajorissueincities"（空气污染是城市的主要问题）。10.Thepassage"OurResponsibility"suggeststhatenvironmentalissuesaretooseriousforordinarypeople.解析：错误。课文强调全民责任，如"Protectingtheenvironmentiseveryone'sjob"（保护环境是每个人的工作）。四、简答题（总共4题，每题4分，共16分）1.Accordingtothepassage"Reduce,Reuse,Recycle,"whatarethreewayspeoplecanhelpprotecttheenvironment?解析：本题考查文本细节。根据课文，三种方式为：-Reducewaste（减少浪费）：如避免过度消费。-Reuseitems（重复使用物品）：如使用可重复使用的袋子。-Recyclematerials（回收材料）：如将废纸、塑料瓶分类回收。答案需包含以上三点，并简要说明。2.Inthepassage"HowtoSaveWater,"whataretwosuggestionsforsavingwaterathome?解析：本题考查文本建议。根据课文，两条建议为：-Turnoffthetapwhilebrushingteeth（刷牙时关水龙头）。-Takeshortershowers（缩短淋浴时间）。答案需包含以上两点，并简要说明。3.Thepassage"ProtectingEndangeredAnimals"mentionsthatmanyanimalsareindanger.Whataretworeasonsforthis?解析：本题考查文本细节。根据课文，两个原因是：-Habitatdestruction（栖息地破坏）：如森林砍伐。-Pollution（污染）：如工业废水排放。答案需包含以上两点，并简要说明。4.Inthepassage"OurResponsibility,"whyisprotectingtheenvironmenteveryone'sjob?解析：本题考查文本观点。根据课文，理由为：-Environmentalproblemsaffecteveryone（环境问题影响所有人）。-Smallactionscanmakeabigdifference（小行动能带来大改变）。答案需包含以上两点，并简要说明。五、应用题（总共4题，每题6分，共24分）1.Supposeyouareastudent.Writeashortparagraph(about50words)suggestingthreewaysyourclassmatescanhelpprotecttheenvironmentatschool.解析：本题考查应用能力。参考答案："Myclassmatescanhelpprotecttheenvironmentbyrecyclingpaper,turningofflightswhenleavingaclassroom,andplantingtreesinourschoolgarden.Thesesmallactionscanmakeabigdifferenceforourplanet."2.Imagineyouarewritingapostertoencouragepeopletosavewater.Writethreeslogansfortheposter(eachsloganshouldbeabout10words).解析：本题考查应用能力。参考答案：-"Savewatereveryday!"-"Turnoffthetapwhenbrushingteeth."-"Everydropcounts!"3.Supposeyourschoolisorganizinganenvironmentalprotectionactivity.Whatactivitywouldyousuggest,andwhy?Writeashortparagraph(about50words).解析：本题考查应用能力。参考答案："Isuggestatree-plantingactivity.Plantingtreescanhelpimproveairqualityandprovidehabitatsforanimals.It'safunwaytoteachstudentsaboutenvironmentalprotection."4.Writeashortparagraph(about50words)explainingwhyusingreusablebagsisbetterthanusingplasticbags.解析：本题考查应用能力。参考答案："Reusablebagsarebetterthanplasticbagsbecausetheycanbeusedmanytimes,reducingwaste.Plasticbagstakehundredsofyearstodecomposeandpollutetheenvironment.Choosingreusablebagshelpsprotectourplanet."【标准答案及解析】一、单选题1.B2.C3.D4.B5.B6.C7.B8.B9.A10.C二、填空题1.reusable2.turnofflights3.smallactions4.habitatdestructionandpollution5.everyone'sjob6.plantingtrees7.reducepollution8.bringyourowncup9.airpollution10.youngpeopleandadults三、判断题1.×2.×3.×4.×5.×6.×7.×8.×9.×10.×四、简答题1.Reducewaste,