Unit 13 We're trying to save the earth练习（含答案）人教版九年级全册

Unit13We'retryingtosavetheearth练习一、词汇运用（一）根据汉语提示或首字母写单词Weshouldstopusing________(塑料的)bagstoprotecttheenvironment.The________(鲨鱼)isoneofthemostdangerousanimalsintheocean.Weshould________(减少)thewasteweproduceeveryday.Thegovernmentistryingtosolvethe________(污染)problem.Manypeopleliketoeat________(鱼翅),butit'scrueltosharks.The________(工业)inthisareahasdevelopedveryfastinrecentyears.Weshould________(回收利用)wastepaperandbottlestosaveresources.The________(法律)mustbeobeyedbyeveryone.The________(科学上的)researchshowsthatairpollutionisharmfultoourhealth.Weshould________(承担得起)tobuyanenergy-savingcartoprotecttheenvironment.（二）用所给单词的适当形式填空Look!Thestudents________(collect)wastepaperintheclassroom.We________(plant)manytreesinourschoolinthepastfewyears.Thefactory________(produce)alotofwastewatereveryday.It'sbadfortheenvironment.Weshouldstop________(use)plasticproductstoprotecttheearth.Thegovernmenthasmadesome________(law)toprotectthewildanimals.The________(science)isdoinganexperimenttofindawaytosolvethepollutionproblem.Weshouldraisepeople's________(aware)ofenvironmentalprotection.Theriver________(pollute)seriously.Weneedtocleanitup.The________(fish)inthisriveraregettingfewerandfewerbecauseofthepollution.Weshouldencouragepeople________(recycle)wastematerials.二、语法巩固（一）单项选择We________tosavetheearth.A.aretryingB.tryC.triedD.willtryThey________manytreesintheparksincelastyear.A.plantB.plantedC.haveplantedD.areplantingThefactory________wastewaterintotheriver.It'sagainstthelaw.A.poursB.pouredC.ispouringD.haspouredWeshouldstop________plasticbags.A.useB.usingC.touseD.usedThegovernment________somelawstoprotecttheenvironment.A.makesB.madeC.hasmadeD.ismakingLook!Thestudents________anactivitytocleanupthepark.A.haveB.hadC.arehavingD.havehadWe________toturnoffthelightswhenweleavetheroom.A.shouldB.oughtC.canD.mayTheair________seriously.Wemustdosomethingtostopit.A.pollutesB.ispollutedC.pollutedD.waspollutedThey________theimportanceofenvironmentalprotection.A.realizeB.realizedC.haverealizedD.arerealizingWeshouldencouragepeople________moretrees.A.plantB.toplantC.plantingD.planted（二）句型转换Wearetryingtosavetheearth.（改为一般疑问句）________you________tosavetheearth?Theyhaveplantedmanytreesinthepark.（对划线部分提问）________havethey________inthepark?Thefactorypourswastewaterintotheriver.（改为否定句）Thefactory________________wastewaterintotheriver.Weshouldstopusingplasticbags.（改为同义句）Weshould________________usingplasticbags.Thegovernmenthasmadesomelawstoprotecttheenvironment.（改为被动语态）Somelaws________________________bythegovernmenttoprotecttheenvironment.Theyarehavinganactivitytocleanupthepark.（对划线部分提问）________arethey________anactivityfor?Theairispollutedseriously.（改为感叹句）________________theairispolluted!Weshouldencouragepeopletorecyclewastematerials.（对划线部分提问）________shouldweencouragepeople________________?三、阅读理解（一）Theearthisourhome.Buttheenvironmentisgettingworseandworse.Weshoulddosomethingtoprotecttheearth.First,weshouldreducewaste.Wecanreusethingslikeplasticbottlesandpaper.Second,weshouldrecyclewaste.Wecanrecycleglass,metalandplastic.Third,weshouldprotectthewildanimals.Manywildanimalsareindangerbecauseofhumanactivities.Fourth,weshouldusecleanenergy.Wecanusesolarenergy,windenergyandwaterenergy.Ifwealldosomethingtoprotecttheearth,ourhomewillbecomemoreandmorebeautiful.Whyshouldweprotecttheearth?A.Becausetheearthisourhome.B.Becausetheenvironmentisgettingbetter.C.Becausewehavenothingelsetodo.D.Becausewewanttobefamous.Whatshouldwedofirsttoprotecttheearth?A.Recyclewaste.B.Reducewaste.C.Protectthewildanimals.D.Usecleanenergy.Whatcanwereuse?A.Glass.B.Metal.C.Plasticbottlesandpaper.D.Solarenergy.Whyaremanywildanimalsindanger?A.Becauseofthebadweather.B.Becauseofnaturaldisasters.C.Becauseofhumanactivities.D.Becauseoftheirowndiseases.Whatkindofenergycanweuse?A.Solarenergy.B.Windenergy.C.Waterenergy.D.Alloftheabove.（二）Inmanyplaces,peoplearetryingtoprotecttheenvironment.Insomecities,peopleareusingpublictransportationinsteadofdrivingcars.Thiscanreduceairpollution.Insomecountries,peoplearerecyclingwastematerials.Theycollectwastepaper,plasticandmetalandsendthemtofactoriesforrecycling.Inasmallvillage,peopleareplantingtrees.Theywanttomakethevillagegreener.Theyalsostopusingplasticbags.Theyuseclothbagsorbamboobasketsinstead.Theseactionsaremakingadifference.Theenvironmentisgettingbetterandbetter.Whatarepeopledoinginsomecitiestoprotecttheenvironment?A.Drivingcars.B.Usingpublictransportation.C.Throwingwasteeverywhere.D.Burningwaste.Whatarepeopledoinginsomecountriestoprotecttheenvironment?A.Recyclingwastematerials.B.Cuttingdowntrees.C.Usingplasticbags.D.Wastingwater.Whatarepeopleinthesmallvillagedoingtomakethevillagegreener?A.Plantingtrees.B.Buildinghouses.C.Throwingrubbish.D.Huntingwildanimals.Whatdopeopleinthesmallvillageuseinsteadofplasticbags?A.Paperbags.B.Clothbagsorbamboobaskets.C.Metalboxes.D.Glassbottles.Whatistheresultoftheseactions?A.Theenvironmentisgettingworse.B.Theenvironmentisgettingbetter.C.Thereisnochange.D.Wedon'tknow.（三）Thegovernmentistakingactiontoprotecttheenvironment.Ithasmadesomelawstostopfactoriesfrompouringwastewaterandwastegasintotheairandrivers.Ithasalsoencouragedpeopletousecleanenergy.Manypeoplearealsodoingtheirpart.Theyarerecyclingwaste,reducingwasteandusingpublictransportation.Somestudentsareorganizingactivitiestoraisepeople'sawarenessofenvironmentalprotection.However,thereisstillalongwaytogo.Weneedtoworktogethertomakeourearthabetterplace.Whatisthegovernmentdoingtoprotecttheenvironment?A.Makinglaws.B.Pouringwastewaterandwastegas.C.Encouragingpeopletousedirtyenergy.D.Cuttingdowntrees.Whataremanypeopledoingtoprotecttheenvironment?A.Recyclingwaste.B.Reducingwaste.C.Usingpublictransportation.D.Alloftheabove.Whataresomestudentsdoingtoprotecttheenvironment?A.Organizingactivitiestoraisepeople'sawarenessofenvironmentalprotection.B.Throwingwasteeverywhere.C.Usingplasticbags.D.Wastingwater.Istherestillalongwaytogotoprotecttheenvironment?A.Yes,thereis.B.No,thereisn't.C.Wedon'tknow.D.Itdepends.Whatshouldwedotomakeourearthabetterplace?A.Worktogether.B.Donothing.C.Onlyrelyonthegovernment.D.Onlyrelyonindividuals.四、情景交际（一）补全对话A:Hi,Mary!Whatareyoudoing?B:1._____________________A:Whyareyoucollectingwastepaper?B:2._____________________A:That'sagoodidea.Weshoulddosomethingtoprotecttheenvironment.B:Yes.3._____________________A:IalwaysturnoffthelightswhenIleavetheroom.B:Great!4._____________________A:IalsouseclothbagsinsteadofplasticbagswhenIgoshopping.B:Wonderful!5._____________________A:Yes,ifwealldosomething,ourenvironmentwillbebetterandbetter.（二）从方框中选择合适的句子补全对话（有两项多余）A:Hi,Jack!Doyouknowtheimportanceofenvironmentalprotection?B:1._____________________A:Whatdoyouusuallydotoprotecttheenvironment?B:2._____________________A:That'sgood.3._____________________B:Yes,Ido.Ioftenrideabiketoschool.A:4._____________________B:Ialsorecyclewastematerialsathome.A:5._____________________Weshouldalldosomethingtoprotecttheearth.A.Doyouusepublictransportation?B.Ialwaystakeashowerinsteadofabathtosavewater.C.I'mcollectingwastepaper.D.Yes,Ido.It'sveryimportant.E.Whatelsedoyoudo?F.Idon'tthinkso.G.You'reright.五、写作假如你是李华，你的美国笔友Tom想了解你所在城市的环保情况。请你给他写一封电子邮件，介绍你所在城市在环保方面采取的措施，以及你和你的家人在日常生活中是如何保护环境的。要求：包含所有要点内容，可适当发挥；语句通顺，语法正确；80-120词。答案一、词汇运用（一）根据汉语提示或首字母写单词plasticsharkreducepollutionsharkfinsindustryrecyclelawscientific