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1Unit2Topic3SectionB一.词组1.应该做某事2.开/关/调大/调小3.最好做某事4.代替做某事5.节约能源6.带着一个书包7.去购物8.塑料袋9.成为环保卫士10.trytodosth11.两边12.盖锅盖13.haveone’sattention14.参加15.结束做某事16.在海岸边17.准时/及时18.不得不做某事19.确信做某事20.上床睡觉21.考试失败22.忙于做某事23.赶快24.鼓励某人做某事25.形成二.背诵课文，完成下面练习1.a:Wouldyouliketobeagreenerperson?B:____________________.2.a:CouldIaskyousomequestion?B:_______________________3.a:__________________________________________________________?B:Youshouldgotoseeadoctor.4.Yououghttoturntooffthelightswhenyouleavearoom._____________________________________________________________________5.You’dbetterwalkorrideabikeinsteadoftakingabusorataxiifyoutravelashortdistance.____________________________________________________________________6.Itwillsaveenergyandreduceairpollution.__________________________________________________________________7.Third,takeaclothbagwhenyougoshopping.Don’tuseplasticbags._________________________________________________________________8.Easiersaidthandone.Actionsspeaklouderthanwords._________________________________________________________________三.练习1.一辆汽车，一个人骑着自行车oughtto,bike,insteadof22.一个人在关灯turnoff,when3.一个人逛街拿着布包badbetter,when4.一个人在吸烟giveup5.几个人在种树threedaysago6.一个人在洗房间look7.水土流失stop…from8.一个妇女在煮饭busy9.You’dbetter___onyourcoat.It’scoldoutside.A,putb,puttingc,toputd,puts10.We’llgotothebeachtocleantherubbishtomorrow.Pleasegettoschool__.A,ontimeb,intimec,attimesd,haveagoodtime11.Everyoneought__agreenerperson.A,isb,bec,tobed,become12.Hestayedhomeinsteadof__becauseoftheheavyrain.A,gooutb,wentoutc,goingoutd,goesout13.Pleaserememberto__thetapafteryouusingthewater.A,turnoffb,turnonc,closed,shutoff14.Gotoseethedoctoratonce,__yourcoughmaygetworse.A,whetherb,ifc,ofd,but15.Hishobbyis__swimming__skating.It’splayingbaseball.A,either,orb,both,andc,notonly,butalsod,neither,nor16.It’seasy__everyonetoprotecttheenvironment.3A,forb,ofc,tod,on17.It’salmosttenyears__wesaweachotherlasttime.A,beforeb,sincec,afterd,when18.Thecleanersoftencollectallkindsofgarbageinthepark,then__them,sothattheycanberecycled.A,sortb,sortsc,recycled,kind