英语人教版九年级全册单元13 we're saving the earth.docx

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1、Exercises：()1.He____gooutwithhisparents,butnow_________stayingathomealone.A、usedto,isusedto.B、isusedto,usedtoC、isusedto，isusedto()2.Theinterestingbook______me10Yuan.A.tookB.paidC.spendD.cost()3.wemustdosomethingusefulto_____pollutionA.cutoffB.cutup.C.cutdownD.cutin()4.Smokingcan_____lungcan

2、cer.Youmustgiveitup.A.workonB.leadtoC.takeawayD.putout()5.whatarethe_____ofbikeriding?ItcanhelpcutdownairpollutionA.advantageB.reasonsC.resultsD.ideas用所给词的适当形式填空1We_____(try)tosavetheearth.2Theair__________(pollute).3Weshould____(take)thebusinsteadofdriving.B类作业（优生完成）1多一个，少一个都无所谓.Onepersonw

3、ouldn’t_________________.2这个木箱装满了书.The_____box_______________books.3这条路通向公园.Theroad__________thepark.4这条河过去是干净的。Theriver  ____________clean.