Unit13We’retryingtosavetheearth!单元练习I.短语翻译:(BC层必做,A层选做)1.创造一个美好的未来_____________________2.好好利用___________________3.把....扔打回到.....________________________4.在...顶部或顶端_____________5.担负不起做某事_______________________6.参加_______________________7.在过去的20到30年里(用于现在完成时态)___________________________________8.用..建造_____________________________9.回收书和纸_________________10.上下颠倒:倒转_______________________11.对…..有害__________________12.恢复生机____________________________13.食物链____________________14.采取行动____________________________15.摆脱困境__________________16.turnoff_______________________________17.考虑做_____________________18.…的数量_____________________________19.到目前为止_________________20.throwaway___________________________21.payfor_____________________22.pull...down____________________________II.单项选择:(BC层必做,A层选做)()1.----Wehavebeenworkingfortwohours.Whatabouthavingadrink?---______________________________.A.HelpyourselfB.That'sallC.GoodideaD.That'sright()2.----WhataboutplayingcomputergamesathomeonSunday?----______________.Ithinkweshouldhavesomeoutdooractivities.A.IagreeB.IdisagreeC.ImafraidsoD.I'mafraidnot.()3.----____________wellheplaystheviolin!----Yes.Hepracticeseveryday.A.WhatB.WhataC.HowD.Howaa()4.----Doyouknowthegirl____________hasgotaprizeinthecompetition?----Yes,ofcourse.Sheismycousin.A.whoB.whichC.whomD.whose()5.---WehavedecidedtotraveltoAustralia.We_________aplannow.----Really?MayIjoinyou?A.makeB.madeC.willmakeD.aremaking()6.---Jason,you__________crossthestreetuntilthetrafficlightsturngreen.---OK,I'IIrememberthat,Mom.A.needn'tB.mustntC.maynotD.couldn’t()7.----Mr.Wang__________byareporteryesterday.Why?---Becausehehelpedsendasickladytohospital.A.interviewsB.interviewedC.isinterviewedD.wasinterviewed()8.----Notonly_________hisownbed,buthealsohelpedhisgrandmadohousework.----Hewasreallyhelpfulathome.A.didhemakeB.hemadeC.willhemakeD.hewillmake()9.---Whatdoyouthinkofthe...