随堂练习2附有答案

随堂练习2[复制]姓名：[填空题]*_________________________________班级：[单选题]*○1○2○3○4学号：[填空题]*_________________________________59.Weareshortofwaterbecause_________.（）[单选题]*A.3/4oftheearthiswaterB.wehaveenoughseawaterC.wedon’tuseallthewaterinriversD.wecan’tusemostwaterdirectly(正确答案)60._________ofwaterontheearthisinriversandlakes.（）[单选题]*A.3%(正确答案)B.75%C.97%D.25%61.Fromthepassage,welearn_________.（）[单选题]*A.Ifeverycityreusesitswater,we’llbeinnodangerofdryingupB.Mancanonlydrinkanduseabout25%ofthewaterontheearthC.Todayinmostlargecitieswaterisusedonlyonce(正确答案)D.Watercanbeusedonlyonce62.Toavoidtheseriouswatershortage,whichisthemostimportant?（）[单选题]*A.Weshouldsavewaterandtrytomakegooduseofthewaterinrivers.B.Wemustn’tpollutewaterandkeepallriversandlakesclean.C.Weshouldmakedirtywatercleanandthenreuseit.D.Weshouldtrytofindacheaperwaytogetthesaltoutoftheseawater.(正确答案)63.Thetitleofthepassagewouldbe“_________”.（）[单选题]*A.TheSeaWaterB.TheBestWaterC.TheThirstyWorld(正确答案)D.ThePollutedWater64.（）[单选题]*A.myselfB.yourself(正确答案)C.himselfD.herself65.（）[单选题]*A.busiestB.cleverestC.laziest(正确答案)D.tallest66.（）[单选题]*A.wash(正确答案)B.askC.visitD.invite67.（）[单选题]*A.watchTVB.dothehousework(正确答案)C.gocampingD.haveapicnic68.（）[单选题]*A.findB.understand(正确答案)C.celebrateD.change69.?[填空题]_________________________________(答案：suggestions)70.?[填空题]_________________________________(答案：spend)71.?[填空题]_________________________________(答案：difficult)72.?[填空题]_________________________________(答案：long)73.?[填空题]______