Unit7ProtecttheEarth练习一班级姓名用所给词的适当形式填空。1.Weusewater(clean)things.2.Thereisn’ttoo(many)coal.3.Weshouldnotusetoo(many)plastic(bottle).4.Treeshelp(keep)theairclean.1.There’stoo_____________(many)rubbishontheground.2.Weuseplastic_______________(make)bagsandbottles.3.LiuTaohasalotof____________(paper).4.Peoplecan’tcutdowntoo________(many)trees.5.There_________(be)notmuchwateronEarth.选择。()1.Wereuseandsavewater.A.can’tB.shouldC.shouldn’t()2.usetoomuchplastic.A.Can’tB.Shouldn’tC.Don’t()3.Weplasticbagsandbottles.A.use,makeB.touse,tomakeC.use,tomake()4.Tokeeptheairclean,wedon’ttoworkeveryday.A.walkB.rideC.drive()5.Plasticbagstheparkmessyanddirty.A.makeB.makesC.making一．根据中文提示，把句子补充完整。1.我们每天使用水清洁物品。Wethewaterthingseveryday..2.我们应该再利用和节约用水。Wereuseandwater.3.大部分能源来自于煤和石油。Mostofourenergycoaland.4.我们不应该砍伐太多的树木。Wecutdowntootrees.1.我们应该节约能源。We__________________energy.2.他们经常使用木头制作课桌椅。Theyoften_________woodto________desksand_________.3.她每天使用筷子吃早饭。She________chopsticks______havebreakfasteveryday.二．句型转换。1.Weshoulddrivesomuch.（改为否定句）Wesomuch.2.Woodcomesfromtrees.（改为一般疑问句）Woodfromtrees？3.Peopleshouldsaveenergybecausethere’snottoomuchplastic.(对划线部分提问)peopleenergy？4.make,to,plastic,use,bags,we,and,bottles(.)（连词成句）按要求改写句子。1.Peopleshouldn’twasteenergy.（改为同义句）People_______________________energy.2.Weshouldsavewaterbecausewaterisuseful.（对划线部分提问）________________we________water?三、用should或shouldn’t填空。1.We______________shoutinclass.2.Allthestudents______________knowtheEarthisourhome.3.You__________reusethesepapertomakeabox.4.You___________smokeintherestaurant.5.We________protectourEarthtogether.
