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6上Unit7Protecttheearth辅导练习班级__________姓名_____________一、单项选择.()1.Look!Therearetoomany________intheriver.A.fishB.plasticC.rubbishD.water()2.Treeshelp_______theairclean.A.keepingBtokeepC.keepD.keeps()3.Don’tuse_________plastic,Mum.A.toomanyB.toomuchC.muchtooDmanytoo()4.Wecanusewater____________things.A.tocleanBcleaningC.cleanD.cleans()5.Doyouknowthenews?Yes,Mike_____me_______ityesterday.A.told,aboutB.tells,forC.says,about()6._______aniceposter.A.HowBwhat’sC.whatD.howis二、按要求改变句子。1.Weshouldn’twastewater(改为同义句)Weswater.2.ThereismuchoilonEarth.(改为否定句)muchoilonEarth.3.Woodcomesfromtrees.（改为一般疑问句)________wood________fromtrees?4.Peopleshouldsaveenergybecausethere’snotmuchenergy(对划线部分提问)________________people________energy?5.Wecanreuseaplasticbottletomakeatoy(对划线部分提问)________________you________aplasticbottle?6.Mostoftheenergyisfromoilandcoal.(同义句改写)Mostoftheenergyoilandcoal.三、用所给单词的适当形式填空。1.Don’t________(throw)rubbishanywhere.2.Thestudentsare_______(plant)treesonthehillnow.3.Thesignmeans“No_________(park)”4.Youshould__________(put)rubbishinthebin.5.Billy_________(slip)ontheskinandfalls.6.Rubbish_________（make）thestreetsdirty.7.They_________(bring)somehotdogsfｏthelunchyesterday.等第________日期________1