Unit12TheEarth第三课时习题一、写出下列单词。1塑料袋2.丢垃圾3.干净和漂亮4.砍倒5.蓝色部分二、按要求写单词。1.too(同音词)____________2.somefactories(中文)______________3.捡起(英文)______________4.people(复数)___________5.购物袋(英文)______________三、根据句子意思,选择适当形式填空。1.Weshouldn’t(cut)downthetrees.2.Ican’t(use)moreplasticbags.3.TheEarthwascleanand(beauty).4.Theymakethelandandwater(脏的).5.Airkeepsus(活着).四、将下列句子翻译成英语。1.你的城市干净吗?2.有很多绿色的树木。3.我们的城市既干净又漂亮。4.我们应该保持地球整洁干净。5.他们每年植树。五、按要求写句子。1.Theriversareveryclean.(改为一般疑问句)2.人们使用许多的塑料袋。(翻译句子)3.Thereisalotofsmokefromthefactories.(改为否定句)4.Weshouldstopthrowingrubbishintooceans.(就划线部分提问)5.Weusewoodtomakepaper.(改为一般疑问句)Unit12TheEarth第三课时答案一、【解析】该题考查单词的熟悉程度【答案】1plasticbag2.throwrubbish3.cleanandbeautiful4.cutdown5.bluepart二、【解析】1.too同音词,故答案to。2.somefactories的中文意思是一些工厂,故答案为一些工厂。3.考查中译英,答案为pickup。4.考查people复数,故答案为people。5.购物袋的英文是shoppingbag,故答案为shoppingbag。【答案】1.to2.一些工厂3.pickup4.people5.shoppingbag三、【解析】考察学生的句意理解能力。【答案】1.cut2.use3.beautiful4.dirty5.alive四、【答案】1.Isyourcityclean?2.Therearemanygreentrees..3.Ourcityiscleanandbeautiful.4.WeshouldkeeptheEarthcleanandtidy.5.Theyplanttreeseveryday.