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1、Module 6,Save our world,Unit 1,Its wasteful to throw away paper and metal.,1. Its wasteful to throw away paper and metal.扔掉纸张和,金属是很浪费的。,【要点指津】,(1)“It isadj.(for sb.) to do sth.”是固定句型,意为“(对某人来说)做某事是的”,其中 it 作形式主语,后面的动词不定式作真正的主语。如:,It is dangerous to swim in the river.在这条河里游泳是危险的。,(2)throw away 意为“扔掉,
2、抛弃(某物)”。接代词作宾语,时,代词要放在动词和副词之间。如:Dont throw them away.不要把它们扔掉。,【同步互动】,A,Can I smoke here?I think _ is not good to smoke in public.,AitCthat,BthisDthese,解析:it is not good to smoke in public 意为“在公共场合吸烟不好”,it 作形式主语。,These are plastic bags.Dont _.,Athrow away it,D,Bthrow it awayCthrow away themDthrow the
3、m away解析:由 plastic bags 可知应用 them;当接代词时,代词要放在 throw 和 away 中间。故选 D。,2. We should stop the factories from polluting the river.,我们应该阻止工厂污染河流。,【要点指津】,stop.from doing sth. 意为“ 阻止做某 事”,相 当于prevent.from doing sth.,其中from在主动语态中可以省略。如:,The Great Green Wall will stop the wind (from) blowing the,earth away.“绿色长城”将阻止风把泥土刮走。,【同步互动】During the Spring Festival, the heavy snow stopped many,people from _ home.,C,AgoCgoing,BwentDto going,解析:stop.from doing sth.阻止做某事。,