外研版九年级英语上册《Repeat these three words daily:reduce reuse and recycle》Save our world PPT免费课件，共26页。新课导入Language practiceReuse means “use again”.Though pollution is heavy now, I don’t think it’s hopeless.新课讲解Make new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once.We shouldn’t use disposable food box or disposable chopsticks.These are some bowls and spoons made of china.Someone threw an empty bottle in a river.There are three rubbish bins for recycling, so please divide the waste before you throw things into them.Possible answers:It is better to use china cups and bowls because they can be used many times.It is better to divide the waste into things to recycle and things to throw away.It is necessary to use less plastic bags.You should make a recycling policy for your classmates and yourself.Language pointsIt is better to use china cups and bowls...用瓷杯和瓷碗更好…… it在这里作形式主语。作不定式的形式主语eg：It's not easy to get him to change his mind. 让他改变主意不容易。作that引导的从句的形式主语eg：It is obvious that we can't go on like this.我们显然不能像这样继续了作whether, when, what等引导的句子的形式主语eg：It doesn't matter whether you go or not. 你去不去没关系。作动名词的形式主语eg：It was nice seeing you. 看见你真好。when shopping 当买东西时when＋doing，when为连词，由于主句和从句主语相同，故可省略从句中的主语和be动词。eg：When waiting for the train, he always plays his mobile games.当他等火车时，他总是玩他的手机游戏。... ... ...关键词：Repeat these three words daily:reduce reuse and recycle PPT课件免费下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。