外研版九年级英语上册《If everyone starts to do something，the world will be saved》Save our world PPT免费下载，共33页。Look and say.Farmers can’t use water for their crops because the rivers are polluted.In some places, pollution from factories spreads over cities and villages.So many cars use so much oil and cause pollution.Waste gases from factories often pollute the air.Rice farmers here still plant and harvest their crops by hand.Language points1.spread over的用法And in some places, pollution from factories spreads over cities and villages.spreads over: 分散，传开2.a danger to 的用法Pollution is a danger to our health.a danger to: 对…的危险3.it’s no use doing 的用法It’s no use talking about things we can’t do.it’s no use doing: 做某事没有用处4.such as 的用法Such as…?such as: 例如5.hopeless 的用法Though pollution is heavy now, I don’t think it’s hopeless.hopeless: 没有希望的... ... ...关键词：If everyone starts to do something，the world will be saved 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。