人教版九年级英语下册《We're trying to save the earth!》SectionA PPT教学课件(第1课时)，共31页。What pollution do you know?The factories that burn coal pollute the air with a lot of black smoke.Factories put waste into the river. people litter everywhere.There are too many cars on the road.Some people play loud music in public.People use a lot of plastic bags in their daily life.常用短语play an active part in (doing) sth. 积极参与（做）某事play an important part in (doing) sth. 在某事中发挥重要作用[拓展]play a part 在……中扮演角色 , 与 play a role 同义。He was invited to play a part in this TV play.他被邀请参加这个电视剧的演出Linda ____________ of Snow White in the play.琳达在这部话剧中扮演了白雪公主的角色。[观察] Our actions can make a difference and lead to a better future! 我们齐心协力就能带来变化，创造更加美的未来。[探究] make a difference 起作用；有影响make a difference to ... 对……产生影响[注意] difference前面可加修饰语，如big, great等，表示受影响的程度。锻炼对她产生了重大影响。Exercise ____________________ to her.... ... ...关键词：We're trying to save the earth! 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。