2、的人，主席，总统。metal,n.金属litter,n.垃圾recycle,v.回收利用，再利用短语归纳1.Environment protection 环境保护2. air pollution 空气污染 3. noise pollution 噪音污染4. water pollution 水污染 一切为了孩子10中国教育领军品牌5.public places 公共场所；公共地方 6. mobile phone 手机；可移动电话7. art pieces 艺术品 8. the food chain 食物链 9. scientific studies 科学研究 10.
3、 the number of ... ...... 的数目 11. take part in 参加 12. take action 采取行动；采取措施 13. be famous for ........ 因......而出名 14. be harmful to 对......有害 15. make a difference 起作用；有影响 16. pay for 付费；付出代价 17. put sth to good use 好好利用= make good use of 18. pull down 撤出；摧毁 重点句子1.Wearetryingtosaveth
4、eearth.我们在努力拯救地球。2.Theriverusedtobesoclean.河流以前很清澈。3.Theairisbadlypolluted.空气被严重污染。难点讲解1. We’re trying to save the earth! 我们正在竭尽全力拯救地球! try to do =try one’s best to do 努力去做某事。 e.g. Every student should try to study hard in order to study in a university. 为了进入大学学习，每个学生都应该努力学习。 2.
5、Here are some words related to different kinds of pollution. be related to 与…有关 e.g. I am not related to him in any way. 我和他无任何关系。 3. Everyone in this town should play a part in cleaning it up! 一切为了孩子10中国教育领军品牌play a part in 在……方面起作用 e.g.A good diet plays a large part in h
6、elping people live longer.健康的饮食在帮助人们长寿方面起着非常大的作用。 play a part 在……中扮演角色 e.g. 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。 2. —Even the bottom of the river was full of rubbish. —Yes, but people are throwing litter into the river. 【辨析】litter 和 rubbish 都可指“垃圾”，用作不
7、可数名词。rubbish 指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。 litter 指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收 e.g. Throw the rubbish out. 把垃圾扔出去。 The room is full of rubbish. 房间里堆满了垃圾。 Pick up your litter after a picnic. 野餐后将废弃物收拾好。5. This is turning beautiful places into ugly ones. turn… into… 把…
