1、Unit 13 Were trying to save the earth! SectionA (1a-1c) 必背词组 1. make a difference 起作用；有影响 2. take part in 参加 3. turn off 关掉 4. pay for 付费；付出代价 5. cut down 减少 6. lead to 导致 7. hear of 听说 8. cut off 切除 9. throw away 扔掉 10. put sth. to good use 好好利用 11. put down 拆下；摧毁 12. upside down 上下颠倒 13. bring sb.
2、 Back to 使想起 14. be harmful to 对有害 15. at the top of 在顶部或顶端 16. take action 采取行动 必背句子： 1.Everyone in this town should play a part in cleaning it up.我们镇上的每个人都应该尽一份力把这条河清理干净。 2.The air has become really polluted around here. 这附近的空气被严重污染了。 3.To cut down air pollution, we should take the bus or subway i
3、nstead of driving. 为了减少空气污染， 我们应该乘公汽或地铁，而不要开车。 4.It doesn t cost anything.它不耗费任何东西。 5.But in fact, around 70 million sharks are caught and traded in this industry every year. 但事实上，每年大约七千万条鲨鱼被抓来用作商业交易。 6.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. 有些
4、种类的鲨鱼数量在过去的二三十年里，下降了百分之九十以上。 7.So far, no scientific studies have shown that shark fins are goodfor health, so why eat them? 到目前为止，没有科学研究证明显示鱼翅对健康有益， 所以为什么要吃呢？ 8.Recycling paper is really easy. 回收再利用纸很容易。 10.But it s hard to stop riding in cars. 但是停止开小汽车是很难的。 11.We shouldn t use paper napkins . 我们不该用餐巾纸。 12.Turn off the lights when you leave a room. 当你离开房间时关掉灯。 13.Have you ever thought about how these things can actually be putto good use？ 你曾经考虑过怎样能充分利用这些东西吗？ 14.Amy isn t the only one who is good at recycling. 艾米并不是唯一善于回收利用的人 15.She has been doing this for a few years now. 她做这事已经有好几年了。
