1、Unit13 Were Trying to Save the Earth! 一重点词组 1. be full of 充满 2. close down 关闭 3. play a part in 扮演角色 4. clean up 打扫卫生 5. cut down 减少,砍倒；cut off 切断；cut up 切碎 6. instead of 代替 7. make a difference 起作用，有影响 8. used to 过去常 9. lead to 通往 10. hear of 听说; hear from sb 收到的来信 11. be harmful to 对有害；do harm to/
2、be bad for 12. the food chain 食物链 13. at the top of 在顶部或顶端 14. turn off 关掉； put off 推迟； show off 炫耀 15. take part in 参加 16. pay for 付费；付出代价 17. take action 采取行动 18. throw away 扔掉；抛弃 19. put sth. to good use 好好利用某物 20. pulldown 拆下；摧毁 21. turn upside down 上下颠倒；倒转 22. set up 建起，成立 23. bring back to lif
3、e 使恢复生机 24. be known for 因而闻名 25. so far 到目前为止 26. begin with 以开始 二重点句型和语法 1. It used to be so clean. (used to do) 2. Everyone in this town should play a part in cleaning it up. (情态动词) 3. The air has become really polluted around here. （现在完成时） 4. To cut down air pollution, we should take the bus or
4、subway instead of driving. 5. It doesnt cost anything. 6. But in fact, around 70 millon sharks are caught and traded in this industry every year. （被动语态） 7. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. 8. So far, no scientific studies have shown that
5、shark fins are good for health, so why eat them? 9. Recycling paper is really easy. 10. But its hard to stop riding in cars. 11. She opened a small shop where she sells her bags, and she has also set up a website to sell them online. 12. Turn off the lights when you leave a room. 13. Have you ever t
6、hought about how these things can actually be put to good use？ 14. Amy isnt the only one who is good at recycling. 15. She has been doing this for a few years now. （现在完成进行时/现在完成时/现在进行时） 16. Not only can the art bring happiness to others， but it also shows that even cold， hard iron can be brought bac
7、k to life with a little creativity. 17. And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. （remember to do/doing） 18. Many believe that sharks can never be endangered because they are the strongest in their food chain. 19. She lives in a house in the UK that she built herself out of rubbish. 20. The windows and doors come from old buildings around her town that were pulled down.
