Unit13Wearetryingtosavetheearth知识点总结资料讲解

1、Unit 13 We are trying to save the earth!一教材知识详解Section A1. The air has become really polluted around here.(1) 现在完成时 ( 复习)(2) become2. Well, cut down air pollution, we should take the bus or subway instead of driving.(1) cut down(2) instead of 与 instead3. There are other advantages of bike riding. It

2、' s good for health and it doesn ' t cost anything! 考点： advantage4. And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.(1) remember to do remember doing(2) 系动词 keep(3) everyone 与 every one5. Many have heard of shark fin soup.hear of 听说hear 短语归纳：

3、6. When people catch sharks, they cut off their fins and throw the shark back into the ocean.cut off 连接名词或代词时，名词或代词应放在 cut 短语归纳：off 短语归纳：7. This method is not only cruel, but also harmful to the environment.(1) cruel(2) not only.but also(3) be harmful to8.So far, no scientific studies have shown tha

4、t shark fins are good for health, so why eat them?考点：so far9.Many believe that sharks can never be endangered because they are the strongest in their food chain.(1) the strongest(2) Endanger10.afford /spend/take/cost/paySection B1. Do you often throw away things you don ' t need anymore? 考点： thr

5、ow away2. Have you ever thought about how these things can actually be put to good use?(1) think about(2) put .to good use*put 其他短语：3.She lives in a house in the UK that she built herself out of rubbish.(1) built.out of sth(2) 定语从句复习pull4.The windows and doors come from old buildings around her town

6、 that were pulled down.考点：down*pull 其他短语：5.She opened a small shop where she sells her bags, and she has also set up a website to sell them on line.(1)This is the city where I was born.(2)set up*set 相关短语：6.Not only can the art bring happiness to others, but it also shows that even cold, hard iron can be brought back to life with a little creativity.(1)not o