Unit13Wearetryingtosavetheearth知識(shí)點(diǎn)總結(jié)

1、Unit 13 We are trying to save the earth!一.教材知識(shí)詳解Section A1. The air has become really polluted around here.(1) 現(xiàn)在完成時(shí)(復(fù)習(xí))(2) become2. Well, cut down air pollution, we should take the bus or subway instead of driving.(1) cut down(2) instead of 與 instead3. There are other advantages of bike riding. It

2、's good for health and it doesn 't cost anything!考點(diǎn):advantage4. And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.(1) remember to doremember doing(2) 系動(dòng)詞keep(3) everyone 與 every one5. Many have heard of shark fin soup.hear of聽說hear短語歸納：6. When

3、people catch sharks, they cut off their fins and throw the shark back into the ocean.cut off連接名詞或代詞時(shí),名詞或代詞應(yīng)放在 cut短語歸納：off短語歸納：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 that shark fin

4、s are good for health, so why eat them?考點(diǎn)：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?考點(diǎn)：throw away2. Ha

5、ve you ever thought about how these things can actually be put to good use?(1) think about(2) put .to good use*put其他短語：3.She lives in a house in the UK that she built herself out of rubbish.(1) built.out of sth(2) 定語從句復(fù)習(xí)4.The windows and doors come from old buildings around her town that were pulled

6、 down.考點(diǎn):pull down*pull其他短語：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相關(guān)短語：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 only