1、Unit 13Were trying to save the earth!,The earth is badly polluted.What should we do to save the earth?,Warming up,Lets take action (采取行动),Turn off the lights when you leave a room.,Recycle books and paper.,Take buses instead of driving cars.,There are some animals are endangered. We should do someth
2、ing to protect the animals and the environment!,Save the earth!Save the animals!,The zoos provide homes for many endangered animals.,1. Have you ever seen a shark（鲨鱼）?2. What do you know about sharks?,Discuss with your partner:,Sharks are endangered, read the passage and judge the sentences.,Read th
3、e first paragraph,1. Sharks fin（鱼鳍）soup is famous and expensive all around the world.,2. We have to kill a whole shark to get a bowl of sharks fin soup.,F,T,Read the second paragraph,1. People cut off sharks fins and throw the sharks back into the ocean.,2. Sharks are in the bottom of the food chain
4、 in the oceans ecosystem.,T,F,n. 生态系统,食物链,Read the third paragraph,1. WildAid and the WWF are environmental protection groups in China.,2. Sharks fins are good for health.,F,F,In southern China,70 million,Develop laws to stop the sale of shark fins,WildAid and the WWF,3a,Read the passage about shark
5、s and complete the fact sheet below.,3b,Read the passage again and fill in the blanks with the words in the box.,Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2. Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem w
6、ill be in danger.,when,so,3. Many think that sharks are too strong to be endangered, _ they are wrong.4. _ there are no scientific studies to support this, a lot of people believe that shark fins are good for health.5. Sharks may disappear one day _ we do not do something to stop the sale of shark fins.,but,Although,if,adj. 科学上的，科学的,Retell the passage according to the words below.,Thank You!,U盘、电脑坏了？教学资料不见了？以前的资料没保存？每一届重复劳动？找不到精品课件、试题、教案反思？各大文库价格昂贵？来【163文库】吧，你可以：上传分享资料赚取零用钱；创建教学空间，分类收藏存储资料；方便下届使用；百万教学资源供你下载；【平台地址：】,
