课件25张PPT。Unit 13 We’re trying to save the earth! Section A 3a–3cWarming up :Before you readenjoy a video1. Have you ever heard of a shark（鲨鱼）?
2. What do you know about sharks?Warming up :1Before you read Sharks are at the top of (在…的顶端)the food chain(食物链) in the ocean ecosystem (生态系统)1. Appearance:
large / huge, heavy , large mouth, small eyes, sharp teeth, fins （鱼鳍）…
2. Personality:
dangerous ,cruel (残忍的,残酷的), harmful (有害的)…
3. Home:
ocean / sea
4. food:
fish
Are they invincible?
(天下无敌的)Watch a video
The video try to tell us to __________.
It also tell us not to ___________. Human kills them for their fins and now they are in danger.save the sharks
protect the sharks
eat shark fins Read the first and last sentences in each paragraphs and match the main ideas. 速读文章，找出段落大意。Sharks are endangered now.
Environmental protection groups have done things to protect sharks.
Talk about shark fin soup. Para. 1
Para. 2
Para. 3While-reading: skimming2Task 1Read the passage about sharks and complete the fact sheet below. 3asouthern China70 millionover 90 percentWildAid & the WWF2Task 2Read Paragraph 1 and judge the sentences. True or false.①Shark’s fin（鱼鳍）soup is famous and expensive all around the world.
②You’re killing a whole shark when you enjoy a bowl of shark’s fin soup.FTin southern ChinaTask 3Shark’s fin（鱼鳍）soupShark’s fin（鱼鳍）Read Paragraph 2 and fill in the chart. In order to enjoy a bowl of shark fin soup,
people ___________, ________________, then ______________________. _______________________drop quicklycatch sharkscut off their finsthrow them into the oceanThe numbers of sharksdrop 往下降the number of …的数量cut off 砍掉,割掉Task 4鲨鱼的生存现状Read Paragraph 2 and answer the questions.What happens to the sharks without their fins ?
A shark can no longer swim and slowly dies.
2. What does the writer think of this attitude(态度) of cutting off the sharks fins?
This is not only cruel , but also harmful to the environment.
3. Will it bring danger to all the ocean life if the numbers of the sharks drop too low ? What danger ?
Yes. This is harmful to the environment.
It will break(破坏) the balance of the ocean ecosystem.
4. What caused (造成)the sharks endangered ?
Sharks are caught and traded in this industry every year.be harmful to… 对…有害trade 买卖,商贸, 交易industry 工业bring danger to…
给…带来危险Task 5Read Paragraph 3 and judge the sentences.WildAid and the WWF are environmental protection groups in China.
Two environmental groups ask the government to develop laws to stop sale shark fins.
Shark’s fins are good for health.FTFin the world So far, no scientific studies have shown that sharks are good for health.Task 6develop laws to protect wild animals 立法来保护动物1. 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 ocean’s ecosystem will be in danger.
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.whensobutAlthoughifRead the passage again and fill in the blanks with the words in the box.3bTask 7Retell the articlesharkshear of … is popular …
realize … enjoy …cut off …
throw … back into …
not only … but also …
at the top of
be endangered
are caught and traded
the number of such as … teach about …
develop laws … are good for Group work3After you readSum Up:Words:(词)Reading skill:(阅读技巧)Sentences: (句) 找主题句，获得信息。cruel, harmful, low, industry, law, cut off1) Many people have heard of shark fin soup.
2) When people catch sharks, they cut off their fins and throw the shark back into the ocean.
3) This method is not only cruel, but also harmful to the environment.
4) If their numbers drop too low, it will bring danger to all ocean life.
homeworkListen and repeat the article with the help of the MP3 of 3a .
Retell the article about sharks.
Finish a group work.
小组分工合作，完成一份关于保护野生动物的英语手抄报.
内容包括:
1)介绍野生动物的生存状态.
2)讲述人类要保护野生动物的理由.(至少2条)
3)保护野生动物的具体措施. (至少3条)
4) 呼吁人类与动物和平相处, 号召大家采取行动保护野生动物.Group work There are some animals are endangered. They are endangered Protecting animals is protecting human ourselves.Keep the balance of the ecosystem !No buying, no killing.
Fur is killing. Be friendly to the animals !Unit 13 Section A 3a—3c 课堂练习
Read Paragraph 2 and fill in the chart.
In order to enjoy a bowl of shark fin soup, people ___________, ________________, then ______________________.
_______________________drop quickly
Group work: Retell the article. ( 4人1组复述课文，S1：Para.1; S2,3: Para 2; S4: Para 3)
Homework:
小组分工合作，完成一份关于保护野生动物的英语手抄报.
内容包括:
1)介绍野生动物的生存状态.
2)讲述人类要保护野生动物的理由.(至少2条)
3)保护野生动物的具体措施. (至少3条)
4) 呼吁人类与动物和平相处, 号召大家采取行动保护野生动物.
