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教学重难点：
1. 教学重点:
环境问题的术语表达,行为措施等知识的灵活运用,文章的结构规划和文章的输出。
2. 教学难点:
文章的修改,提升语言的多样性和复杂性。
学习过程：
Task1 Brainstorming
environment
Task2 Read 3a and answer
1. What happens to the sharks?
2. How can we help save the sharks?
Task3 Complete the passage.
Save the sharks
Shark fin soup is _________(especial) popular in southern China. Many people ___________(realize) they are killing a whole shark when they enjoy a bowl of shark fin soup.
When people catch sharks, they cut off ______(they) fins and throw the sharks back into the ocean. __________ a fin, a shark can no longer swim and slowly dies . Sharks are at the top of the food chain, ____ if their numbers drop, the ocean’s ecosystem will be in danger. Around 70 million sharks _________ (catch)and traded in this industry every year. The numbers of some kinds of sharks ____________ (fall)by over 90 percent in the last 20 to 30 years.
Environmental protection groups around the world, such as Wild Aid and the WWF, are teaching the public about “finning”. They have even asked governments _______ (stop) the sale of shark fins. Although there are no __________ (science) studies to support this, a lot of people believe that shark fins are good for health. Sharks may _________ (disappear) one day if we don’t do something to stop the sale of shark fins. Help save the sharks!
Task4 Pair work
Work in pairs, talk about environmental problems in our city.
A: The air has become really polluted around here. I’m getting very worried.
B: Yes, I used to be able to see stars in the sky.
A: The problem is that…
B:
Task5 Group work
In groups of six, choose one topic and discuss how to solve them. Follow the example.
air/noise/white/land… pollution
S1: What are your ideas for solving these problems?
S2: Well, to cut down … pollution, we should…
S3: I think we can…
S4: I guess…
S5: I think it’s a good idea that…