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Talk about with your partner: 1. What can you see in the picture?
2. What can we learn from the pictures above? What should we do?
导入本节课的学习目标
Step2 Listening
1. Work in pairs. Look at the pictures and talk about them.
（Activity1）
2. Listen and complete the sentences
1. The factory is causing a lot of __________.
2. There should be some ________ to stop the pollution.
3. We can ________ waste products, such as ________ and paper in a recycling centre.
Step 3 Reading
Task1.读前听 Listen and find out what polluted the environment.
Task2. 听后读Look through the passage and complete the notes
Pollution problems
1.If the rivers are polluted, ____________.
2. In some places, pollution from factories __________________________________.
3. The cars on the roads _______________.
What the students can do
4. Support a green school: every class ___________ which can be ___________________. Then the school _____________to help students ____________________.
5. Students learn ____________________. That means __________.
Task 3 读后说
According to the notes above, work in groups and make a conversation.
Read and try to recite the conversations
Complete the passage with the correct form of the words in the box. (Activity 4 )
Step 4 突破重难点（合作探究）
Step5 学以致用Work in pairs. List the pollution problems in your place. Choose one problem and say what should be done about it.
You can make a dialogue like this:
A: The air pollution in our city is getting worse. What can we do to stop it?
B: I think we can ride our bicycles to school more
Step6 巩固练习