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师梦圆初中英语教材同步人教版九年级全一册Section A 1a—1c下载详情
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内容预览

Show students different kinds of pollution and how they are caused.

Discuss with students what we can do to help to save the earth.

Difficult points:

Make conversations to talk about the pollutions you know and the things you can do to help.

Teaching tools:

Multimedia

Teaching steps:

Step One: Lead in

T: Today is cool, it is very comfortable. Unfortunately, the air isn’t fresh and clean. Look! We need this. (Show a mask to students)

Step Two: Presentation

Show Ss some pictures in which people are suffering from polluted air. Let Ss know that this is air pollution.

Show Ss two pictures of the same river in different time, let Ss describe what is used to be like and what it is like now. Let Ss know that this is called water pollution.

Show Ss some pictures in which lots of cars are on the road, it is very noisy. Also, some people speak too loudly in public, it is noisy too. Tell Ss we call it noisy pollution.

Do 1a. Make Ss write down the words in the right place.

Check the answer.

Do 1b. Listen and complete the sentences.

Check the answer.

Pair work.

Role-play the conversation in 1b. Then make your own conversations about the kinds of pollution in 1a.

Do 2a and 2b.

Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about in 1a.

Listen again and complete the sentences in 2b.

Group work.

Act out the conversations in 2a/2b and 2d in groups of three.

Extension

Think over: as teenagers, what can we do to help to save the earth? (Stop riding in cars; turn off the lights/ TV/ computers when we leave the room……)

Step Three: Conclusion

Conclude the main content of this class.

Homework:

The earth is badly polluted. Please make a poster to let people know that.

教材