《We're trying to save the earth!》PPT课件

情境引入 Leading-in

1 a. Look at the following pictures.

Here are some words related to different kinds of pollution. What pollutions are they ?

1c Role-play the following conversation and make your own conversations about the kinds of pollution above.

A: The river was dirty. Even the    bottom of the river is full of rubbish.

B: But it used to be so clean.

A: Yes, but people are littering in the river.

B: Everyone in the town should play a part in cleaning it up.

... ... ...

1b.Listen and complete the sentences 

What was the problem? 

The river was _______.Even the bottom of the river was full of ______.There were no more ____ for fishermen to catch.

What caused the problem?

People are throwing _____ into the river. Factories are putting _____ into the river .

How should be the problem be solved ?

We should write to the _________ and ask them to __________ the factories. Everyone should help to ______ the river .

... ... ...

2a Listen to the interview .Circle the kinds of pollution that Jason and Susan talk about 

A land pollution B air pollution C noise pollution D water pollution 

2b 1The air is badly polluted because there are ________ on the road these days .

2 Factories that burn coal also ______ the air with a lot of black smoke.

3 There is also too much rubbish and waste .People ___________ things every day.

4 People are also littering in _________ like parks. This is turning beautiful places into ugly ones 

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