《Were trying to save the earth!》PPT课件[文字可编辑].ppt

Unit 13 Were trying to save the earth! Section A 1a-2b 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 ? noise pollution Air pollution water pollution 1 c 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 . dirty rubbish fish litter waste government close down clean up