Unit 13 We’re trying to save the earth. Section A 1a-1c课件 2022-2023学年人教版九年级英语全册

Unit 13 We’re trying to save the earth. Section A 1a-1c Learning objectives 1.To talk about different kinds of pollution; 2.To learn to protect environment; 3.To master the key words and phrases:litter, bottom, fisherman, environmental protection, coal, advantage…To learn to use the 4.To learn to use sentence pattern used to...but now To do …, we should do … . new words pollution litter bottom fisherman pollution 污染 air pollution water pollution land pollution noise pollution at the bottom of在......底部 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add mare words. loud music cars rubbish planes littering乱丢垃圾 ships factories smoking building houses mobile phones 污水 noise pollution _ _ _ _ air pollution _ _ _ _ water pollution _ _ _ _ loud music planes mobile phones factories cars smoking ships factories littering rubbish building houses building houses loud music cars rubbish planes littering ships factories smoking building houses mobile phones Write the words in the box below. Then add more words. machines/ crowds… burning/ chemical materials… industrial waste … Is the river clean? What can you see in the river? No, it is very dirty. I can see much rubbish in the river. 2. Do you think there are fish in the river? No, there aren’t. 3. What can we do to help solve the problem? We can help clean up the river. pre-listening : Listen again 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 water. How should the problem be solved? We should write to the _ and ask them to _the factories. Everyone should help to _the river. really dirty rubbish fish litter waste government close down clean up Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: But it used to be so clean! Mark: Yes, but people ar