2020年九年级英语全册Unit13We’retryingtosavetheearthSectionA1a_2d课件新版
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People are throwing _______ into the river. Factories are putting _______ into the river.
We should write to the _________ and ask them to ________ the factories. Everyone should help to _______ the river.
Practice
• Role-play the conversation(2d). • Discuss how to stop the pollutions.
Work alone
• 1 Sometimes people use chemicals much on their fields, so ____ is difficult to stop.
Listen to 2b and complete the sentence.
1. The air is badly polluted because there are ______ on land.
2. Factories that burn coal also _______ the air with a lot of black smoke.
• 2 Each year people pour waste into rivers, lakes and so on, so ___ is everywhere in China.
• 3 ___ makes people sick. It causes breathing problems and even cancer.
Project
• Observe environment around you and see whether there are pollutions . How are they produced? Make a report and give it to the government.
Listen to 1b and complete the sentences
What was the problem?
What caused the problem?
How should the problem be solved?
The river was _______. Even the botton of the river was full of _____. There were no more _____ for fishermen to catch.
• 4 In some cities there’s too much ___ caused by many cars. The government has done something useful to stop it.
• 5 __ is harmful to our eyes. • 6 ___ influences the look of our cities.
3. There is also too much rubbish and waste. Peo People are also littering in ______ like parks. This is turning beautiful places into ugly ones.
Unit 13 We’re trying to save the earth!
Section A (1a-2d)
Here are kinds of pollution.
Air pollution
Water pollution
Noise pollution
Light pollution
Land pollution
We should write to the _________ and ask them to ________ the factories. Everyone should help to _______ the river.
Practice
• Role-play the conversation(2d). • Discuss how to stop the pollutions.
Work alone
• 1 Sometimes people use chemicals much on their fields, so ____ is difficult to stop.
Listen to 2b and complete the sentence.
1. The air is badly polluted because there are ______ on land.
2. Factories that burn coal also _______ the air with a lot of black smoke.
• 2 Each year people pour waste into rivers, lakes and so on, so ___ is everywhere in China.
• 3 ___ makes people sick. It causes breathing problems and even cancer.
Project
• Observe environment around you and see whether there are pollutions . How are they produced? Make a report and give it to the government.
Listen to 1b and complete the sentences
What was the problem?
What caused the problem?
How should the problem be solved?
The river was _______. Even the botton of the river was full of _____. There were no more _____ for fishermen to catch.
• 4 In some cities there’s too much ___ caused by many cars. The government has done something useful to stop it.
• 5 __ is harmful to our eyes. • 6 ___ influences the look of our cities.
3. There is also too much rubbish and waste. Peo People are also littering in ______ like parks. This is turning beautiful places into ugly ones.
Unit 13 We’re trying to save the earth!
Section A (1a-2d)
Here are kinds of pollution.
Air pollution
Water pollution
Noise pollution
Light pollution
Land pollution