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Throw rubbish in the bins .
2. 技能目标: 能正确运用现在完成时，被动语态，情态动词和used to 句型。
3. 情感目标: 有环境危机意识，学会关注环境保护环境。
二、教学重难点：
1. 教学重点：（1）能正确运用现在完成时，被动语态，情态动词和used to 句型。（2）保护环境的措施方法。
2. 教学难点：能正确运用现在完成时，被动语态，情态动词和used to 句型。
三、教学步骤:
Sept1 Review
What kind of serious pollution do you know?
People are throwing litter into the river.
Factories are putting waste into the river.
The river was really dirty. Even the bottom of the river was full of rubbish.
There were no more fish for fishermen to catch.
We should write to the government and ask them close down the factories. Everyone should help to clean up the river.
Sept2 presentation
The weather is always foggy. We can’t see the blue sky. We can’t breathe the fresh air. Do you know why?
1. Factories burn coal also pollute the air with a lot of black smoke
2. There are more and more cars on the road these days. Cars pour dangerous gas into the air.
Sept3. Listening
2a Listen to the interview. Circle the kinds of pollution that Jason and
Susan talk about.
2b Listen again and complete the sentences.
1.The 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 away every day.
4. People are also littering in____________ like parks. Th is turns beautiful parks into ugly places.
Sept4 Pairwork
Use?the?information?in?2a?and?2b?to?role-play?conversations?between?Jason?and?Susan.?Jason:?The?air?has?become?really?polluted?around?here.?I’m?getting?very?worried.?
Susan:?Yes,?I?used?to?be?able?to?see?stars?in?the?sky.