Unit 13 We are trying to save the earth
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课 题
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Unit 13 We are trying to save the earth! Section A (1)
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课时安排
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共（5）课时
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环
节
三
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IX. Reading
1. Read 2d and complete the chart.
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Problems
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Solving problems
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air pollution
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waste pollution
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wooden (木头的) chopsticks or plastic forks
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rubbish
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2. Role-play the conversation.
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