| 1. 听力题 | |
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听录音，给下列单词排序
A 、coal B 、Earth C 、oil |
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| 2. 听力题 | |
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听录音，给下列单词排序
A 、paper B 、plastic C 、wood |
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| 3. 听力题 | |
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听录音，给下列单词排序
A 、bottle B 、paper C 、bag |
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| 4. 听力题 | |
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听录音，给下列单词排序
A 、wood B 、table C 、chair |
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| 5. 听力题 | |
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听录音，给下列单词排序
A 、clean B 、dirty C 、wet |
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| 6. 听力题 | |
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选出你所听到的单词
We should not use plastic bags. |
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| 7. 听力题 | |
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选出你所听到的单词
We use water to clean things. |
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| 8. 听力题 | |
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选出你所听到的单词
We should not waste water. |
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| 9. 听力题 | |
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选出你所听到的单词
The Earth is our home. |
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| 10. 听力题 | |
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选出你所听到的单词
There are trees and flowers on it. |
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