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最佳答案：As is encouraged to protecting the environment,Waste sorting is very necessary.I
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最佳答案：1.Garbage should be categorized by different types2.Garbage should be thrown int
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最佳答案：1 the method of dealing with rubbish:deal by category,recycle for reusing2 forbi
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最佳答案：We should sort out the rubbish.Making nappkin needs to cut down trees,but we nee