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最佳答案：Protect environment, is everyone's responsibility.（保护环境,人人有责.）Trees and flowers
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最佳答案：Environmental problems are becoming more and more serious all over the world.For
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最佳答案：Environmental protection Starts With Me
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最佳答案：Let's protect the enviorment,we only have one earth
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最佳答案：Each person need to pay more attention on environment.Currently ,many trees were
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最佳答案：不知道这样是不是简单了一点..Trees are best friends of humans,planting trees is for protecting
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最佳答案：we should do our best to protect the environment
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最佳答案：Protect environment is very important
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最佳答案：am the part of the Green OlympicsLadies and gentlemen:good morning!Today, my spe
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最佳答案：Protect the environment - start from minor matter around us环境保护-私たちの身のまわりの小さなことか