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最佳答案：contribute my share to to the development of the environment cause
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最佳答案：看我的!As the world environment becomes wosen, human beings face environmental poll
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最佳答案：It can not only promote the development of the city,but also can bringbetter liv
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最佳答案：Because the environment is closely related to us,we should do our best to preven
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最佳答案：The environment is all physical conditions which and the spiritual condition sum
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最佳答案：economic develops fastpeople's living level has improved a lotThe environment is
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最佳答案：Sustainable development is the core of development, which requires strict contro
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最佳答案：With the development of economy,the deterioration of the environment is accelera
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最佳答案：no matter how busy he is ,as long as neighours need ,he will come to help2Cities
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最佳答案：In 1997,the United Nations Commission on Environment and Development defines sus