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最佳答案:城市的空气污染造成空气污浊,人们的发病率上升;水污染使水环境质量恶化,饮用水源的质量普遍下降,威胁人的身体健康,过度释放二氧化碳使全球变暖.Air pollut
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最佳答案:it seems that he does not like the ideait's kind of you to bring us food and wat
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最佳答案:In order to protect the safety of drinking water of the city,NYC started a mega