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最佳答案：discharge amount of carbon dioxide
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最佳答案：事实证明全球没有变暖,现在至以后20年全球会降温,二氧化碳没有危害.他危害不危害 要看太阳和地球的心情.
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最佳答案：One of the most serious problem in front of the world is the global warming.Ther
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最佳答案：With global environment deterioration more people choose Guo "low carbon life" t
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最佳答案：Today's society is a highly developed technological society.However,the shortcom
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最佳答案：摩托车尾气中的二氧化碳的排放量比汽车低百分之三十八The esmissions of the carbon dioxide in the motorcycle
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最佳答案：Emissions of carbon dioxide from motorcycles are 38% less than the emissions pro