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最佳答案：Automotive Diesel Engine Emissions Control StrategyAbstractIn this paper,the pur
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最佳答案：Due to over explotation by humans and the discharge of large amount of greenhous
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最佳答案：Now people don't cherish water. They pour the used dirty water casually. The fac
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最佳答案：City of the living environment more and more bad, poor air quality, everywhere i
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最佳答案：One person's strengths is finite.the excessive output/emission of carbon dioxide
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最佳答案：Some people haven't realized the importance of water and often put trash into ri
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最佳答案：it can decrease greenhouse gases.We shouldn't left the light on when we are away
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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：翻译成英文是这样的：In the context of coordinated global response to climate change, low p
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最佳答案：Your career _____1. Have you ever concerned the problem of pollution caused by A