Write an air pollution report in around 120 words and write it on the answer she

游客2024-08-16 47

问题 Write an air pollution report in around 120 words and write it on the answer sheet.

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答案 According to the charts, in general, the air pollution keeps decreasing from 2013 to 2015 among 74 major cities in China. 2013 saw the most serious air pollution, with 1688 heavy air pollution reported and 656 severe ones. The PM2. 5 index, being 72 micrograms per cubic meter, is also the highest in the three years. But the number of air pollution reports, as well as the PM2. 5 index, gradually drops, reaches the lowest in 2015. What’s more, among the heavy air pollution, the ratio of severe air pollution reported also declines year by year. From the two charts, we can see that the measures taken to deal with air pollution finally come into effect, which is a good phenomenon.

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