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《考研万能作文背诵版文本》(英文版)chapter 54. 55 POLLUTION AND HEALTH

healthy people are getting fewer and fewer two sides to the the world, I think. On one hand, the around are clean and beautiful, people liv have many advantages as mentioned and work happily and healthily. But as above. On the other hand, if we spend evervthing gets polluted, more and more too much time in front of the computers
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