问题描述：
英语口语话题讨论
Find two enviromental problems in China,and point out their cause,harms and solutions.
需要大概三四分钟的演讲稿,请各位英语达人帮帮忙,
Find two enviromental problems in China,and point out their cause,harms and solutions.
需要大概三四分钟的演讲稿,请各位英语达人帮帮忙,
问题解答：
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