网友回答：
we cannot survive on the earth. the world population is growing rapidly day by day. so enough fresh water is needed to feed such a big population. what s more，水资源_650字，请谈谈你的看法， the world will be prosperous. a good amount of it can no longer be used. only
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
