第1个回答 2007-01-17
I want to invest to Mr. Li , population is more and more many because of I think of in the world , have a lot of incomplete arid area water , can not cultivate a crop and, people lives in poor middle , can not be full abdomen. Besides, water pollution is more and more grave, but drinking water falls off in course of rapidly, water resource problem will become new 21 centuries problems.