2012年6月英语六级作文范文：水的重要性

Directions：For this part,you are allowed 30 minutes to write a composition on the topic：Precious Water．You should write at least 150 words following the outline given below：
1．举例说明水对人类的重要性
2．举例说明我国所面临的水资源问题
3．为了生存和发展人们要……