First of all,all human beings,animals and plants need water to be alive,or they would die;
Sencond of all,we need water to wash dirty things,keep ourselves in good environment.
Thirdly,water can give us rain,snow and ice,such different view in different season.
In fact,according to some scientific report,about 70% of human body is made of water.And 70% of the surface of the Mother Earth is covered by water as well.
这篇不错,转载给你
