初中2年级 - 说明文 阅读指导

　　As we know,we need a lot of water to do plenty of things everyday.I can not imagine that if there is no water,what will happen?In fact, now people can be used not much water .
　　Why are there is not much water can be used?
　　First,many people need much water to drink in the world everyday!Then ，many factory every day to need to use a lot of water ，it can be said that water is industrial blood. And then, we need water to irrigate crops . it also can be said that water is the lifeblood of the crops .
　　If there is no water,it will no life in the Earth.So we should protect the water.