1.  In addition the industrial waste water is let out into the rivers, polluting fresh water.

2.  Since the increasing number of population, industrial using water, and pollution.

3.  The second one is that industrial water's quantity is increasing, which makes a lot of waste water.

4.  First, we should slow down industrial water.

5.  Secondly, the industrial water increases.

6.  Moreover, the industrial water is used increasly .

7.  The reasons mainly lie in the increase of the population and amount for industrial water and water pollution.

8.  We must control the birth-rate of population , reduce and recycle the industrial water and reduce the water pollution.

9.  With the development of population, the numble of industrial water and living water has been increased.

10.  At the same time, the industrial water are increased, which will take up a lot of fresh water for drinking.