31.  In normal life, people pay no care in using fresh water because they think there are great deal of raining water, riverwater , well water on the earth.

32.  If there are no rivers, people can drill a hole and use water from underground.

33.  I think, first, we must must use the water with more cares and mustn't waste water.

34.  Furthermore, fresh water is less than before now, for more fresh water is used by factories, and a lot of fresh water is polluted, for instance, the water in Xingjian is not fit for drinking now .

35.  People often think that fresh water can't be used out.

36.  First, I think, is to educate people to use fresh water economically.

37.  Consquently , many people use fresh water in a wasted way.

38.  We must use fresh water in a right way.

39.  We can use the water from rain, rivers, wells and lakes and so on.

40.  People must use water every day.