1.  The most important one is through mass media.

2.  After two mouthes , I found when you read English you needn't know each word but the important one .

3.  But the most important one is the water pollution.

4.  To the last , the important one is water used in industry has been increased greatly, and the polution in water is very serious.

5.  For people's living, we must realize the global shortage of fresh water at first; The second one, we must control the use of the fresh water reasonablly ; The third one, also the important one, we must protect the sourse of fresh water in any way .

6.  The best important one is the health of the people.

7.  Life expectancy was about 40 years old in 1960, while 60 years old in 1990.

8.  Infant mortaility , which is 250 deaths per 1000 births in 1960, has Decreased to about 100 deaths per 1000 births in 1990.

9.  The reasons that caused the improvement include so many , the most important one of which is economy .

10.  The last one and the most important one is that the fake commodities May cause more metal result.