71.  Second, the medical facility also improved to a high level.

72.  With the developement of the agriculture and industry the food structure of people is improving.

73.  All of us will try our best to make a good condition to improve our health so that we can make more contribution to our society.

74.  First, with the development of society, people's living condition is improving, people can buy what they need, such as clothes, food, medicine ..

75.  , Second, science is improving too, it teaches people live in a scientifical way .

76.  Nowdays health is greatly improved as compared with the old days.

77.  One reason is that the living leval and style is greatly improved than before.

78.  At last , we must do our best to improve the people's living enviroment and make people live longer than before.

79.  The people's health of developings countries has improved very much.

80.  After 1960 life level was improved rapidly.