短文排序。

A. So we see that breathing is even more important than drinking, and drinking is more important than eating.

B. But if he does not breathe, he can keep alive for only about three minutes.

C. We drink water several times a day.

D. Three things are necessary for us to keep alive. What are they?

E. We breathe air day and night.

F. If a man does not eat any food and does not drink anything, he can live for about three days.

G. They are air, water and food. We eat food two or three times a day .

湖南有个农民形象地说：“我们农民吃饭靠‘两平’，一个是邓 * * ，另一个是袁隆平，袁隆平获得如此评价的主要原因是他[ ]

A．率先在农村推行经济体制改革

B．为我国核武器的研制做出了重大贡献

C．发明了大量高效的农业机械

D．成功培育出”籼型杂交水稻“良种