2. support n. & v. 支持

1. mankind n. 人类

6. Mrs. Cousins ran to the table, picked up her baby in

　 her arms, ran inside and shut the door.

　　 ☆重点词汇☆

5. For one thing they keep the water clean. Also they

　　 make the tank look much better.

4. She was just about to open the window and shout at the

　 dog to frighten it, when she stopped and stood quite

　 still.

3. It took weeks to clear all the roads and to mend all the

　　 broken electricity lines and telephone lines.

2. If the hurricane had happened during the day-time,

　　 there would have been many more deaths.

1. One woman was lying in bed, awake, listening to the

　 rushing winds.

22．(本题满分14分)

设的极小值为－8，其导函数的图象经过点，如图所示。

　 (1)求的解析式；

　 　 (2)若对恒成立，求实数m的取值范围。

21．(本题满分12分)

已知函数，且.

(1)求函数在上的最小值；

(2)求的值域。