25. The Group of Eight (G8)______ the eight richest countries in the world.

A. is consisted of　 B. is made up of　 C. consist of　 D. consists in

24.----- I stayed awake _______ 12 o’clock to wait for my husband to come back last night.

------ Then you _____have had a good sleep, did you?

A. until; mustn’t　 B. till; can’t　 C. before; should　 D. when; would

23.Drilling oil well was ________ work that he couldn’t finish it by himself.

A. such difficult　 B. such a difficult　 C. so difficult a D. so difficult

22.Last week, only two people came to look at the house,________ wanted to buy it.

A. none of them　　 B. both of them　 C. none of whom　 D. neither of whom

第一节：单项填空(共15小题；每小题1分，共15分)

从A B C D四个选项中选出可以填入空白处的最佳选项。

21.Was it in the 1969____the American astronaut succeeded____ landing on the moon.

A. when; on　 B. that; on　 C. when; in　 D. that; in

22、(本题满分14分)已知，，

(1)当时，求函数的单调区间；

(2)若存在单调递减区间，求的取值范围。

福建省福州八县(市)一中09-10学年高二上学期期末联考

21、(本题满分12分)欲建一个圆柱形无盖的净水池，要求它的容积为，问如何选择它的直径和高，才能使所用的材料最省，最省为多少？

20、(本题满分12分)在平面直角坐标系中，直线与抛物线相交于,两点，

(1)求证：“如果直线过点，那么”是真命题；

(2)写出(1)中命题的逆命题，判断它是真命题还是假命题，并说明理由