26. -Your flight is boarding now. We’ll have to part.
-Don’t feel blue. ______.
A. A still tongue makes a wise head
B. A single flower does not make a spring
C. All good things come to an end
D. All that glitters is not gold
25. The G20 summit (峰会) in London could be remembered as the turning point when the______ between the developing and developed world ends for ever.
A. tendency B. intention C. appreciation D. distinction
24. It was for this reason ______the new plan______ helping the people who are suffering from hunger.
A. that; aimed to B. why; was aiming at
C. that; was aimed at D. why;aiming to
23. - Shall I ______some music?
- You’d better not. I’m ______ on my lessons.
A. put on…bent B. put up…bending C. put in…bent D. put out…bending
22. - I won’t be home until mid-night.
- Well, ______, I won’t cook dinner.
A. if not B. as it is C. that is to say D. in that case
第一节:单项填空(共15小题;每小题1分,满分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,并在答题卡上将该项涂黑。
21. ______World Expo Shanghai 2010 is ______great event which is expecting around 70 million visitors and two hundred participants from all over the world.
A. The; the B. The; a C. A; a D. A; the
20.(本小题满分16分)已知函数.
(1)求证:在上是增函数;
(2)设, ,, .
①用数学归纳法证明:;
②证明: .
泰州市2008-2009学年度第二学期期末联考
19.(本小题满分16分)已知数列的首项为, .
(1)若为常数列,求的值;
(2)若为公比为的等比数列,求的解析式;
(3)数列能否成等差数列,使得对一切都成立.若能,求出数列的通项公式;若不能,试说明理由.