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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

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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

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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

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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

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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

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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

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20.(本题满分16分)设函数().

(1)当时,的最小值为,求的值;

(2)当时,设是函数图象上的两个动点,且在处的两切线互相平行,求证:直线必过定点,并求出此定点的坐标.

泰州市2008-2009学年度第二学期期末联考

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19.(本题满分16分)已知

(1)若,求证:

(2)设,求的值;

(3)设,是否存在,使得,若存在,求出,并证明你的结论;若不存在,请说明理由.

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