0  265533  265541  265547  265551  265557  265559  265563  265569  265571  265577  265583  265587  265589  265593  265599  265601  265607  265611  265613  265617  265619  265623  265625  265627  265628  265629  265631  265632  265633  265635  265637  265641  265643  265647  265649  265653  265659  265661  265667  265671  265673  265677  265683  265689  265691  265697  265701  265703  265709  265713  265719  265727  447090 

24.The couple finally bought the house they wanted, for they     enough money.

    A.had saved       B.were saving     C.would save      D.were to save

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23.You look so tired. You     have stayed up late again.

    A.should         B.can           C.may           D.must

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22.- Has Tom already finished his new story?

    - I Have no idea. He     it last month.

    A.had written      B.was writing     C.would write     D.wrote

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第一节  单项填空(共15小题;每小题1分,共15分)

    从每题所给的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。

例:It’s so nice to hear from her again.     , we last met more than thirty years ago.

    A.What’s more     B.That’s to say     C.In other words   D.Believe it or not

    答案是D。

21.To write your report, you may refer to books 19th  century Englist literature.

    A.from          B.in             C.about          D.at

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22.(本小题满分12分)

已知直线所经过的定点恰好是椭圆的一个焦点,且椭圆上的点到点的最大距离为3.

(Ⅰ)求椭圆的标准方程;

(Ⅱ)已知圆,直线.试证明:当点在椭圆上运动时,直线与圆恒相交,并求直线被圆所截得弦长的取值范围.

(Ⅲ)设直线与椭圆交于两点,若直线轴于点,且,当变化时,求 的值;  

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21.(本小题满分12分)

已知函数处有两上不同的极值点,设在点处切线为其斜率为;在点利的切线为,其斜率为

(1)若 的值

(2)若,求的取值范围。

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20.(本小题满分12分)

设各项为正的数列的前项和为且满足:

(Ⅰ)求(Ⅱ)若求证:

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