0  253570  253578  253584  253588  253594  253596  253600  253606  253608  253614  253620  253624  253626  253630  253636  253638  253644  253648  253650  253654  253656  253660  253662  253664  253665  253666  253668  253669  253670  253672  253674  253678  253680  253684  253686  253690  253696  253698  253704  253708  253710  253714  253720  253726  253728  253734  253738  253740  253746  253750  253756  253764  447090 

25.   Mom promised to buy me a nice gift for my birthday,     beyond my imagination.

A. the one        B. that       C. which     D. something

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24.       in a famous university is what most students wish for.

A. To educate     B. Educated      C. Being educated D. Educating

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23.   I wonder what it feels like to be one of _____ really rich. The Browns already have two Rolls-Royces and now they are buying ______ third.

A. the ; a         B. 不填;a      C. the; the        D. 不填;the

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22.   -“Neal, listen,” she said, looking straight at him. “I ask you not to get_____ in this kind of matter.”

-“It’s none of your business.”

A. caught        B. attached       C. involved       D. connected

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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.  After staying in hospital for long, the patient was advised to go to the seaside to _____ his health.

A. take on        B. pick up        C. carry on       D. make up

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21.. (14分) 对于定义域为的函数,如果同时满足以下三条:①对任意的,总有;②;③若,都有成立,则称函数为理想函数.

(1) 若函数为理想函数,求的值;

(2)判断函数是否为理想函数,并予以证明;

(3)(理做文不做) 若函数为理想函数,假定,使得,且,求证

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20.(13分)设函数

(1)求函数的单调区间;

(2)当时,不等式恒成立,求实数的取值范围;

(3)(理做文不做)关于的方程上恰有两个相异实根,求的取值范围.

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19.(12分) 设曲线≥0)在点M(t, )处的切线与x轴y轴所围成的三角形面积为S(t)。    

(Ⅰ)求切线的方程;   (Ⅱ)求S(t)的最大值。

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