0  390633  390641  390647  390651  390657  390659  390663  390669  390671  390677  390683  390687  390689  390693  390699  390701  390707  390711  390713  390717  390719  390723  390725  390727  390728  390729  390731  390732  390733  390735  390737  390741  390743  390747  390749  390753  390759  390761  390767  390771  390773  390777  390783  390789  390791  390797  390801  390803  390809  390813  390819  390827  447090 

24.  While he was investigating ways to improve the telescope, Newton made ________ discovery which completely changed ________ man’s understanding of color.

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

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23.  It is reported that the police will soon ________ the case of the two missing children.

A. look upon    B. look after   C. look into    D. look out

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22.  Don’t be discouraged. ________ things as they are and you’ll enjoy every day of your life.

A. Taking     B. To take     C. Take       D. Taken

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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.  -Waiter, ________?

-Wait a minute, sir. That’s $ 80 altogether.

A. would you charge me        B. how much did we eat

C. may I have the bill, please?   D. would you take the money

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21.  (本小题满分12分)

已知:函数是R上的单调函数,且,对于任意都有成立.

(1)  求证:是奇函数;

(2)  若满足对任意实数恒成立,求k的范围.

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20.  (本小题满分12分)

已知奇函数的反函数的图象过点

(1)  求实数的值;

(2)  解关于x的不等式

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19.  (本小题满分12分)

已知二次函数,且

(1)  若函数x轴的两个交点之间的距离为2,求b的值;

(2)  若关于x的方程的两个实数根分别在区间内,求b的取值范围.

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