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26. -Sir, you must have witnessed the man who stole my car, haven’t you?

-No, Madam, I     a newspaper.

    A. read          B. was reading       C. would read      D. am reading

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25. She thought it was worthwhile for her to teach in the small village to make a     of the life of the children there.

    A. difference     B. sense          C. study          D. discovery

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24. I can’t thank you      much because without your help I     have won the first prize.

    A. too; wouldn’t                    B. very; shouldn’t

    C. that; might not                     D. so; couldn’t

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23. As he has been well trained, this young man is    to be a teacher.

    A. delighted       B. possible         C. qualified         D. unable

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22.      we can’t remove our trouble in life for ever, we can leave them behind when we are on vacation.

    A. When           B. While            C. Unless           D. Until

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第一节:语法和词汇知识(共15小题;每小题1分,满分15分)

21. It is    great shock for all of us to hear     news that three university students lost their lives because of saving others.

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

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22.(本小题满分14分)

已知函数

  (I)求函数的图象在处的切线方程;

  (II)求的最大值;

  (III)设实数,求函数上的最小值。

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21.(本小题满分12分)

某市旅游部门开发一种旅游纪念品,每件产品的成本是15元,销售价是20元,月平均销售件,通过改进工艺,产品的成本不变,质量和技术含金量提高,市场分析的结果表明,如果产品的销售价提高的百分率为,那么月平均销售量减少的百分率为,记改进工艺后,旅游部门销售该纪念品的月平均利润是(元)

  (I)写出的函数关系式;

  (II)改进工艺后,确定该纪念品的销售价,使旅游部门销售该纪念品的月平均利润最大

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