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24.-Tom is said to have been accused of mismanagement.

   -It’s not fair.I don’t think him the person       for what happened.

   A.to be blamed                              B.to blame

   C.blamed                                     D.blame

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23.In the character-training of children,what really     much is what their parents

   say and do.

   A.matters           B.concerns          C.cares               D.minds

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22.In face of     failure,we should keep up    good state of mind instead of being depressed. 

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

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第一节:从下面每个句子后面所给的A、B、C、D四个选项中选出一个最佳答案。(共15小题,每小题1分,计15分)

21.     your worries with the friend you trust,-you will feel relieved.

A.Share                                     B.To share          

C.Sharing                                    D.Having shared

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20、已知函数和点,过点作曲线的两条切线,切点分别为

(Ⅰ)设,试求函数的表达式;

   (Ⅱ)是否存在,使得三点共线.若存在,求出的值;若不存在,请说明理由.

(Ⅲ)在(Ⅰ)的条件下,若对任意的正整数,在区间内总存在个实数,使得不等式成立,求的最大值.

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19、设函数

.对于正项数列,其前

  (1)求实数   (2)求数列的通项公式

  (3)若大小,并说明理由。

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18、将函数在区间内的全部极值点按从小到大的顺序排成数列.

(Ⅰ)求数列的通项公式;

(Ⅱ)设,求证:.

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17、设为常数).当时,,且上的奇函数.

(Ⅰ)若,且的最小值为,求的表达式;

(Ⅱ)在(Ⅰ)的条件下,上是单调函数,求的取值范围.

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