0  437177  437185  437191  437195  437201  437203  437207  437213  437215  437221  437227  437231  437233  437237  437243  437245  437251  437255  437257  437261  437263  437267  437269  437271  437272  437273  437275  437276  437277  437279  437281  437285  437287  437291  437293  437297  437303  437305  437311  437315  437317  437321  437327  437333  437335  437341  437345  437347  437353  437357  437363  437371  447090 

25.     fresh air,people may start to feel sick.So make sure you open the windows while working.

   A.For the absence of                B.In the absence of

   C.In the honor of                    D.In the short of

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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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