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25.Televisions enable us to see things happen almost at the exact moment ______.

     A.which they are happening             B.when they are happening

     C.which they happen                    D.they have happened

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24.-Shall Henry come and play computer games?

     -No, _____ he has finished his homework.

     A.when           B.if               C.unless           D.once.

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23.The police suspected him of carrying guns so they ______ his car, but found nothing.

     A.looked up         B.turned in         C.searched for      D.went through

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22.-How did you find the long talk given by the headmaster on Teachers' Day?

     -_____.I'd rather he _____ it short.

     A.Very well; made                      B.Boring; had made

     C.Dull; made                          D.Exciting; had made

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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,并在答题卡上将该选项的标号涂黑。

例:It is generally considered unwise to give a child        he or she wants.

     A.however          B.whatever         C.whichever        D.whenever

     答案是B

21.In face of ______ failure, it is the most important to keep up ______ good state of mind.

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

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22.(本题满分14分)

已知二次函数

  (1)若在[-1,1]上至少存在一个实数m,使得求实数a的取值范围;

  (2)若对任意,都有,求实数a的取值范围。

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21.(本题满分12分)

     如图所示:将一矩形花坛ABCD扩建成一个更大的矩形花园AMPN,要求B在AM

以上,D在AN上,且对角线MN过C点。已知|AB|=3米,|AD|=2米。

  (1)要使矩形AMPN的面积大于32平方米,请问AN的长应在什么范围;

  (2)当AN的长度是多少时,矩形AMPN的面积最小,并求出最小面积。

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20.(本题满分12分)

     已知函数,直线的图

象都相切,且与函数的图象的切点横坐标为1。

  (1)求直线的方程及m的值;

  (2)若,求的单调区是及最值。

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