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25.The high-tech helmet(头盔),     to the player’s head , makes the computer game more fun.

   A. to attach     B. attached      C. attach       D. attaching

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24. After a whole day’s discussion, the two sides finally made a      .

   A. agreement     B. deal        C. prediction     D. judgement

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23. The H1N1 virus will spread much faster    people continue to travel as usual.

   A. if         B. unless       C. until       D. in case

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22. Receiving a report that the place crashed,      the government took measures.

   A. at no time               B. in no time

   C. at a time                D. of all time

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第一节  单项填空(共15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。

21.Although their new factory building is still under      construction, we have already placed     order for 200 pairs of shoes.

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

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22. (14分)

   已知

   (I)若,求的表达式;

   (II)若函数和函数的图像关于原点对称,求函数的解析式;

   (III)若上是增函数,求实数的取值范围。

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21. (12分)

   已知函数

   (I)求函数的单调递减区间;

     (II)将函数 图像向右平移个单位后得到的图像,求使函数为偶函数的的最小值。

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2. 程序:

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