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
24. After a whole day’s discussion, the two sides finally made a .
A. agreement B. deal C. prediction D. judgement
23. The H1N1 virus will spread much faster people continue to travel as usual.
A. if B. unless C. until D. in case
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
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
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)若在上是增函数,求实数的取值范围。
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。
2. 程序:
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