24.They are forbidden ________,for they are still middle school students.
A. to smoking |
B. to smoke |
C. smoked |
D.
smoke |
23.----I think this novel is ________ worth _______.It’s so interesting.
----I couldn’t agree more.
A. more; reading |
B. very; reading |
C. so; reading |
D. well; reading |
22.---What are you doing ,Jack?
---I’m making a model car. I _______ it in the science class at 10 o’clock tomorrow morning.
A. will be showing |
B. would show |
C. have shown |
D. show |
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答案。
21.___book I read yesterday is so interesting that I want to read it___ second time.
A. x; the |
B. The ;x |
C. The; a |
D. A; the |
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牡一中2009-2010学年下学期期末考试高一学年
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22、(本小题满分12分)在平面直角坐标系中,已知圆的圆心为,过点且斜率为的直线与圆相交于不同的两点.
(1)求的取值范围;
(2)是否存在常数,使得向量与共线?如果存在,求的值;如果不存在,请说明理由.
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21、(本小题满分12分)如图,在长方体中,,
点在棱上移动.
(1)证明:;
(2)当为的中点时,求点到面的距离;
(3)当等于何值时,二面角的大小为.
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