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题号:1161174
题型:选择题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】函数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image048.gif)
的定义域为D,若对于任意
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image049.gif)
,当
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image050.gif)
时都有
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image051.gif)
,则称函数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image048.gif)
在D上为非减函数,设函数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image048.gif)
在[0,1]上为非减函数,且满足以下三个条件:①
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image052.gif)
;②
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image053.gif)
;③
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image054.gif)
,则
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image055.gif)
等于 ( )
题号:1161175
题型:选择题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】点
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image046.gif)
表示的平面区域内,则点P(2,t)到直线
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image047.gif)
距离的最大值为 ( )
题号:1161176
题型:选择题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】表面积为
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image041.gif)
的正八面体的各个顶点都在同一个球面上,则此球的体积为( )
题号:1161177
题型:选择题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】如图,过抛物线
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image036.gif)
焦点的直线依次交抛物线与圆
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image037.gif)
于点A、B、C、D,则
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image038.gif)
的值是( )
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image039.jpg)
A.8 B.4 C.2 D.1
题号:1161178
题型:选择题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】6个人分乘两辆不同的汽车,每辆车最少坐2人,则不同的乘车方法数为( )
题号:1161179
题型:选择题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】已知两个等差数列
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image027.gif)
和
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image028.gif)
的前
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image029.gif)
项和分别为A
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image030.gif)
和
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image031.gif)
,且
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image032.gif)
,则使得
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image033.gif)
为正偶数时,
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image029.gif)
的值是 ( )
题号:1161180
题型:选择题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】已知
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image001.png)
为互不重合的三个平面,命题
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image002.png)
若
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image003.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image004.png)
,则
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image005.png)
∥
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image006.png)
;命题
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image007.png)
若
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image005.png)
上不共线的三点到
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image008.png)
的距离相等,则
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image005.png)
∥
![](http://static.zujuan.xkw.com/Upload/2017-10/03/a9fd8ce0-51b9-4219-a37d-046832547171/paper.files/image008.png)
.对以上两个命题,下列结论中正确的是()
A.命题“ ”为真 | B.命题“ ”为假 |
C.命题“ ”为假 | D.命题“ ”为真 |
题号:1161181
题型:选择题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
题号:3684723
题型:选择题
难易度:一般
日期:2013-01-05
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】已知集合
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image008.gif)
,其中
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image009.gif)
,则下面属于M的元素是 ( )
A
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image010.gif)
B
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image011.gif)
C
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image012.gif)
D
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image013.gif)
题号:3684724
题型:选择题
难易度:一般
日期:2013-01-22
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】若函数f(x)的导函数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image034.gif)
,则使得函数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image035.gif)
单调递减的一个充分不必要条件是x∈ ( )
A.(0,1) | B.[0,2] | C.(2,3) | D.(2,4) |
题号:3684725
题型:选择题
难易度:一般
日期:2013-05-14
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】在样本的频率分布直方图中, 共有9个小长方形, 若第一个长方形的面积为0.02, 前五个与后五个长方形的面积分别成等差数列且公差互为相反数,若样本容量为160, 则中间一组(即第五组)的频数为 ( )
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image040.jpg)
题号:3684726
题型:选择题
难易度:一般
日期:2013-01-22
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
题号:1161171
题型:填空题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】已知点
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image080.gif)
的坐标满足
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image081.gif)
,设A(2,1), 则
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image082.gif)
(
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image083.gif)
为坐标原点)的最大值为
题号:1161172
题型:填空题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
题号:1161173
题型:填空题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】已知
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image073.gif)
的最小值为n,则二项式
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image074.gif)
展开式中常数项是第 项.
题号:3684727
题型:填空题
难易度:一般
日期:2013-01-22
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】在平面直角坐标系中,定义
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image084.gif)
为两点
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image085.gif)
,
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image086.gif)
之间的“折线距离”.在这个定义下,给出下列命题:
①到原点的“折线距离”等于
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image087.gif)
的点的集合是一个正方形;
②到原点的“折线距离”等于
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image087.gif)
的点的集合是一个圆;
③到
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image088.gif)
两点的“折线距离”之和为
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image089.gif)
的点的集合是面积为
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image090.gif)
的六边形;
④到
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image088.gif)
两点的“折线距离”差的绝对值为
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image087.gif)
的点的集合是两条平行线.
其中正确的命题是____________.(写出所有正确命题的序号)
题号:1161167
题型:解答题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】已知数列
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image263.gif)
,
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image028.gif)
满足
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image264.gif)
,其中
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image265.gif)
.
(Ⅰ)若
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image266.gif)
,求数列
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image263.gif)
的通项公式;
(Ⅱ)若
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image267.gif)
,且
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image268.gif)
.
(ⅰ)记
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image269.gif)
,求证:数列
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image270.gif)
为等差数列;
(ⅱ)若数列
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image271.gif)
中任意一项的值均未在该数列中重复出现无数次. 求首项
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image272.gif)
应满足的条件.
题号:1161168
题型:解答题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】设函数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image203.gif)
(Ⅰ)当
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image204.gif)
时,求
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image048.gif)
的最大值;
(Ⅱ)令
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image205.gif)
,(
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image206.gif)
),其图象上任意一点
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image207.gif)
处切线的斜率
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image208.gif)
≤
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image209.gif)
恒成立,求实数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image160.gif)
的取值范围;
(Ⅲ)当
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image210.gif)
,
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image211.gif)
,方程
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image212.gif)
有唯一实数解,求正数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image213.gif)
的值.
题号:1161169
题型:解答题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】象棋比赛中,胜一局得2分,负一局得0分,和棋一局得1分,在甲对乙的每局比赛中,甲胜、和、负的概率依次为0.5,0.3,0.2.现此二人进行两局比赛,得分累加。
(I)求甲得2分的概率;
(II)记甲得分为
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image128.gif)
的分布列和期望
题号:1161170
题型:解答题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】已知函数
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image091.gif)
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image092.gif)
.
(Ⅰ)若
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image093.gif)
,求
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image048.gif)
的最大值;
(Ⅱ)在
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image094.gif)
中,若
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image095.gif)
,
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image096.gif)
,求
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image097.gif)
的值
题号:3684728
题型:解答题
难易度:一般
日期:2012-08-01
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】如图,正方形
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image140.gif)
所在平面与圆
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image083.gif)
所在平面相交于
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image141.gif)
,线段
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image141.gif)
为圆
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image083.gif)
的弦,
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image142.gif)
垂直于圆
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image083.gif)
所在平面,垂足
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image143.gif)
是圆
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image083.gif)
上异于
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image144.gif)
.
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image145.gif)
的点,
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image146.gif)
,圆
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image083.gif)
的直径为9.
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image147.jpg)
(I)求证:平面
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image148.gif)
平面
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image149.gif)
;
(II)求二面角
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image150.gif)
的平面角的正切值.
题号:3684729
题型:解答题
难易度:一般
日期:2011-04-13
来源:2011届河北省衡水中学高三下学期第一次调研考试理科数学卷
【题文】设椭圆C1:
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image174.gif)
的左、右焦点分别是F1、F2,下顶点为A,线段OA的中点为B(O为坐标原点),如图.若抛物线C2:
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image175.gif)
与y轴的交点为B,且经过F1,F2点.
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image176.gif)
(Ⅰ)求椭圆C1的方程;
(Ⅱ)设M(0,
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image177.gif)
),N为抛物线C2上的一动点,过点N作抛物线C2的切线交椭圆C1于P、Q两点,求
![](http://static.zujuan.xkw.com/Upload/2011-04/13/c77c2854-e6e5-405a-aed0-1dea5a52b903/paper.files/image178.gif)
面积的最大值.