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试卷年份:{{getYear('高三|高考模拟|河北|2017年')}}上传日期:2017-05-14题数:8
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题号:3641610
题型:选择题
难易度:较易
日期:2017-05-15
来源:【全国市级联考word】河北省保定市2017届高三二模理科数学试题
【题文】当双曲线
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image070.png)
的焦距取得最小值时,其渐近线的方程为( )
题号:3641613
题型:选择题
难易度:较难
日期:2017-05-15
来源:【全国市级联考word】河北省保定市2017届高三二模理科数学试题
【题文】在平面直角坐标系中,定义
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image103.png)
为两点
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image104.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image105.png)
之间的“折线距离”.则下列命题中:
①若
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image044.png)
点在线段
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image106.png)
上,则有
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image107.png)
.
②若点
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image042.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image043.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image044.png)
是三角形的三个顶点,则有
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image108.png)
.
③到
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image109.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image110.png)
两点的“折线距离”相等的点的轨迹是直线
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image100.png)
.
④若
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image042.png)
为坐标原点,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image043.png)
在直线
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image111.png)
上,则
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image112.png)
的最小值为
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image113.png)
.
真命题的个数为( )
题号:3641616
题型:填空题
难易度:一般
日期:2017-05-15
来源:【全国市级联考word】河北省保定市2017届高三二模理科数学试题
【题文】若直线
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image129.png)
与
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image130.png)
平行,则
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image131.png)
的展开式中
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image012.png)
的系数为__________.
题号:3641617
题型:填空题
难易度:较难
日期:2017-05-15
来源:【全国市级联考word】河北省保定市2017届高三二模理科数学试题
【题文】已知定义在
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image137.png)
上的函数
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image138.png)
的导函数
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image139.png)
是连续不断的,若方程
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image140.png)
无解,且
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image141.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image142.png)
,设
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image143.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image144.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image145.png)
,则
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image146.png)
的大小关系是__________.
题号:3641619
题型:解答题
难易度:一般
日期:2017-05-15
来源:【全国市级联考word】河北省保定市2017届高三二模理科数学试题
【题文】为了检验训练情况,武警某支队于近期举办了一场展示活动,其中男队员12人,女队员18人,测试结果如茎叶图所示(单位:分).若成绩不低于175分者授予“优秀警员”称号,其他队员则给予“优秀陪练员”称号.
(1)若用分层抽样的方法从“优秀警员”和“优秀陪练员”中共提取10人,然后再从这10人中选4人,那么至少有1人是“优秀警员”的概率是多少?
(2)若所有“优秀警员”中选3名代表,用
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image169.png)
表示所选女“优秀警员”的人数,试求
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image169.png)
的分布列和数学期望.
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image170.png)
题号:3641620
题型:解答题
难易度:一般
日期:2017-05-15
来源:【全国市级联考word】河北省保定市2017届高三二模理科数学试题
【题文】如图,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image041.png)
为边长为2的正三角形,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image191.png)
,且
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image192.png)
平面
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image057.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image193.png)
.
(1)求证:平面
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image194.png)
平面
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image195.png)
;
(2)求二面角
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image196.png)
的正弦值.
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image197.png)
题号:3641621
题型:解答题
难易度:一般
日期:2017-05-15
来源:【全国市级联考word】河北省保定市2017届高三二模理科数学试题
【题文】已知椭圆
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image044.png)
:
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image243.png)
的离心率为
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image039.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image244.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image245.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image246.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image247.png)
的面积为
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image248.png)
.
(1)求椭圆
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image044.png)
的方程;
(2)如图,设
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image249.png)
是椭圆
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image044.png)
在第二象限的部分上的一点,且直线
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image250.png)
与
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image125.png)
轴交于点
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image229.png)
,直线
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image251.png)
与
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image012.png)
轴交于点
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image252.png)
,求四边形
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image253.png)
的面积.
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image254.png)
题号:3641622
题型:解答题
难易度:较难
日期:2017-05-15
来源:【全国市级联考word】河北省保定市2017届高三二模理科数学试题
【题文】已知函数
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image282.png)
(1)求函数
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image138.png)
的极值;
(2)当
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image283.png)
时,过原点分别做曲线
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image284.png)
与
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image285.png)
的切线
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image286.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image287.png)
,若两切线的斜率互为倒数,求证:
![](http://static.zujuan.xkw.com/Upload/2017-05/15/ae1df393-235f-4596-995f-a6fa5a929828/paper.files/image288.png)
.