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试卷年份:{{getYear('高三|高考模拟|河北|2016年')}}上传日期:2016-05-31题数:24
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题号:745207
题型:选择题
难易度:较难
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】已知实数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image136.png)
,直线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image137.png)
与抛物线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image138.png)
和圆
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image139.png)
从上到下的交点依次为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image140.png)
,则
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image141.png)
的值为( )
题号:745208
题型:选择题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】如图,已知平面
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image108.png)
,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image109.png)
是直线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image110.png)
上的两点,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image111.png)
是平面
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image112.png)
内的两点,且
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image113.png)
.
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image098.png)
是平面
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image114.png)
上的一动点,且直线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image115.png)
与平面
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image114.png)
所成角相等,则二面角
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image116.png)
的余弦值的最小值是( )
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image117.png)
题号:745209
题型:选择题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】已知
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image098.png)
是
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image031.png)
所在平面内一点,现将一粒豆(大小忽略不计)随机撒在
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image031.png)
内,则此豆落在
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image099.png)
内的概率是( )
题号:745210
题型:选择题
难易度:一般
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】若等比数列
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image086.png)
的各项均为正数,且
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image087.png)
为自然对数的底数),则
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image088.png)
( )
题号:745211
题型:选择题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】运行下面的程序框图,输出的结果是( )
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image070.png)
题号:745212
题型:选择题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
题号:745213
题型:选择题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】已知
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image050.png)
则
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image051.png)
的值为( )
题号:745214
题型:选择题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】一个几何体的三视图如图所示,则该几何体的体积为( )
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image043.png)
题号:745215
题型:选择题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】命题
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image029.png)
,命题
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image030.png)
在
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image031.png)
中,若
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image032.png)
,则
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image033.png)
.下列命题为真命题的是( )
题号:745216
题型:选择题
难易度:容易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】设函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image024.png)
,则
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image025.png)
( )
A.既是奇函数又是减函数 | B.既是奇函数又是增函数 |
C.是增函数且有零点 | D.是减函数且没有零点 |
题号:745217
题型:选择题
难易度:容易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】设
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image015.png)
是虚数单位,复数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image016.png)
为纯虚数,则实数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image017.png)
的值为( )
题号:745238
题型:选择题
难易度:容易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
题号:745175
题型:填空题
难易度:一般
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】已知实数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image505.png)
,函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image506.png)
的最大值为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image052.png)
.
(I)求
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image507.png)
的值;
(II)设函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image508.png)
,若对于
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image509.png)
,均有
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image510.png)
,求
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image017.png)
的取值范围.
题号:745203
题型:填空题
难易度:一般
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】已知数列
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image086.png)
的各项均为正整数,对于
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image179.png)
,有
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image180.png)
其中
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image170.png)
为正整数,若存在
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image181.png)
,当
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image182.png)
时且
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image183.png)
为奇数时,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image184.png)
恒为常数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image034.png)
,则
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image034.png)
的值为_____.
题号:745204
题型:填空题
难易度:一般
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】已知函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image163.png)
,若过点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image164.png)
可作曲线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image165.png)
的两条切线,且点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image166.png)
不在函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image025.png)
的图象上,则实数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image167.png)
的值为______.
题号:745205
题型:填空题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】某高校安排
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image158.png)
名大学生到
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image053.png)
个单位实习,每名大学生去一个单位,每个单位至少安排一名大学生,则不同的安排方法的种数为_____.(用数字作答)
题号:745206
题型:填空题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】已知双曲线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image150.png)
的一条渐近线方程为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image151.png)
,则实数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image152.png)
的值为______.
题号:745176
题型:解答题
难易度:一般
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】在极坐标系中,曲线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image480.png)
的极坐标方程为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image481.png)
,以极点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image256.png)
为坐标原点,极轴为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image125.png)
轴非负半轴建立平面直角坐标系,曲线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image482.png)
的参数方程为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image483.png)
.
(I)求曲线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image480.png)
的直角坐标方程;
(II)若
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image484.png)
时,曲线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image482.png)
上对应点记为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image098.png)
,过点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image098.png)
作
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image482.png)
的切线与曲线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image480.png)
相交于
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image485.png)
两点,求线段
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image240.png)
中点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image166.png)
与点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image098.png)
之间的距离.
题号:745177
题型:解答题
难易度:一般
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】如图,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image446.png)
内接于⊙
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image256.png)
,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image447.png)
,弦
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image448.png)
交线段
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image238.png)
于
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image239.png)
,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image239.png)
为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image238.png)
的中点,在点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image302.png)
处作圆的切线与线段
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image449.png)
的延长线交于
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image364.png)
,连接
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image450.png)
.
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image451.png)
(I)求证:
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image452.png)
;
(II)若
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image453.png)
,⊙
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image256.png)
的半径
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image454.png)
为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image455.png)
,求切线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image456.png)
的长.
题号:745198
题型:解答题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】设函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image406.png)
为自然对数的底数.
(I)当
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image407.png)
时,函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image165.png)
在点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image408.png)
处的切线为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image110.png)
,证明:除切点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image408.png)
外,函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image165.png)
的图像恒在切线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image110.png)
的上方;
(II)当
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image409.png)
时,设
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image410.png)
是函数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image411.png)
图像上三个不同的点,求证:
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image031.png)
是钝角三角形.
题号:745199
题型:解答题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】已知椭圆
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image362.png)
的左、右焦点分别为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image363.png)
,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image364.png)
为该椭圆上任意一点,且
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image365.png)
的最大值为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image366.png)
.
(I)求椭圆
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image239.png)
的离心率;
(II)已知椭圆的上顶点为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image367.png)
,动直线
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image368.png)
与椭圆
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image239.png)
交于不同的两点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image369.png)
,且
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image370.png)
,过
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image302.png)
作
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image371.png)
于点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image304.png)
,求动点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image304.png)
的轨迹方程.
题号:745200
题型:解答题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】为了引导居民合理用水,某市决定全面实施阶梯水价.阶梯水价原则上以住宅(一套住宅为一户)的月用水量为基准定价,具体划分标准如下表:
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image333.jpg)
从本市随机抽取了
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image334.png)
户家庭,统计了同一月份的月用水量,得到下面茎叶图:
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image335.jpg)
(I)现要在这
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image334.png)
户家庭中任意选取
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image052.png)
家,求取到第二阶梯水量的户数
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image336.png)
的分布列与数学期望;
(II)用抽到的
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image334.png)
户家庭作为样本估计全市的居民用水情况,从全市依次随机抽取
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image334.png)
户,若抽到
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image337.png)
户月用水量为二阶的可能性最大,求
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image337.png)
的值.
题号:745201
题型:解答题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】如图,四棱锥
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image234.png)
的底面
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image235.png)
为矩形,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image236.png)
,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image237.png)
,点
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image098.png)
在底面上的射影在
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image238.png)
上,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image239.png)
是
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image240.png)
的中点.
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image241.png)
(I)证明:
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image242.png)
平面
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image243.png)
;
(II)若
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image244.png)
,且
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image245.png)
与面
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image246.png)
所成的角的正弦值为
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image247.png)
,求二面角
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image248.png)
的余弦值.
题号:745202
题型:解答题
难易度:较易
日期:2016-05-31
来源:【百强校】2016届河北省石家庄市高三二模理科数学试卷(带解析)
【题文】在
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image031.png)
中,
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image195.png)
分别是角
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image196.png)
所对的边,且满足
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image197.png)
.
(I)求
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image198.png)
的值;
(II)若
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image199.png)
,求
![](http://static.zujuan.xkw.com/Upload/2016-05/31/d884f912-3ed9-4c68-b6a7-ef328533a692/paper.files/image031.png)
的面积.