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题号:762308
题型:选择题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】正三角形
![](http://static.zujuan.xkw.com/Upload/2017-04/03/fc960f76-9c70-4c22-a75f-71669655bec3/paper.files/image001.png)
的边长为2,将它沿高
![](http://static.zujuan.xkw.com/Upload/2017-04/03/fc960f76-9c70-4c22-a75f-71669655bec3/paper.files/image002.png)
翻折,使点
![](http://static.zujuan.xkw.com/Upload/2017-04/03/fc960f76-9c70-4c22-a75f-71669655bec3/paper.files/image003.png)
与点
![](http://static.zujuan.xkw.com/Upload/2017-04/03/fc960f76-9c70-4c22-a75f-71669655bec3/paper.files/image004.png)
间的距离为
![](http://static.zujuan.xkw.com/Upload/2017-04/03/fc960f76-9c70-4c22-a75f-71669655bec3/paper.files/image005.png)
,此时四面体
![](http://static.zujuan.xkw.com/Upload/2017-04/03/fc960f76-9c70-4c22-a75f-71669655bec3/paper.files/image006.png)
外接球表面积为( )
题号:762309
题型:选择题
难易度:困难
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】定义在
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image001.png)
上的函数
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image002.png)
对任意
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image003.png)
都有
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image004.png)
,且函数
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image005.png)
的图象关于
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image006.png)
成中心对称,若
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image007.png)
满足不等式
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image008.png)
,则当
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image009.png)
时,
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a16cb8ab-9c5a-40a7-83d9-b9a887129d39/paper.files/image010.png)
的取值范围是( )
题号:762310
题型:选择题
难易度:一般
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】已知圆
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a2140cab-dcfd-494d-923b-de8822e6993f/paper.files/image001.png)
:
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a2140cab-dcfd-494d-923b-de8822e6993f/paper.files/image002.png)
,圆
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a2140cab-dcfd-494d-923b-de8822e6993f/paper.files/image003.png)
:
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a2140cab-dcfd-494d-923b-de8822e6993f/paper.files/image004.png)
,椭圆
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a2140cab-dcfd-494d-923b-de8822e6993f/paper.files/image005.png)
:
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a2140cab-dcfd-494d-923b-de8822e6993f/paper.files/image006.png)
,若圆
![](http://static.zujuan.xkw.com/Upload/2017-04/03/a2140cab-dcfd-494d-923b-de8822e6993f/paper.files/image007.png)
都在椭圆内,则椭圆离心率的范围是( )
题号:762311
题型:选择题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】若
![](http://static.zujuan.xkw.com/Upload/2017-04/03/1141c0b4-c8f2-4653-b525-97019d08feac/paper.files/image001.png)
,则
![](http://static.zujuan.xkw.com/Upload/2017-04/03/1141c0b4-c8f2-4653-b525-97019d08feac/paper.files/image002.png)
的值是( )
题号:762312
题型:选择题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
题号:762313
题型:选择题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】在某次联考数学测试中,学生成绩
![](http://static.zujuan.xkw.com/Upload/2017-04/03/1f35f669-faab-4b3d-878c-5b62e21e7e98/paper.files/image001.png)
服从正态分布
![](http://static.zujuan.xkw.com/Upload/2017-04/03/1f35f669-faab-4b3d-878c-5b62e21e7e98/paper.files/image002.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-04/03/1f35f669-faab-4b3d-878c-5b62e21e7e98/paper.files/image003.png)
,若
![](http://static.zujuan.xkw.com/Upload/2017-04/03/1f35f669-faab-4b3d-878c-5b62e21e7e98/paper.files/image001.png)
在
![](http://static.zujuan.xkw.com/Upload/2017-04/03/1f35f669-faab-4b3d-878c-5b62e21e7e98/paper.files/image004.png)
内的概率为0.8,则落在
![](http://static.zujuan.xkw.com/Upload/2017-04/03/1f35f669-faab-4b3d-878c-5b62e21e7e98/paper.files/image005.png)
内的概率为( )
题号:762314
题型:选择题
难易度:容易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】两个等差数列的前
![](http://static.zujuan.xkw.com/Upload/2017-04/03/d22beede-c67d-4579-9498-5c6b053065d6/paper.files/image001.png)
项和之比为
![](http://static.zujuan.xkw.com/Upload/2017-04/03/d22beede-c67d-4579-9498-5c6b053065d6/paper.files/image002.png)
,则它们的第7项之比为( )
A.2 | B.3 | C.![](http://static.zujuan.xkw.com/Upload/2017-04/03/d22beede-c67d-4579-9498-5c6b053065d6/paper.files/image003.png) | D.![](http://static.zujuan.xkw.com/Upload/2017-04/03/d22beede-c67d-4579-9498-5c6b053065d6/paper.files/image004.png) |
题号:762315
题型:选择题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】执行如图所示的程序框图,输出的结果是( )
![](http://static.zujuan.xkw.com/Upload/2017-04/03/71ffd317-7067-4276-8606-4d6b3072c331/paper.files/image001.png)
题号:762317
题型:选择题
难易度:一般
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】下列四个函数中,在
![](http://static.zujuan.xkw.com/Upload/2017-04/03/6d1907ba-2243-4523-bbc7-c69f3abc6633/paper.files/image001.png)
处取得极值的函数是( )
①
![](http://static.zujuan.xkw.com/Upload/2017-04/03/6d1907ba-2243-4523-bbc7-c69f3abc6633/paper.files/image002.png)
;②
![](http://static.zujuan.xkw.com/Upload/2017-04/03/6d1907ba-2243-4523-bbc7-c69f3abc6633/paper.files/image003.png)
;③
![](http://static.zujuan.xkw.com/Upload/2017-04/03/6d1907ba-2243-4523-bbc7-c69f3abc6633/paper.files/image004.png)
;④
![](http://static.zujuan.xkw.com/Upload/2017-04/03/6d1907ba-2243-4523-bbc7-c69f3abc6633/paper.files/image005.png)
题号:762318
题型:选择题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】如图,复平面上的点
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image010.png)
到原点的距离都相等,若复数
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image011.png)
所对应的点为
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image012.png)
,则复数
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image013.png)
(
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image014.png)
是虚数单位)的共轭复数所对应的点为( )
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image015.png)
题号:762319
题型:选择题
难易度:容易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
题号:3915532
题型:选择题
难易度:容易
日期:2017-07-27
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】已知变量
![](http://static.zujuan.xkw.com/Upload/2017-07/27/7c7f79f3-17ca-49a1-97c8-40b5d32e4163/paper.files/image045.png)
满足:
![](http://static.zujuan.xkw.com/Upload/2017-07/27/7c7f79f3-17ca-49a1-97c8-40b5d32e4163/paper.files/image046.png)
,则
![](http://static.zujuan.xkw.com/Upload/2017-07/27/7c7f79f3-17ca-49a1-97c8-40b5d32e4163/paper.files/image047.png)
的最大值为( )
A.![](http://static.zujuan.xkw.com/Upload/2017-07/27/7c7f79f3-17ca-49a1-97c8-40b5d32e4163/paper.files/image048.png) | B.![](http://static.zujuan.xkw.com/Upload/2017-07/27/7c7f79f3-17ca-49a1-97c8-40b5d32e4163/paper.files/image049.png) | C.2 | D.4 |
题号:762305
题型:填空题
难易度:一般
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】用
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image196.png)
表示自然数
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image053.png)
的所有因数中最大的那个奇数,例如:9的因数有1,3,9,
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image197.png)
的因数有1,2,5,10,
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image198.png)
,那么
.
题号:762306
题型:填空题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】已知向量
![](http://static.zujuan.xkw.com/Upload/2017-04/03/abfa8008-843f-4822-bd8d-09380f85adc9/paper.files/image001.png)
与
![](http://static.zujuan.xkw.com/Upload/2017-04/03/abfa8008-843f-4822-bd8d-09380f85adc9/paper.files/image002.png)
的夹角为
![](http://static.zujuan.xkw.com/Upload/2017-04/03/abfa8008-843f-4822-bd8d-09380f85adc9/paper.files/image003.png)
,且
![](http://static.zujuan.xkw.com/Upload/2017-04/03/abfa8008-843f-4822-bd8d-09380f85adc9/paper.files/image004.png)
,若
![](http://static.zujuan.xkw.com/Upload/2017-04/03/abfa8008-843f-4822-bd8d-09380f85adc9/paper.files/image005.png)
且
![](http://static.zujuan.xkw.com/Upload/2017-04/03/abfa8008-843f-4822-bd8d-09380f85adc9/paper.files/image006.png)
,则实数
![](http://static.zujuan.xkw.com/Upload/2017-04/03/abfa8008-843f-4822-bd8d-09380f85adc9/paper.files/image007.png)
的值为__________.
题号:762307
题型:填空题
难易度:一般
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】一个几何体的三视图如图所示,该几何体体积为
.
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image166.png)
题号:3440044
题型:填空题
难易度:一般
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】已知双曲线
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image182.png)
的半焦距为
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image105.png)
,过右焦点且斜率为1的直线与双曲线的右支交于两点,若抛物线
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image183.png)
的准线被双曲线截得的弦长是
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image184.png)
(
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image185.png)
为双曲线的离心率),则
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image185.png)
的值为
.
题号:762277
题型:解答题
难易度:较难
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】选修4-5:不等式选讲
(1)已知函数
![](http://static.zujuan.xkw.com/Upload/2017-04/03/d7a730bc-53d0-4874-8f6f-516fa0424578/paper.files/image001.png)
,求
![](http://static.zujuan.xkw.com/Upload/2017-04/03/d7a730bc-53d0-4874-8f6f-516fa0424578/paper.files/image002.png)
的取值范围,使
![](http://static.zujuan.xkw.com/Upload/2017-04/03/d7a730bc-53d0-4874-8f6f-516fa0424578/paper.files/image003.png)
为常函数;
(2)若
![](http://static.zujuan.xkw.com/Upload/2017-04/03/d7a730bc-53d0-4874-8f6f-516fa0424578/paper.files/image004.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-04/03/d7a730bc-53d0-4874-8f6f-516fa0424578/paper.files/image005.png)
,求
![](http://static.zujuan.xkw.com/Upload/2017-04/03/d7a730bc-53d0-4874-8f6f-516fa0424578/paper.files/image006.png)
的最大值.
题号:762278
题型:解答题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】选修4-4:坐标系与参数方程
在平面直角坐标系
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image472.png)
中,直线
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image348.png)
的参数方程为
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image473.png)
(
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image290.png)
为参数),在以原点
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image451.png)
为极点,
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image022.png)
轴正半轴为极轴的极坐标中,圆
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image145.png)
的方程为
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image474.png)
.
(1)写出直线
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image348.png)
的普通方程和圆
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image145.png)
的直角坐标方程;
(2)若点
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image260.png)
坐标
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image475.png)
,圆
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image145.png)
与直线
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image348.png)
交于
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image346.png)
两点,求
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image476.png)
的值.
题号:762279
题型:解答题
难易度:一般
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】选修4-1:几何证明选讲
如图,直线
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image450.png)
与⊙
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image451.png)
相切于点
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image452.png)
是⊙
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image451.png)
的弦,
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image453.png)
的平分线
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image454.png)
交⊙
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image451.png)
于点
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image145.png)
,连接
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image455.png)
,并延长与直线
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image450.png)
相交于
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image456.png)
点.
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image457.png)
(1)求证:
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image458.png)
;
(2)若
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image459.png)
,求弦
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image349.png)
的长.
题号:762280
题型:解答题
难易度:困难
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】设函数
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image385.png)
.
(1)求函数
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image110.png)
的单调区间;
(2)若函数
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image110.png)
有两个零点,求满足条件的最小正整数
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image386.png)
的值;
(3)若方程
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image387.png)
有两个不相等的实数根
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image388.png)
,比较
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image389.png)
与0的大小.
题号:762301
题型:解答题
难易度:困难
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】如图,已知椭圆
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image001.png)
,点
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image002.png)
是它的两个顶点,过原点且斜率为
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image003.png)
的直线
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image004.png)
与线段
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image005.png)
相交于点
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image006.png)
,且与椭圆相交于
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image007.png)
两点.
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image008.png)
(1)若
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image009.png)
,求
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image003.png)
的值;
(2)求四边形
![](http://static.zujuan.xkw.com/Upload/2017-04/03/9e0b3c9c-d28c-43b8-9117-76731bf90683/paper.files/image010.png)
面积的最大值.
题号:762302
题型:解答题
难易度:困难
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】如图1,在边长为4的菱形
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image001.png)
中,
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image002.png)
,
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image003.png)
于点
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image004.png)
,将
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image005.png)
沿
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image006.png)
折起到
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image007.png)
的位置,使
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image008.png)
,如图2.
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image009.png)
(1)求证:
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image010.png)
平面
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image011.png)
;
(2)求二面角
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image012.png)
的余弦值;
(3)判断在线段
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image013.png)
上是否存在一点
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image014.png)
,使平面
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image015.png)
平面
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image016.png)
?若存在,求出
![](http://static.zujuan.xkw.com/Upload/2017-04/02/16f10c09-26d3-47e2-b477-036fa5e6bc4f/paper.files/image017.png)
的值;若不存在,说明理由.
题号:762303
题型:解答题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】某厂商调查甲、乙两种不同型号电视机在10个卖场的销售量(单位:台),并根据这10个卖场的销售情况,得到如图所示的茎叶图.
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image001.png)
为了鼓励卖场,在同型号电视机的销售中,该厂商将销售量高于数据平均数的卖场命名为该型号电视机的“星级卖场”.
(1)当
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image002.png)
时,记甲型号电视机的“星级卖场”数量为
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image003.png)
,乙型号电视机的“星级卖场”数量为
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image004.png)
,比较
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image005.png)
的大小关系;
(2)在这10个卖场中,随机选取2个卖场,记
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image006.png)
为其中甲型号电视机的“星级卖场”的个数,求
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image006.png)
的分布列和数学期望;
(3)若
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image007.png)
,记乙型号电视机销售量的方差为
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image008.png)
,根据茎叶图推断
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image009.png)
为何值时,
![](http://static.zujuan.xkw.com/Upload/2017-04/02/746da5dd-23b2-46bc-9e04-d987a8a1bec5/paper.files/image008.png)
达到最小值.(只需写出结论)
题号:762304
题型:解答题
难易度:较易
日期:2016-03-29
来源:【百强校】2016届河北省衡水中学高三下学期二调考试理科数学试卷(带解析)
【题文】在锐角
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image220.png)
中,角
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image221.png)
所对的边分别为
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image195.png)
,
已知
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image222.png)
.
(1)求角
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image223.png)
的大小;
(2)求
![](http://static.zujuan.xkw.com/Upload/2016-03/29/e9d75857-dc27-4909-97ec-7fd8c7c3a891/paper.files/image220.png)
的面积.