适用年级:{{getGradeNameByProperty('高三|高考模拟|广东|2014年')}} 试卷类型:{{getTestPaperTypeName('高三|高考模拟|广东|2014年')}} 使用省份:{{getAreaName('高三|高考模拟|广东|2014年')}}
试卷年份:{{getYear('高三|高考模拟|广东|2014年')}}上传日期:2014-04-28题数:21
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题号:927705
题型:选择题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】将正偶数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image005.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image079.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image043.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image080.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image081.png)
按表
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image031.png)
的方式进行排列,记
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image082.png)
表示第
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image003.png)
行和第
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image083.png)
列的数,若
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image084.png)
,则
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image085.png)
的值为( )
A.
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image100.png)
B.
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image101.png)
C.
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image102.png)
D.
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image103.png)
题号:927706
题型:选择题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】一个几何体的三视图如图,则该几何体的体积为( )
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image069.png)
题号:927707
题型:选择题
难易度:较易
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】有两张卡片,一张的正反面分别写着数字
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image030.png)
与
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image031.png)
,另一张的正反面分别写着数字
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image005.png)
与
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image032.png)
,将两张卡片排在一起组成一个两位数,则所组成的两位数为奇数的概率是( )
题号:927708
题型:选择题
难易度:容易
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】将函数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image024.png)
的图象向左平移
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image025.png)
个单位长度后得到函数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image026.png)
,则函数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image026.png)
( )
A.是奇函数 | B.是偶函数 |
C.既是奇函数又是偶函数 | D.既不是奇函数,也不是偶函数 |
题号:927709
题型:选择题
难易度:较易
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
题号:927710
题型:选择题
难易度:容易
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
题号:927711
题型:选择题
难易度:较易
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】若复数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image001.png)
满足
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image002.png)
,其中
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image003.png)
为虚数单位,则
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image001.png)
的虚部为( )
题号:4186323
题型:选择题
难易度:一般
日期:2014-05-08
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】设
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image045.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image046.png)
分别是椭圆
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image047.png)
的左、右焦点,点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image048.png)
在椭圆
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image049.png)
上,线段
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image050.png)
的中点在
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image051.png)
轴上,若
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image052.png)
,则椭圆的离心率为( )
题号:927698
题型:填空题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】在平行四边形
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image121.png)
中,点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image199.png)
在线段
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image128.png)
上,且
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image200.png)
,连接
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image201.png)
,若
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image202.png)
与
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image201.png)
相交于点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image203.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image204.png)
的面积为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image205.png)
,则
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image206.png)
的面积为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image207.png)
.
题号:927700
题型:填空题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】已知
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image158.png)
表示不超过
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image130.png)
的最大整数,例如
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image159.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image160.png)
.设函数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image161.png)
,当
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image162.png)
时,函数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image163.png)
的值域为集合
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image127.png)
,则
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image127.png)
中的元素个数为.
题号:927701
题型:填空题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】设
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image130.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image051.png)
满足约束条件
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image146.png)
,若目标函数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image147.png)
的最大值为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image080.png)
,则
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image148.png)
的最大值为.
题号:927702
题型:填空题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】已知四边形
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image121.png)
是边长为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image032.png)
的正方形,若
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image122.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image123.png)
,则
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image124.png)
的值为.
已知四边形
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image121.png)
是边长为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image125.png)
的正方形,若
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image122.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image123.png)
,则
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image124.png)
的值为.
题号:927703
题型:填空题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】已知
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image117.png)
的展开式的常数项是第
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image118.png)
项,则正整数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image104.png)
的值为.
题号:927704
题型:填空题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】不等式
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image114.png)
的解集为.
题号:4186324
题型:填空题
难易度:一般
日期:2014-05-08
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】已知定点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image423.png)
和直线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image424.png)
,过点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image203.png)
且与直线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image154.png)
相切的动圆圆心为点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image055.png)
,记点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image055.png)
的轨迹为曲线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image199.png)
.
(1)求曲线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image199.png)
的方程;
(2)若点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image127.png)
的坐标为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image425.png)
,直线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image426.png)
(
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image427.png)
,且
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image428.png)
)与抛物线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image429.png)
,相交于
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image430.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image049.png)
两点,直线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image128.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image202.png)
分别交直线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image431.png)
于点
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image432.png)
、
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image433.png)
试判断以线段
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image434.png)
为直径的圆是否恒过两个定点?若是,求这两个定点的坐标;若不是,说明理由.
题号:927693
题型:解答题
难易度:较难
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】已知函数
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image001.png)
在点
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image002.png)
处的切线方程为
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image004.png)
.
(1)求
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image005.png)
、
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image006.png)
的值;
(2)当
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image007.png)
时,
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image008.png)
恒成立,求实数
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image009.png)
的取值范围;
(3)证明:当
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image010.png)
,且
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image011.png)
时,
![](http://static.zujuan.xkw.com/Upload/2017-09/16/0fbecf38-6020-464d-b07e-91715a9f553e/paper.files/image012.png)
.
题号:927695
题型:解答题
难易度:较易
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】如图,在五面体
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image269.png)
中,四边形
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image121.png)
是边长为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image005.png)
的正方形,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image270.png)
平面
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image121.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image271.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image272.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image273.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image274.png)
.
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image275.jpg)
(1)求证:
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image276.png)
平面
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image277.png)
;
(2)求直线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image278.png)
与平面
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image279.png)
所成角的正切值.
题号:927696
题型:解答题
难易度:较难
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】一个盒子中装有大量形状大小一样但重量不尽相同的小球,从中随机抽取
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image240.png)
个作为样本,称出它们的重量(单位:克),重量分组区间为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image241.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image242.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image243.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image244.png)
,由此得到样本的重量频率分布直方图,如图
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image245.jpg)
(1)求
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image125.png)
的值;
(2)根据样本数据,试估计盒子中小球重量的平均值;
(注:设样本数据第
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image003.png)
组的频率为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image246.png)
,第
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image003.png)
组区间的中点值为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image247.png)
,则样本数据的平均值为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image248.png)
.)
(3)从盒子中随机抽取
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image032.png)
个小球,其中重量在
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image241.png)
内的小球个数为
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image249.png)
,求
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image249.png)
的分布列和数学期望.
题号:927697
题型:解答题
难易度:较易
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】如图,在
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image215.png)
中,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image216.png)
是边
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image202.png)
的中点,且
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image217.png)
,
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image218.png)
.
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image219.jpg)
(1)求
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image220.png)
的值;
(2)求
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image221.png)
的值.
题号:927699
题型:解答题
难易度:一般
日期:2014-04-28
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】在平面直角坐标系
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image187.png)
中,直线
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image188.png)
(
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image189.png)
为参数)与圆
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image190.png)
(
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image191.png)
为参数)相切,切点在第一象限,则实数
![](http://static.zujuan.xkw.com/Upload/2014-04/28/1c521369-08dc-40cf-955a-9be2c980c225/paper.files/image125.png)
的值为.
题号:3372578
题型:解答题
难易度:一般
日期:2017-02-21
来源:2014届广东省广州市普通高中毕业班综合测试二理科数学试卷(带解析)
【题文】已知数列
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image021.png)
的前
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image048.png)
项和为
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image056.png)
,且
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image285.png)
,对任意
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image286.png)
,都有
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image287.png)
.
(1)求数列
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image021.png)
的通项公式;
(2)若数列
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image088.png)
满足
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image288.png)
,求数列
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image088.png)
的前
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image048.png)
项和
![](http://static.zujuan.xkw.com/Upload/2017-02/21/0f8342fa-2cf8-4f80-8f08-a1414b5f62b7/paper.files/image289.png)
.