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试卷年份:{{getYear('高三|高考模拟|广东|2015年')}}上传日期:2015-05-14题数:21
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题号:838686
题型:选择题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市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/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image114.png)
是函数
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image115.png)
的图象上一点,向量
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image116.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image117.png)
,且
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image118.png)
.
数列
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image119.png)
是公差不为0的等差数列,且
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image120.png)
,则
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image121.png)
( )
题号:838687
题型:选择题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】已知两定点
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image073.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image074.png)
,若直线
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image075.png)
上存在点
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image076.png)
,使得
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image077.png)
,则称直线
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image075.png)
为“
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image076.png)
型直线”.给出下列直线:①
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image001.png)
;②
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image078.png)
;③
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image079.png)
;④
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image080.png)
;⑤
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image081.png)
.其中是“
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image076.png)
型直线”的条数为( )
题号:838688
题型:选择题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】如图,圆锥的底面直径
![](http://static.zujuan.xkw.com/Upload/2015-05/15/0e559607-ce2a-4ff0-a54b-1b596abc7ed7/paper.files/image001.png)
,母线长
![](http://static.zujuan.xkw.com/Upload/2015-05/15/0e559607-ce2a-4ff0-a54b-1b596abc7ed7/paper.files/image002.png)
,点
![](http://static.zujuan.xkw.com/Upload/2015-05/15/0e559607-ce2a-4ff0-a54b-1b596abc7ed7/paper.files/image003.png)
在母线
![](http://static.zujuan.xkw.com/Upload/2015-05/15/0e559607-ce2a-4ff0-a54b-1b596abc7ed7/paper.files/image004.png)
上,且
![](http://static.zujuan.xkw.com/Upload/2015-05/15/0e559607-ce2a-4ff0-a54b-1b596abc7ed7/paper.files/image005.png)
,有一只蚂蚁沿圆锥的侧面从点
![](http://static.zujuan.xkw.com/Upload/2015-05/15/0e559607-ce2a-4ff0-a54b-1b596abc7ed7/paper.files/image006.png)
到达点
![](http://static.zujuan.xkw.com/Upload/2015-05/15/0e559607-ce2a-4ff0-a54b-1b596abc7ed7/paper.files/image003.png)
,则这只蚂蚁爬行的最短距离是( )
![](http://static.zujuan.xkw.com/Upload/2015-05/15/0e559607-ce2a-4ff0-a54b-1b596abc7ed7/paper.files/image007.png)
题号:838689
题型:选择题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市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/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image046.png)
,若在区间
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image047.png)
上任取一个实数
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image048.png)
,则使
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image049.png)
成立的概
率为( )
题号:838690
题型:选择题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】函数
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image024.png)
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image025.png)
的图象的一部分如图1所示,则此函数的解析
式为( )
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image026.png)
题号:838691
题型:选择题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市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/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image016.png)
则
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image017.png)
( )
题号:838712
题型:选择题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市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/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image005.png)
,则下列不等关系式中正确的是( )
题号:838713
题型:选择题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】命题“若
![](http://static.zujuan.xkw.com/Upload/2017-09/21/3eb9968b-cdaa-4096-8962-4edff80f9149/paper.files/image001.png)
,则
![](http://static.zujuan.xkw.com/Upload/2017-09/21/3eb9968b-cdaa-4096-8962-4edff80f9149/paper.files/image002.png)
”的逆否命题是()
题号:838680
题型:填空题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】(坐标系与参数方程选做题)在平面直角坐标系中,已知曲线
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image238.png)
和
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image239.png)
的方程分别为
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image240.png)
(
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image205.png)
为参数)和
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image241.png)
(
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image205.png)
为参数),则曲线
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image238.png)
和
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image239.png)
的交点有
个.
题号:838681
题型:填空题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】在边长为1的正方形
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image001.png)
中,以
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image002.png)
为起点,其余顶点为终点的向量分别为
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image003.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image004.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image005.png)
;以
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image006.png)
为起点,其余顶点为终点的向量分别为
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image007.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image008.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image009.png)
.若
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image010.png)
为
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image011.png)
的最小值,其中
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image012.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/15/82bc05e0-fd8e-4ce0-822d-723d0146a430/paper.files/image013.png)
,则
.
题号:838682
题型:填空题
难易度:一般
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】5名志愿者中安排4人在周六、周日两天参加社区公益活动.若每天安排2人,则不同的安排
方案共有_________种(用数字作答).
题号:838683
题型:填空题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
题号:838684
题型:填空题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】执行如图所示的程序框图,则输出的
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image140.png)
的值是
.
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image141.png)
题号:838685
题型:填空题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
题号:4182633
题型:填空题
难易度:较易
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】(几何证明选讲选做题)如图,在平行四边形
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image001.png)
中,
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image002.png)
,点
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image003.png)
为边
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image004.png)
的中点,
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image005.png)
与
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image006.png)
的延长线交于点
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image007.png)
,且
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image005.png)
平分
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image008.png)
,作
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image009.png)
,垂足为
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image010.png)
,若
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image011.png)
,则
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image012.png)
的长为
.
![](http://static.zujuan.xkw.com/Upload/2015-05/15/19a70ae2-9a38-4b89-8da3-a31ec20a5a0a/paper.files/image013.png)
题号:838674
题型:解答题
难易度:较难
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】(本小题满分14分)已知函数
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image495.png)
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image496.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image497.png)
(其中
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image498.png)
为自然对数的底数).
(1)若函数
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image037.png)
在区间
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image409.png)
内是增函数,求实数
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image252.png)
的取值范围;
(2)当
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image499.png)
时,函数
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image128.png)
的图象
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image058.png)
上有两点
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image500.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image501.png)
,过点
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image302.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image502.png)
作图象
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image058.png)
的切线分
别记为
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image503.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image504.png)
,设
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image503.png)
与
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image504.png)
的交点为
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image505.png)
,证明
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image506.png)
.
题号:838675
题型:解答题
难易度:一般
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】已知圆心在
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image001.png)
轴上的圆
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image002.png)
过点
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image003.png)
和
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image004.png)
,圆
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image005.png)
的方程为
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image006.png)
.
(1)求圆
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image002.png)
的方程;
(2)由圆
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image005.png)
上的动点
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image007.png)
向圆
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image002.png)
作两条切线分别交
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image008.png)
轴于
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image009.png)
两点,求
![](http://static.zujuan.xkw.com/Upload/2017-09/08/7b15003d-f5ca-46a7-b43d-fb74e2eba572/paper.files/image010.png)
的取值范围.
题号:838676
题型:解答题
难易度:较难
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】(本小题满分14分)已知点
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image394.png)
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image395.png)
在直线
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image075.png)
:
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image396.png)
上,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image397.png)
是直线
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image075.png)
与
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image098.png)
轴的
交点,数列
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image119.png)
是公差为1的等差数列.
(1)求数列
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image119.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image398.png)
的通项公式;
(2)求证:
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image399.png)
.
题号:838677
题型:解答题
难易度:一般
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】(本小题满分14分)如图,已知六棱柱
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image307.png)
的侧棱垂直于底面,侧棱长与底面边长都为3,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image076.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image308.png)
分别是棱
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image309.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image310.png)
上的点,且
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image311.png)
.
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image312.png)
(1)证明:
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image076.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image308.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image313.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image314.png)
四点共面;
(2)求直线
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image213.png)
与平面
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image315.png)
所成角的正弦值.
题号:838678
题型:解答题
难易度:困难
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】(本小题满分12分)某市为了宣传环保知识,举办了一次“环保知识知多少”的问卷调查活动(一
人答一份).现从回收的年龄在20~60岁的问卷中随机抽取了
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image280.png)
份,统计结果如下面的图表所示.
组号
| 年龄 分组
| 答对全卷 的人数
| 答对全卷的人数 占本组的概率
|
1
| [20,30)
| 28
| ![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image253.png)
|
2
| [30,40)
| 27
| 0.9
|
3
| [40,50)
| 5
| 0.5
|
4
| [50,60]
| ![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image252.png)
| 0.4
|
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image281.png)
(1)分别求出
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image282.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image253.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image254.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image283.png)
的值;
(2)从第3,4组答对全卷的人中用分层抽样的方法抽取6人,在所抽取的6人中随机抽取2人授予“环
保之星”,记
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image284.png)
为第3组被授予“环保之星”的人数,求
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image284.png)
的分布列与数学期望.
题号:838679
题型:解答题
难易度:一般
日期:2015-05-14
来源:2015届广东省广州市高中毕业班综合测试二理科数学试卷(带解析)
【题文】(本小题满分12分)已知△
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image251.png)
的三边
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image252.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image253.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image254.png)
所对的角分别为
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image061.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image255.png)
,
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image058.png)
,且
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image256.png)
.
(1)求
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image257.png)
的值;
(2)若△
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image251.png)
的面积为
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image258.png)
,求△
![](http://static.zujuan.xkw.com/Upload/2015-05/14/df41d9d7-73b2-4e76-9c8c-add180c52c5c/paper.files/image251.png)
外接圆半径的大小.