适用年级:{{getGradeNameByProperty('高三|高考模拟|广东|2013年')}} 试卷类型:{{getTestPaperTypeName('高三|高考模拟|广东|2013年')}} 使用省份:{{getAreaName('高三|高考模拟|广东|2013年')}}
试卷年份:{{getYear('高三|高考模拟|广东|2013年')}}上传日期:2013-05-10题数:21
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题号:1001307
题型:选择题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】将高一(6)班52名学生分成A,B两组参加学校组织的义务植树活动,A组种植150棵大叶榕树苗,B组种植200棵红枫树苗.假定A,B两组同时开始种植.每名学生种植一棵大叶榕树苗用时
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image064.png)
小时,种植一棵枫树苗用时
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image065.png)
小时.完成这次植树任务需要最短时间为( )
题号:1001308
题型:选择题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】已知函数
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image058.png)
是R上的奇函数,若对于
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image059.png)
,都有
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image060.png)
,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image061.png)
时,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image062.png)
的值为
A.![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image012.png) | B.![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image063.png) | C.1 | D.2 |
题号:1001309
题型:选择题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】已知, 圆
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image037.png)
内的曲线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image038.png)
与
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image039.png)
轴围成的阴影部分区域记为
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image040.png)
(如图),随机往圆内投掷一个点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image011.png)
,则点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image011.png)
落在区域
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image040.png)
的概率为( )
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image041.png)
A.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image042.png)
B .
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image043.png)
.C
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image044.png)
D
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image045.png)
题号:1001310
题型:选择题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】一空间几何体的三视图如右图所示,该几何体的体积为12π+
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image028.png)
,则正视图与侧视图中
x的值为( )
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image029.jpg)
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image011.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image013.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image017.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image018.png)
题号:1001311
题型:选择题
难易度:较易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
题号:1001332
题型:选择题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】若
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image008.png)
,为虚数单位,且
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image009.png)
,则
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image010.png)
( )
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image011.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image012.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image013.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image017.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image018.png)
题号:1001333
题型:选择题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】设全集
U=R,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image001.png)
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image002.png)
,则右图中阴影部分表示的集合为( ).
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image003.jpg)
题号:4191607
题型:选择题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】给出如下四个命题:
①若“
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image047.png)
且
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image048.png)
”为假命题,则
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image047.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image048.png)
均为假命题;
②命题“若
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image049.png)
,则
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image050.png)
”的否命题为“若
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image051.png)
,则
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image052.png)
”;
③“
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image053.png)
”的否定是“
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image054.png)
”;
④等比数列
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image055.png)
中,首项
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image056.png)
,则数列
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image055.png)
是递减数列的充要条件是公比
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image057.png)
;
其中不正确的命题个数是
题号:1001301
题型:填空题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】(几何证明选讲选做题)如图,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image120.png)
为圆
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image121.png)
的直径,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
为圆
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image121.png)
上一点,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image122.png)
和过
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
的切线互相垂直,垂足为
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image092.png)
,过
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image013.png)
的切线交过
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
的切线于
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image123.png)
,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image124.png)
交圆
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image121.png)
于
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image125.png)
,若
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image126.png)
,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image127.png)
,则
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image128.png)
=
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image129.png)
题号:1001302
题型:填空题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】(坐标系与参数方程选做题)在极坐标系中,过点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image117.png)
引圆
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image118.png)
的一条切线,则切线长为
.
题号:1001303
题型:填空题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】下面给出四种说法:
①下面给出四种说法:
①设
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image100.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image104.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image105.png)
分别表示数据
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image106.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image107.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image108.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image109.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image106.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image107.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image107.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image110.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image108.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image111.png)
的平均数、中位数、众数,则
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image112.png)
;
②在线性回归模型中,相关指数
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image113.png)
表示解释变量对于预报变量变化的贡献率,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image113.png)
越接近于1,表示回归的效果越好
③绘制频率分布直方图时,各小长方形的面积等于相应各组的组距;
④设随机变量
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image114.png)
服从正态分布
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image115.png)
,则
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image116.png)
.
其中正确的说法有
(请将你认为正确的说法的序号全部填写在横线上)
题号:1001304
题型:填空题
难易度:较易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】已知
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image098.png)
,使不等式
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image099.png)
成立,则实数
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image100.png)
的取值范围是
.
题号:1001305
题型:填空题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
题号:1001306
题型:填空题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
题号:4191608
题型:填空题
难易度:容易
日期:2013-05-11
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】设点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image092.png)
是双曲线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image093.png)
与圆
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image094.png)
在第一象限的交点,其中
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image095.png)
分别是双曲线的左、右焦点,若
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image096.png)
,则双曲线的离心率为______________.
题号:1001296
题型:解答题
难易度:较易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】设函数
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image306.png)
其中
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image307.png)
(1)若
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image308.png)
=0,求
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image309.png)
的单调区间;
(2)设
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image254.png)
表示
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image310.png)
与
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image311.png)
两个数中的最大值,求证:当0≤
x≤1时,|
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image312.png)
|≤
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image254.png)
.
题号:1001297
题型:解答题
难易度:较易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】已知椭圆
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image248.png)
的左右焦点为
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image249.png)
,抛物线C:
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image250.png)
以F
2为焦点且与椭圆相交于点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image251.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image252.png)
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image253.png)
,点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image254.png)
在
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image039.png)
轴上方,直线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image255.png)
与抛物线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
相切.
(1)求抛物线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
的方程和点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image254.png)
、
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image252.png)
的坐标;
(2)设A,B是抛物线C上两动点,如果直线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image256.png)
,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image257.png)
与
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image258.png)
轴分别交于点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image259.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image260.png)
是以
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image261.png)
,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image262.png)
为腰的等腰三角形,探究直线
AB的斜率是否为定值?若是求出这个定值,若不是说明理由.
题号:1001298
题型:解答题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】如图,过点P(1,0)作曲线C:
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image212.png)
的切线,切点为
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image213.png)
,设点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image213.png)
在
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image214.png)
轴上的投影是点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image215.png)
;又过点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image215.png)
作曲线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
的切线,切点为
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image216.png)
,设
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image216.png)
在
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image214.png)
轴上的投影是
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image217.png)
;………;依此下去,得到一系列点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image218.png)
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image219.png)
,设点
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image219.png)
的横坐标为
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image220.png)
.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image221.png)
(1)求直线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image222.png)
的方程;
(2)求数列
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image223.png)
的通项公式;
(3)记
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image219.png)
到直线
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image224.png)
的距离为
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image225.png)
,求证:
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image226.png)
时,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image227.png)
题号:1001299
题型:解答题
难易度:较易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】甲、乙两人在罚球线互不影响地投球,命中的概率分别为
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image151.png)
与
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image152.png)
,投中得1分,投不中得0分.
(1)甲、乙两人在罚球线各投球一次,求两人得分之和
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image114.png)
的数学期望;
(2)甲、乙两人在罚球线各投球二次,求甲恰好比乙多得分的概率.
题号:1001300
题型:解答题
难易度:容易
日期:2013-05-10
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image131.png)
的三个内角
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image132.png)
对应的三条边长分别是
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image133.png)
,且满足
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image134.png)
(1)求
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image015.png)
的值;
(2)若
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image135.png)
,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image136.png)
,求
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image137.png)
和
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image104.png)
的值.
题号:4191609
题型:解答题
难易度:容易
日期:2013-07-09
来源:2013届广东省韶关市高三4月第二次调研测试数学理科试卷(带解析)
【题文】如图甲,在平面四边形ABCD中,已知
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image172.png)
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image173.png)
,
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image174.png)
,现将四边形ABCD沿BD折起,使平面ABD
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image175.png)
平面BDC(如图乙),设点E、F分别为棱AC、AD的中点.
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image176.png)
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image177.png)
(1)求证:DC
![](http://static.zujuan.xkw.com/Upload/2013-05/10/91b6c1e7-e641-439e-a139-f39619645e50/paper.files/image175.png)
平面ABC;
(2)求BF与平面ABC所成角的正弦值;
(3)求二面角B-EF-A的余弦值.