题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071517-40648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071517-78330.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071517-19753.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071517-33140.png)
A.![]() | B.![]() | C.![]() | D.以上全不对 |
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071518-33415.png)
答案
解析
解:由题知基本事件个数无限,组成的区域为周角,射线落在∠
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071517-33140.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071517-78330.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071518-89042.png)
答案:A.
核心考点
试题【如下图,在直角坐标系内,射线落在的终边上,任作一条射线,则射线落在∠内的概率是( ).A.B.C.D.以上全不对】;主要考察你对等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071509-47834.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071509-78824.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071509-56030.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071509-12974.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071509-90861.gif)
试求:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071510-79168.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071510-79168.gif)
![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071501-53460.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071501-62425.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071502-48042.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071502-17277.gif)
求使得△
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071502-45031.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071502-34755.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071502-28181.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-96154.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-82491.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-84835.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-31556.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-72008.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-23991.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-89796.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-89796.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-72008.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071455-76149.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071443-12907.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071443-50071.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071443-17206.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071443-13978.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071444-57541.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071427-63240.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191027/20191027071427-63240.gif)
最新试题
- 1关于物体的内能,下列说法不正确的是( )A.炽热的铁水有内能B.抛在空中的篮球具有内能C.物体的温度升高时,内能增加D
- 2信息匹配阅读下列应用文及相关信息,并按照要求匹配信息.首先,请阅读以下课程信息:A.Certified Employee
- 3中学化学教材中有大量数据,下列为某同学对数据的利用情况,其中不正确的是:A.用溶解度数据判断煮沸Mg(HCO3)2溶液得
- 4NA代表阿伏加德罗常数,下列说法正确的是( )A.标准状况下,22.4LCHCl3中含有的氯原子数目为3NAB.标准状
- 5现有如下器材:符合实验条件的电源、电压表、电流表、刻度尺、开关各一个,一根粗细均匀的合金丝和带有导电夹子的导线若干.请设
- 6要使sinα-3cosα=4m-64-m有意义,则m的取值范围( )A.(-∞,-73)B.[-1,+∞)C.[-1,
- 7【题文】选出对下列加点字的意义与用法判断正确的一项( )①有是哉,子之迂也
- 8在图中用线代表绳子,将两个滑轮连成省力的滑轮组,要求人用力往下拉绳使重物升起。
- 9下列分类等级所包含的生物,具有相同特征最多的是 [ ]A.属B.科C.纲D.目
- 10William found it increasingly difficult to read,for his eyes
热门考点
- 1如图,△ABC中,∠A=70°,BD=BE,CD=CF,则∠EDF的大小是[ ]A、65°B、55°C、125°
- 2已知函数(1)求的单调减区间;(2)若在区间[-2,2]上的最大值为20,求a的值.
- 3如图,等腰梯形ABCD中,AD∥BC,AE∥DC,∠B=60°,BC=3,△ABE的周长为6,则等腰梯形的周长是[
- 42004年上映了史诗巨片《特洛伊》,“特洛伊”的故事你一定很熟悉,根据你的了解,这部影片应当取材于 [ ]A.《
- 52011年下半年,温家宝总理在天津调研时强调,要对宏观经济政策适时适度进行预调微调,要重点解决经济运行中的突出矛盾和问题
- 6设复数z=1a+5+(a2+2a-15)i为实数时,则实数a的值是( )A.3B.-5C.3或-5D.-3或5
- 7已知圆,直线,点在直线上,过点作圆的切线、,切点为、.(Ⅰ)若,求点坐标;(Ⅱ)若点的坐标为,过作直线与圆交于、两点,当
- 8一些香味文具含有有害的甲醛,其化学式为CH2O,下列关于甲醛的说法不正确的 [ ]A.它是由碳、氢、氧三种元素组
- 9若且,则的值等于( )A. B.或-2 C.2 D.-2
- 10给下列加粗字注音。囊( ) 繁衍( ) 两栖( ) 蟾蜍( )