题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043405-10564.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043405-79869.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043405-74387.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-96149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-20268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-59025.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:在平面
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043407-75944.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043408-66480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043408-10514.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043408-64119.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-96149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-20268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043408-83745.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-96149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-20268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043408-11430.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043409-73884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-96149.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043406-20268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043407-33405.png)
点评:简单题,直线与平面所成的角,就是,直线与其在平面内的射影所成的角。要注意“一作,二证,三计算”。
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043356-14516.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043356-34101.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043356-93980.png)
A.平面![]() ![]() | B.![]() ![]() |
C.平面![]() ![]() | D.平面![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043350-85388.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043350-71109.png)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043351-14285.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043351-28313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043351-47844.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043351-16850.png)
(4)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043351-82794.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043352-29245.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043352-20519.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043342-81836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043342-59742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043342-97624.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043342-61606.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043342-18550.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043343-71490.png)
(2)求异面直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043343-53570.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043343-60950.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043333-59536.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043333-93184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043333-47969.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043333-70249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043333-72604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043334-23256.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043334-19189.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043334-48188.png)
(1) 求二面角
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043334-57720.png)
(2) 当
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043335-69368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043335-26851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043335-35375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043326-62499.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043326-34455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022043327-68529.png)
_______________
最新试题
- 1用0.01 mol/LNaOH溶液完全中和pH = 3 的下列溶液各100 mL。需NaOH溶液体积最大的是 [
- 219世纪末20世纪初,世界经济互动的整体化趋势出现,资本主义世界市场最终形成。下列对其形成原因的认识正确的有 (
- 3Being _____ of the 21st century, we should display ourselves
- 4 It is so difficult a problem that ____ student in this clas
- 5读下图漫画,回答下列问题。(1)图中所反映的环境问题是_____________。若按照环境问题的性质分类,属于____
- 6(13分)阅读下列材料回答问题。材料一:下图为世界某国的地理分布略图。材料二:畜牧业在图中所示国家占有重要地位。该国主要
- 7Mount Heng is a place of interest with different kinds of __
- 8某学生制作的以下碱基对模型中,正确的是[ ]A.B.C.D.
- 9They _____ her to the party, so she was very happy.[ ]A.
- 101990年4月25日,科学家将哈勃天文望远镜送上距地球表面约600 km的高空,使得人类对宇宙中星体的观测与研究有了极大
热门考点
- 1在实验室我们也可以用右图所示的装置制取乙酸乙酯。回答下列问题:(1)在大试管中配制一定比例的乙醇、乙酸和浓硫酸的混合液的
- 2补写出下列名篇名句中的空缺部分。(任选3题,多选则按前3题计分)(6分)(1)潦水尽而寒潭清, 。
- 3已知函数f(x)对任意实数x,y恒有f(x+y)=f(x)+f(y)且当x>0,f(x)<0.又f(1)=-2.(1)判
- 4在下列各图的AABC中,正确画出AC边上的高的图形是( )A.B.C.D.
- 5设f(log2x)=2x(x>0),则f(2)的值是( )A.128B.16C.8D.256
- 6在世界经济现代化的第一次浪潮里,只有极少数国家成为赢家,少数国家紧紧跟进,多数国家仍然停滞在农业经济阶段。1820 ~1
- 72013年12月28日,春运火车票全面发售。目前来说最方便的车票分销方式莫过于网络直销,即电子车票。火车票网络服务可以解
- 8某个同学有一道判断题不会,他随便打了个“×”,他答对的概率为( )。
- 9某元素R的氯化物的化学式为RCl3,若在化合物中R的化合价不变,R的氧化物的化学式为______,R的氢氧化物的化学式为
- 10如图甲所示,O点为振源,OP=s,t=0时刻O点由平衡位置开始振动,产生沿直线向右传播的简谐横波,如图乙为P点从t1时刻