题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042618-25220.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042619-23054.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042619-94379.png)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
答案
解析
试题分析:由
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042621-87156.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042621-17362.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042621-83062.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042622-70416.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042550-19836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042550-84186.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042551-96376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042551-60657.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042551-97748.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042551-83243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042551-96376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042552-43954.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042552-90828.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042552-62960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042552-38784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042553-39260.jpg)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042553-34589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042553-20386.png)
(2)求证:面
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042553-23224.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042553-86812.png)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042554-33914.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042551-83243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042554-51411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042554-45539.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042554-87838.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042555-13807.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042535-46527.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042536-98252.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042536-75128.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042536-85310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042536-75128.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042536-91096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042536-21506.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042536-36947.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042536-99995.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042537-89636.png)
(2)求证:平面
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042537-40721.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042537-22813.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042537-76960.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042519-54786.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042519-53245.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042519-67034.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042519-54786.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042520-82287.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042521-25929.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042521-61491.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042521-43948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042521-95137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042521-43392.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042521-71829.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042521-28375.png)
(2)求证:平面
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042522-84956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042522-50214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042522-53897.png)
(3)求二面角
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042522-15128.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042510-54760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042510-81933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042510-62441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042510-31961.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042510-41947.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042511-56648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042511-66576.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042511-26959.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042511-36117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042512-64995.png)
(1)请判断
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042512-71922.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042512-39848.png)
(2)证明
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042512-81355.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042513-39389.png)
(3)求四棱锥
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042513-66346.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042456-66809.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042456-37177.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042456-34370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042456-54870.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042456-50589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042456-84435.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-19286.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-49619.png)
(1)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-48480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-79134.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-19015.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-69055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-58193.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-58988.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-91852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-51403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022042457-19015.png)
最新试题
- 1长方形的长和宽的比为3:2,且周长为30,则长方形的长和宽______.
- 2解关于x的不等式:4-logax<logax-2 (a>0,a≠1).
- 3已知圆O的方程为x2+y2=4,P是圆O上的一个动点,若线段OP的垂直平分线总是被平面区域|x|+|y|≥a覆盖,则实数
- 4—How old is Nick? —______. [ ]A. He is eleven B. He
- 5完形填空。 Traffic means everything and everybody is
- 6If the prediction for the earthquake ________ more accurate,
- 7填写下列名篇名句中的空缺。(任选4句)(1)转轴拨弦三两声,________________。(白居易《琵琶行》)(2)
- 82013年4月20日,四川雅安发生里氏7.0级地震,救援队救援时,利用生命探测仪在某建筑物废墟下方探测到点C处有生命迹象
- 9在某时刻的阳光照耀下,身高160cm的小红同学的影长为80cm,她身旁的旗杆影长10m,则旗杆高为( )m。
- 10如图所示,A、B、C是相同的三盏灯,在滑动变阻器的滑动触头由c端向b端滑动的过程中(各灯都不被烧坏),各灯亮度的变化情况
热门考点
- 1已知圆C的方程为,点A,直线:(1)求与圆C相切,且与直线垂直的直线方程;(2)O为坐标原点,在直线OA上是否存在异于A
- 2John was cleaning the window and Mary was watching
- 3下列说法中正确的个数有( )①0是整数;②-13是分数;③2不是正数;④负分数是负有理数.A.1个B.2个C.3个D.
- 4正在拉二胡的一位同学不断用手指上下移动去控制琴弦,这样做的目的是( )A.使二胡发出不同的音调B.为了获得更好的音色C
- 5句型转换。1.昨天的天气如何? ________ ________ the weather ________ y
- 6文言文阅读。邹忌讽齐王纳谏(节选) 于是入朝见威王,曰:“臣诚知不如徐公美。臣之妻私臣,臣之妾畏臣,臣之客欲有求于臣,
- 7与圆C: x2+(y+5)2=3相切, 且横、纵截距相等的直线共有 (
- 8如果a<0,b<0,且>,则3b-2a是一个 [ ]A.负数 B.正数C.0
- 9直线的倾斜角为A.B.C.D.
- 10对放在水平桌面上的文具盒来说,下列各组力中属于一对相互作用力的是( )A.文具盒的重力和文具盒对桌面的压力B.文具盒的