题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040250-28081.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040250-21447.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040250-68678.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
答案
解析
A中平行于同一平面的两直线的位置关系,有三种,
B中,垂直于同一直线的两直线也有3种位置关系
C中,举例排除不成立。
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040244-84889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040244-92853.png)
(I)求证:BC⊥平面ACFE;
(II)求二面角B-FE-D的平面角的余弦值。
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040244-34632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040225-62617.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040225-66450.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040225-41647.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040225-62617.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040226-44209.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040226-81592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040226-29210.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040226-10466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040227-41811.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040227-84420.png)
(Ⅰ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040227-69999.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040227-99264.png)
(Ⅱ)求二面角
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040228-48222.png)
(Ⅲ)在线段
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040228-73809.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040228-32825.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040228-39787.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040228-26839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040229-27632.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040229-44997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040220-49002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040220-59966.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040220-19402.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040221-75865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040221-26498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040221-68633.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040220-59966.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040221-12140.png)
A.0 | B.3 | C.4 | D.6 |
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040208-16777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-74968.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-38512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-40455.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-63785.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-78242.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-28202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-87591.png)
(Ⅰ)设平面
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-64157.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-14970.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-38512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040209-79861.png)
(Ⅱ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040210-16941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040210-23512.png)
(Ⅲ)设点
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040210-73073.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040210-62686.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040210-10032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040210-23512.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040210-67155.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040210-72142.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040150-65551.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040151-72597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040151-92607.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040151-80974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040152-51461.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040152-27308.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106040152-97897.jpg)
最新试题
- 1有“塞上江南”之称的是A.长江中下游平原B.华北平原C.东北平原D.宁夏平原和河套平原
- 2CCTV“广而告之”栏目曾播放过一段公益广告(如图),图中的电视机与其它用电器是______联连接的.通过插座接入电路的
- 3下列二次根式中,最简二次根式是[ ]A.B.C.D.
- 4空间有四个点,如果其中任意三个点不共线,则经过其中三个点的平面有 个
- 5下图的家庭理财方案中,既符合“不要把鸡蛋放在同一个篮子里的理财理念”,又符合“平时投入一滴水,难时拥有太平洋”广告语的方
- 6用反证法证明“a≥b”时应假设( )A.a<bB.a>bC.a=bD.a≤b
- 7下列各句中,没有语病的一句是[ ]A.曹操的性格具有双重性,他的雄才大略与奸诈凶狠对于任何一个扮演他的演员来说都
- 8I know nothing about the match I read in the newspape
- 9从A、B、C 三个选项中选出划线部分读音与其他不同的选项。小题1:A. behavior B. sa
- 10在南极上空看,飞机甲沿南极圈作逆时针方向飞行;在北极上空看,飞机乙沿着北极圈作顺时针飞行,这两架飞机的飞行方向:( )
热门考点
- 1某旅社现有客房120间,每间客房日租金为50元,每天都客满.旅社装修后要提租金,经调查发现若每间客房日租金每增加5元,每
- 2在统筹城乡发展中,垃圾作为代谢的产物变成了城乡发展的负担。传统垃圾处理方式主要是焚烧和掩埋。辽宁承天新能源股份有限公司几
- 3下图是温度自动报警器的原理图,它运用了许多物理知识。以下说法中不正确的是[ ]A.温度计中的水银是导体 B.温度
- 4有关我国河流的叙述,正确的是( )A.西北地区均为内流河B.外流区域河流深受夏季风影响C.南方河流汛期长、含沙量大D.
- 5如图所示,两个相同的轻质铝环套在一根水平光滑绝缘杆上,当一条形磁铁向左运动靠近两环时,两环的运动情况是 [ ]A
- 6______与-(-8)互为相反数.
- 7人的大脑每天能记录大约8600万条信息,数据8600万用科学计数法表示为( )。
- 8阅读下面的文字,完成小题。重返报界显雄风1895年创刊的《万国公报》,是中国近代的第一份报纸,由康有为出资创办,梁启超、
- 9_____ my toys. They are new.A. Here are B. Here isC. This is
- 10自觉接受人民监督是法治政府的基本要求。