题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034929-26126.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034929-89313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034929-35599.png)
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
答案
解析
试题分析:若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034930-21561.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034930-55679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034930-32411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034931-90476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034931-41004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034930-55679.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034931-70932.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034931-82248.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034931-41004.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034930-12937.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034930-32411.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034931-90476.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034917-16179.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034917-98573.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034917-33853.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034917-98573.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-92889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-80956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-15141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-11281.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-17668.png)
(1) 求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-33009.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-73384.png)
(2) 求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-78463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034918-11475.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-60760.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-28507.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-32333.png)
①若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-47808.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-68418.png)
②若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-88648.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034907-47524.png)
③若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-68418.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-47808.png)
④若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034907-47524.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034906-88648.png)
其中正确命题的个数是( )
A.1 | B.2 | C.3 | D.4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034851-14577.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034851-48180.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034851-44132.png)
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034846-12119.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-47452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034843-40329.png)
①若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-47452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-47452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-47452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-47452.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034843-40329.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034843-40329.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
④若
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034843-40329.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034843-40329.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-53983.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022034842-36889.png)
A.①② | B.②③ | C.①④ | D.③④ |
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