题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092511-56363.png)
A.p![]() ![]() | B.p![]() ![]() |
C.p![]() ![]() | D.p![]() ![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092511-56363.png)
核心考点
试题【由命题p:“函数y=是奇函数”,与命题q:“数列a,a2,a3,…, a n,…是等比数列”构成的复合命题中,下列判断正确的是( )A.pq为假,pq为假B】;主要考察你对四种命题等知识点的理解。[详细]
举一反三
①若平面
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092500-11563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092500-36031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092501-85424.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092501-68441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092501-48429.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092501-56236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092502-87744.png)
②
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092502-32919.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092502-12232.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092502-35647.png)
③过空间任一点,可以做两条直线和已知平面
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092500-11563.png)
④平面
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092500-11563.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092500-36031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092502-47974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092503-75322.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092500-36031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092503-74293.png)
其中正确的命题是( )
A.①② | B.①②③ | C.①②④ | D.①④ |
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092446-13794.png)
①函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092446-64056.png)
②函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092446-64056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092446-72077.png)
③点
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092447-74663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092446-64056.png)
④函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092446-64056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092447-47376.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092447-52019.png)
其中是真命题的是 (把正确结论的序号都填在横线上).
A.命题“![]() ![]() ![]() ![]() |
B.命题“p∧q为真”是命题“p∨q为真”的必要不充分条件; |
C.若“![]() ![]() |
D.若实数x,y∈[-1,1],则满足![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092416-12545.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092416-51276.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092416-40886.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092406-54817.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102092406-95956.png)
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