题目
题型:不详难度:来源:
(理)已知命题
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132654-41787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-20464.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-62438.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-81405.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-96605.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-16629.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-30689.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-51499.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-44317.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-56400.gif)
(文)已知命题
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132654-41787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-60733.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-31173.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-96605.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-16629.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-30689.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-51499.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-44317.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-56400.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-56400.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-54729.gif)
(文)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-56400.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132658-21815.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132654-41787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-20464.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132658-90897.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-81405.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132658-71361.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132658-92046.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132659-77450.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-81405.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132659-68829.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132659-89097.gif)
综上
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132700-50373.gif)
若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-96605.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-30689.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132700-94878.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132700-97590.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132701-45379.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132701-73033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132701-93452.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132701-40856.gif)
若命题“
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-51499.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-44317.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132654-41787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-96605.gif)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-56400.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-54729.gif)
(文)若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132654-41787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-60733.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132702-88148.gif)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132702-39529.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132702-10406.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132702-10637.gif)
若
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-96605.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-30689.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132700-94878.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132700-97590.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132701-45379.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132701-73033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132701-93452.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132701-40856.gif)
若命题“
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-51499.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132656-44317.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132654-41787.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132655-96605.gif)
所以
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132657-56400.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132658-21815.gif)
核心考点
试题【(本小题满分14分)(理)已知命题:关于的函数的定义域是;命题:当时,恒成立. 如果命题“”是真命题,“”是假命题,求实数的取值范围.(文)已知命题:,;命题:】;主要考察你对四种命题等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132617-26575.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132618-80992.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132558-52842.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132558-95347.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132558-30274.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132559-94240.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132559-95879.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132559-36694.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132559-91276.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132600-82904.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132559-91276.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132600-82904.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132600-41399.gif)
A.![]() | B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() | D.当![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132546-20429.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132546-94994.gif)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
①函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132539-70720.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132539-38389.png)
②函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132539-10848.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132539-58131.png)
③对于指数函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132540-95432.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132540-97069.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132540-88422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132541-55520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132541-62288.png)
④对于函数
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132541-12193.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132541-33005.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132541-54097.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132541-30759.png)
⑤已知
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132542-54306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132542-22955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132542-78626.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132543-25301.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191102/20191102132543-71724.png)
其中正确的序号是 .
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