已知命题p:
,
;命题q:
,使
,若
为假命题,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b195e9c60b95973afbb7f8a21c873e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038ec9edd441d772532a201fe79314fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e5456923795b2604e8fc05e3e098bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b1c14c7ab505695d371b15b0d11d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-12-25 21:57:23
|
相似题推荐
单选题
|
适中
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解题方法
【推荐1】已知命题
:直线
:
过定点
,命题
:
是直线
:
与直线
:
垂直的充要条件,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14fda2035959f85166752c30ec184874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0e705301752424a492f6277ed7774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e70252f221e12202bd968e3071406a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3ead1028b814eab3f4734760313c19.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】在下列四个命题中,
①若
是
的充分不必要条件,则
是
的必要不充分条件;
②若
,则
;
③“
”是“
”的必要不充分条件;
④若“
或
”为真命题,“
且
”为假命题,则
为真命题,
为假命题.
正确的个数为
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c11f7110b7dd464c1be6980f072c359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f50ce6b511e6b928796e048fc7fa5c.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce4cc47cba04ab1e0ac81e08464e9b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
④若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
正确的个数为
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】(广东省德庆县香山中学2018届高三第一次模拟试题)已知p:∃x0∈R,
,q:∀x∈R,x2+mx+1>0.若p∧q为真命题,则实数m的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce7ac38bfa4b72d546e26075168c565.png)
A.(−∞,−2) | B.[−2,0) |
C.(−2,0) | D.[0,2] |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】已知命题
,
,
,
,若
为假命题,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a0572b91c37cff4e4ccb37ee0d1c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c95d1c8c9ffd3f7f547c6500a65bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de84929a0f2f5e64803750276213a513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba95a1a63e17c5b9a4b4929deda348c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7132e1f0f6cc6af64d607f26b3af7621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次