1 . 已知命题
,
,命题
:直线
与圆
相离,则下列判断正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fbaf82fe2b22d44492a001a7a02466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82cae0bf024f1acbeb9046699cccf18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9914263ffebdc0aa082603879e8cd847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c62a5bc2ddd8b57ed3ab0e3adc507d.png)
A.命题![]() | B.命题![]() |
C.命题![]() | D.命题![]() |
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2 . 命题
且
是真命题,则命题
是( )
![](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)
A.假命题 | B.真命题 | C.真命题或假命题 | D.不确定 |
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2019-02-17更新
|
535次组卷
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3卷引用:陕西省吴起高级中学2018-2019学年高二上学期期末考试数学(理)能力试题
2020高三·全国·专题练习
3 . 给定命题p:函数y=ln[(1-x)(1+x)]为偶函数;命题q:函数y=
为偶函数,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01b8aef55c69813b681ef6866269c12.png)
A.p∨q是假命题 | B.(¬p)∧q是假命题 |
C.p∧q是真命题 | D.(¬p)∨q是真命题 |
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4 . 已知命题
,命题
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bee553ec191a6114c170c39b4cb698b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b898110608ff3ded9b505cdc7013aa1.png)
A.命题![]() | B.命题![]() |
C.命题![]() | D.命题![]() |
您最近一年使用:0次
名校
5 . 已知命题
;命题
,
.则下列命题为真命题的是.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ac4a0d5c0de48311b660612af245d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5c81af39817c57583a0d1c1bebd36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cdd6f27334444c1884876b9e4cfe6f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-07-03更新
|
582次组卷
|
4卷引用:【全国区级联考】北京市丰台区2016-2017学年高二下学期期末考试数学(理科)试题
名校
6 . 已知命题
:
(
,且
)是增函数;命题
:对任意的
,都有
成立,若命题
为真题,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad814089e37543b2f547af9ae75b6dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a7aa628a368876cf56017eb12e0325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-02-10更新
|
323次组卷
|
3卷引用:山西省朔州市应县第一中学校2019-2020学年高二上学期期末数学(理)试题
7 . 下列判断正确的是( )
A.“![]() ![]() |
B.命题“若![]() ![]() |
C.命题“![]() ![]() ![]() ![]() |
D.若命题p为真命题,命题q为假命题,则命题“![]() |
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8 . 若
都为真命题,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83683a7b6816a226749117719685a17f.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad8d792188dba9a934ff4e034e6eedd.png)
中真命题的是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e9a314505b785c6de3798e7c75f504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83683a7b6816a226749117719685a17f.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/9ad8d792188dba9a934ff4e034e6eedd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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9 . 设有下列四个命题:
空间共点的三条线不一定在同一平面内;
过空间中任意三点有且仅有一个平面;
若三个平面两两相交,则交线互相平行;
若直线a⊥平面α,直线a
直线b,则直线b⊥平面α;
则下述命题中所有真命题的序号是__ .
①
;②
;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bf85fe3237bb6aaa3efa64600db30d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53ffa4b8a693dbd47a1139789ed5f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c789f44c21a9a5e280e8fc32a4aede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c2953aa26f0ebf94f3a28005ef39f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
则下述命题中所有真命题的序号是
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/849e7e9797502aa22ce53bb988642a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cab06c42eb4829dca13d9fb0c9449a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665cf571132db568d54c46057702545c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff8234b30a4b697819ca31d7212604a.png)
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10 . 下列有关命题的说法正确的有( )
(1)若p∧q为假命题,则p、q均为假命题;
(2)“x=1”是“x2﹣3x+2=0”的充分不必要条件;
(3)若“p∨q”为假命题,则“¬p∧¬q”为真命题.
(4)命题“若x2﹣3x+2=0,则x=1”的逆否命题为:“若x≠1,则x2﹣3x+2≠0”
(1)若p∧q为假命题,则p、q均为假命题;
(2)“x=1”是“x2﹣3x+2=0”的充分不必要条件;
(3)若“p∨q”为假命题,则“¬p∧¬q”为真命题.
(4)命题“若x2﹣3x+2=0,则x=1”的逆否命题为:“若x≠1,则x2﹣3x+2≠0”
A.1个 | B.2个 | C.3个 | D.4个 |
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2020-03-18更新
|
295次组卷
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4卷引用:宁夏石嘴山市第三中学2019-2020学年高二上学期第二次月考数学(文)试题