名校
1 . 已知命题
:函数
是奇函数,命题
:任何实数都是有理数,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/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-05更新
|
142次组卷
|
4卷引用:陕西省渭南市华阴市2020-2021学年高二上学期期末理科数学试题
名校
2 . 已知命题
,命题
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f5fe688f7d3bb9d5a003455bb5af8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dbb390d9d14311dc26870f10188ef6b.png)
A.“![]() | B.“![]() |
C.“![]() | D.“![]() |
您最近一年使用:0次
2023-08-12更新
|
301次组卷
|
2卷引用:云南省绥江县第一中学2020-2021学年高二下学期期中考试数学(文)试题
3 . 已知命题
:若空间向量
与
平行,则
;命题
,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/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2cc1f1ef9ad32eef62aefa4c3fc3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d25180750a346c767736480c657b2a53.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
4 . 已知
的三边为
、
、
.
命题
:以
、
、
为三边的三角形一定存在.
命题
:以
、
、
为三边的三角形一定存在.
则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cc0b4997cae4d8aec791a1d3923314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881309775c3b6a9f4ed408838666342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566f7614d51f0348db982a9440de8844.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7464741454a0cedd263318b61183ee87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91f73cf3dbdf1c1a35fb010465e9d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687fd8c38cb57bde0fc0e2c6544da9f.png)
则下列命题为真命题的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知命题
:
,
;命题
:
,
.则下列为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134a5354b46bf457be3751dac2245896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41c7b145f933d47fa8ce39d57df0a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 已知命题
若
,则
;命题
,则下列命题为假命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8d3327811ad92a6e5d148543acaf37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db92d4ad0dc146fbd35ea6de0f094228.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-08-09更新
|
64次组卷
|
8卷引用:陕西省咸阳市2020-2021学年高二上学期期末理科数学试题
7 . 已知命题p:若两个变量间有相关关系,则这两个变量间一定有函数关系;命题q:
,
,则下列命题中为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63af71b9e6f71cd26e6e97541154cd8c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知命题
:若
,则
;命题
:若
,则
.给出的下列三个命题中,假命题 的个数是( )
①
; ②
③
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bad6987e8abfbf07d6a2650483d2a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b9d5aaaceaa3ac514d17fcfefbf9b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0aa413ff9883e0b2662bd41ec07e52.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
A.3 | B.2 | C.1 | D.0 |
您最近一年使用:0次
9 . 已知命题
:
,
;命题
:
,
,则下列命题中为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f625e58b0944e460f86a30fa1af432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491ef2ec844032e0c2ab9cc4a545dff3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-11更新
|
95次组卷
|
3卷引用:陕西省渭南市韩城市新蕾中学2021-2022学年高二上学期第四次月考文科数学试题
10 . 已知命题:
若
,则直线
不经过第二象限;
:抛物线
的焦点在圆
的内部;
:若两个平面的法向量互相垂直,则这两个平面垂直;
:若直线
的方向向量与平面
的法向量垂直,则必有
.
下列命题中所有真命题的序号是__________ .
①
;②
;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a617a9b648bfb804eb7ac1cf357f8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af881f169f1f909de7a27cccf4d6f47f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0c7157871c268893342e5ba6c35188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e091bcc3593e18e1a771fcb2ffd42aff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bb17792af0a820af4b98586ed02e1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff259ba50b735db32427fc0ebfbdfdaf.png)
下列命题中所有真命题的序号是
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586e98555015d11f2b8d8b7702965336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7af433a01e0819931d64d634b705e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b4e53bf6e9c26e2f849d430d4e083f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a758b377cf6271c8b45464bc0051d5.png)
您最近一年使用:0次