1 . 已知命题p:
,
,命题q:在
中,若
,则
,则下列命题是真命题的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f487f165f3ecce50cca5e3720c0891c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b610c855735a35d4168ac6a0f72ef904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8cec721d72e03639d9aa2e0adc20a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-03更新
|
125次组卷
|
2卷引用:内蒙古自治区锡林郭勒盟2023-2024学年高三下学期开学联考理科数学试题
2 . 下列命题的否定是真命题的是( )
A.每个正方形都是平行四边形 |
B.![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
名校
3 . 已知命题
;命题q:函数
的图象关于直线
对称.则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9b49b15713bd62e2fdb466b42e6f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec25b105130d71d3d529524671b6218.png)
A.p为真 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023高三上·全国·专题练习
4 . 已知命题
若
,则
命题
若
,则
在命题①
②
③
④
中,真命题是( )
![](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/67303a54055cf262f1e86ef4b04adc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8b7a58977d945746870cfb93ea7018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a260a35c3eee25831df954e4f56315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f2c9b79767e6ded620edba63701bcc.png)
A.①③ | B.①④ | C.②③ | D.②④ |
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5 . 下列存在量词命题的否定中真命题的个数是( )
(1)
;
(2)至少有一个整数,它既不是合数,又不是质数;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afd4cd54989e3131e198c06b9971bf4.png)
(2)至少有一个整数,它既不是合数,又不是质数;
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e480d25e099f11c01cb3a96d9ed06b4.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2023·全国·模拟预测
6 . 已知命题
若
,则
,命题
:若
是锐角三角形,则
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86f453179a01524d56669af4be73d4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29872e387c4616eada093ec3e38750cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f76525070c2a496a84e040ce96e005.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知命题
,使
,命题
函数
与
关于直线
对称,下面结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8aa4b9ab6f097ecd288942230b6297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfa59f22e09e99a7f15b7d07ca073ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4478cb6da027769d7b0729bc1bece0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0937d7dbb6a93186b70d85227bdd414a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
A.命题“![]() | B.命题“![]() |
C.命题“![]() | D.命题“![]() |
您最近一年使用:0次
8 . 命题
,
:方程
无实根,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ba53d2a17ebd6b122e0efb4aa1e9a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a784eb43db84658bb6f205401f5c47.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知命题p:
,
;命题q:若
,则
,
.下列命题是真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdbddf8c0ba6f4a5b15dc52ba383f6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a052a203089c4cf1f1bf27bbc3188be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2ca8b4fb36f7d43e12b2b61590fe13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ce34763c38bb612af3a944528f33cf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-09更新
|
172次组卷
|
3卷引用:陕西省2024届高三上学期第一次联考理科数学试题
名校
10 . 已知命题p:
;命题q:
,
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce742aaa36c085b6388d1ea9f47a00da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02491f9709f00a1bc169278fbe01f576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc41b27c8460623bb408814adeb70b2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次