真题
1 . 已知命题p:
,
;命题q:
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a976d91358362fa49d6da8021fd47e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed5eb35c548188c5e053f52bd40000d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eac3ba2858adffcd1f8052cd795269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec6f7778d01e029c063ae2871a4e901.png)
A.p和q都是真命题 | B.![]() |
C.p和![]() | D.![]() ![]() |
您最近一年使用:0次
7日内更新
|
6775次组卷
|
7卷引用:2024年新课标全国Ⅱ卷数学真题
2024年新课标全国Ⅱ卷数学真题(已下线)2024年高考数学真题完全解读(新高考Ⅱ卷)专题01集合与常用逻辑用语、不等式(已下线)2024年新课标全国Ⅱ卷数学真题变式题1-5(已下线)周测1 集合与常用逻辑用语 一轮周测卷(提升卷)(已下线)五年新高考专题01集合、常用逻辑与不等式(已下线)三年新高考专题01集合、常用逻辑与不等式
2 . 已知
:设函数
在区间
上的图象是一条连续不断的曲线,若
,则
在区间
内无零点.能说明
为假命题的一个函数的解析式是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74d2ba9fa9b11875b2d4c8db6096084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2024-05-07更新
|
456次组卷
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3卷引用:北京市昌平区2024届高三第二次统一练习数学试题
3 . 已知
,集合
,
,
. 关于下列两个命题的判断,说法正确的是( )
命题①:集合
表示的平面图形是中心对称图形;
命题②:集合
表示的平面图形的面积不大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a037f86b6fbf91b8e112ae8613ad4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d2f35fefd24f3cb607b9771ea69951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41a4507d85c446a8f3324de736dc778.png)
命题①:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
命题②:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79cff5cd16432d03d1c38e2ea800a38.png)
A.①真命题;②假命题 | B.①假命题;②真命题 |
C.①真命题;②真命题 | D.①假命题;②假命题 |
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2024-04-19更新
|
524次组卷
|
3卷引用:上海市闵行区2024届高三下学期学业质量调研(二模)数学试卷
解题方法
4 . 在棱长为1的正方体
中,过面对角线
的平面记为
,以下四个命题:
,使
;
②若平面
与平面
的交线为
,则存在直线
,使
;
③若平面
截正方体所得的截面为三角形,则该截面三角形面积的最大值为
;
④若平面
过点
,点
在线段
上运动,则点
到平面
的距离为
.
其中真命题的序号为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b239e234d9ae31814af54bf27b7056ba.png)
②若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0c6947783608bd8f6dc7fdaadad2cb.png)
③若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821309f088a175c00dc0f4828334503d.png)
④若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b78c047642924fe864028c81b1f49d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
其中真命题的序号为
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5 . 下列哪些命题是真命题?_______
(1)
是
的充要条件
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7601a33e9cf63db183630b01ac84032e.png)
(3)
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b01df04fd13dd27cd4acf6645367196.png)
(4)若
为无理数,则
为无理数
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5206984aa8c1487f1ed2528045b16b18.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7601a33e9cf63db183630b01ac84032e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20a1af4425e9b77626f10f270e23648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b01df04fd13dd27cd4acf6645367196.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
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名校
解题方法
6 . 下列命题为真命题的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-21更新
|
1258次组卷
|
4卷引用:河北省沧州市泊头市联考2024届高三下学期高考模拟考试数学试题
河北省沧州市泊头市联考2024届高三下学期高考模拟考试数学试题河北省张家口市2024届高三一模数学试题(已下线)1.3 不等式(高考真题素材之十年高考)广东省广州市第六中学2023-2024学年高二下学期期中考试数学试题
7 . 对于命题:①存在
、
、
的某个排列,使得对任意
,这三个数均不能成等比数列;②对
、
、
的任意排列,均存在相应的
,使得这三个数成等差数列.下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7980e96d332aa0b4ed25c2dbff79b366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b8b77522dfc890b99f0a86a690de94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc24d605ad707ad0e76059d8a31f50d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5caabda288fc01cc168938846eec5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7980e96d332aa0b4ed25c2dbff79b366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b8b77522dfc890b99f0a86a690de94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc24d605ad707ad0e76059d8a31f50d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5caabda288fc01cc168938846eec5d2.png)
A.①和②均为真命题 | B.①和②均为假命题 |
C.①为真命题,②为假命题 | D.①为假命题,②为真命题 |
您最近一年使用:0次
8 . “角股猜想”是“四大数论世界难题”之一,至今无人给出严谨证明.“角股运算”指的是任取一个自然数,如果它是偶数,我们就把它除以2,如果它是奇数,我们就把它乘3再加上1.在这样一个变换下,我们就得到了一个新的自然数.如果反复使用这个变换,我们就会得到一串自然数,该猜想就是:反复进行角股运算后,最后结果为1.我们记一个正整数
经过
次角股运算后首次得到1(若
经过有限次角股运算均无法得到1,则记
),以下说法有误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99cebc0b8a5e503e1e24cb57dbbde5b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a1ae2246dcd710cf913417406c2efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeadb619367f955549a75a4eeb931011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8a66dd357f643ef976d14e097446fcf.png)
A.![]() ![]() |
B.![]() |
C.对任意正整数![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
9 . 已知等差数列
的前
项和为
,且关于正整数
的不等式
与不等式
的解集均为
.
命题
:集合
中元素的个数一定是偶数个;
命题
:若数列
的公差
,且
,则
.
下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd446ae199f91a9ccbc9f8e4d9bb929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd282f6c75c2b717aa5d00db9140a5f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce64685821c3e55c07f151996ca8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc7d0838efcb0215d4237ebd210f4f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd8cb812f7bdf482a0ae71a0eb5c0c7.png)
下列说法中正确的是( )
A.命题![]() ![]() | B.命题![]() ![]() |
C.命题![]() ![]() | D.命题![]() ![]() |
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10 . 下列命题中是真命题的个数是( )
①命题“
”的否定是“
”
②设
是向量,命题“若
,则
”的逆命题是真命题
③命题
是奇函数;命题
的最小值是2,则
是真命题
④若直线
平面
,平面
平面
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef6fce1b7e6d7a650890e2435931700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b54b90293b6bb0de4456da8f1dc98dc8.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5025f108d00d5146d3acf9bd32473a09.png)
③命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59edaab095ba98c3cfc2c2cf9e7b3f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f872fd4d10fa17d6cd95266be506500e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e29e70dc0bc2a9cf1a5feb67d439566.png)
④若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f979a27d3a09a17445561091e6655eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa807136194c18d3ac58902c67f9333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次