20-21高二·全国·单元测试
1 . 对命题
:
,命题
:
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ba6c4692aeaa402c492fa21d2bdc9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee860a729a348f32138d5e3a7dfd723.png)
A.![]() ![]() | B.![]() ![]() |
C.非![]() | D.非![]() |
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解题方法
2 . 已知
在
上单调递增,
,若
为真命题,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7892e259063ef8e4a2f8e4ad509a218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f7464e7559a63bba3915987982fa9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91ffee4216b28ba16bce35cda8d5d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f4dd4173c94d64d9af1f8c2d90aad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3卷引用:河南省豫南九校2020-2021学年高二上学期期末联考数学(文)试题
河南省豫南九校2020-2021学年高二上学期期末联考数学(文)试题吉林省长春市第二十中学2021-2022学年高三上学期第一次质量检测数学(文)试题(已下线)模块综合练02 函数的概念与基本初等函数-2022年高考数学(理)一轮复习小题多维练(全国通用)
3 . 有两个命题:命题
:正方形的四个角相等,命题
:正方形的四条边相等.则下列判断错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.新命题“![]() ![]() | B.新命题“![]() ![]() |
C.新命题“非![]() | D.新命题“![]() ![]() |
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4 . 命题
:“
,
”,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/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2edbc31470f3a5c06938e32575c2bfb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c3b89850288082c468a648a04799fc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 设命题
,命题
,则下列结论正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0780f6396c9d775ef1efd7d802749d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e5b286c9c2a269bed588f51ac948d8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 若命题“
”为假,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
A.![]() | B.![]() | C.![]() | D.不能判断![]() ![]() |
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7 . 已知命题
,使
,则下列命题中真命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e821c692182d042a4682a0bdb7364015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e9c36a36c04ea03657f9c854a56a88.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 设命题
:若
,则
;命题
:若
,则
,判断命题“
”、“
”、“
”为假命题的个数为( )
![](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/ce22028b0472ba0c4db9c3179e963ad2.png)
![](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.0 | B.1 | C.2 | D.3 |
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4卷引用:宁夏海原县第一中学2020-2021学年高二上学期期末考试数学(文)试题
宁夏海原县第一中学2020-2021学年高二上学期期末考试数学(文)试题宁夏石嘴山市平罗中学2022届高三上学期第三次月考数学(文)试题(已下线)专题02 常用逻辑用语-2023届高考数学一轮复习精讲精练(新高考专用)新疆维吾尔自治区乌鲁木齐市第101中学2023届高三上学期12月月考理科数学试题
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9 . 下列四个结论中正确的个数为( )
①命题“若
,则
”的逆否命题是“若
或
,则
”;
②已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
,
,
若
,则
,则
为真命题;
③命题“
,
”的否定是“
,
”.
①命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199e9b71bddd6f73725518ab2d567b32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b88e53e6ca674b4cb92ba78dddf989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6d82d173ad18cc040e94c925b5ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6749db809dd84c2cfe5c47bea121e356.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05611fbe265ef9e3d4a8b1821bcbc1eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91bcddc2ece6bcde9355e222e1cf9f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
③命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e4848e12d90125411fb07a7e524de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87249dcd658c64cfa152b4c164b27e4c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:甘肃省庆阳市宁县2020-2021学年高二上学期期末数学(理)试题
10 . 下列各项中,描述正确的是________ .(填序号)
①
,不等式
成立;
②已知
;
.则“
或
”为假
③命题“若
且
,则
”的逆否命题是真命题;
④二面角的大小与其平面角的顶点在棱上的位置没有关系.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db00fc2697cd7aaaa900e308c74d916.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269bfc2e10edc20f0c338f2a7745717a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab8364b889f73803da063e307fdd834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
③命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288420f0b137ec90d963e6b5db65fe30.png)
④二面角的大小与其平面角的顶点在棱上的位置没有关系.
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