名校
1 . 下列四个命题中真命题是( ).
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680e7921a9eb968453e13c4a94462ddf.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59949abcdada3e6354ef0de056c0d4ed.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a1577aece87b25588db6a21cd453a4.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1197e3bcf15554459c59066b590673a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3d275f3f5627248fc53f61be24503b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680e7921a9eb968453e13c4a94462ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904b58593f90a292397443e3e7a318fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59949abcdada3e6354ef0de056c0d4ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3f8f0c42664859d3ab2b8e84c72d268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a1577aece87b25588db6a21cd453a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6299ca94d07f6f59836d323927d70c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1197e3bcf15554459c59066b590673a.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2019-06-28更新
|
281次组卷
|
3卷引用:湖北省部分重点高中2019-2020学年高三11月期中联考数学理科试题
2 . 设命题
,使
是幂函数,且在
上单调递减;命题
,
,则下列命题为真的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c789f3a4bbab386708c08415fc273a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9a4c03c62afab5c99384bd0fca82b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665fd98b2ad8b12144d1002c358f3834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf8de41bd48f0c7b39075b665aacea09.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-11-10更新
|
589次组卷
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3卷引用:湖北省襄阳市四校(襄州一中、枣阳一中、宜城一中、曾都一中)2018届高三上学期期中联考数学(理)试题
3 . 下列四个结论:
①若点
为角
终边上一点,则
;
②命题“存在
,
”的否定是“对于任意的
,
”;
③若函数
在
上有零点,则
;
④“
(
且
)”是“
,
”的必要不充分条件.
其中正确结论的个数是
①若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e688f6256d86f37d88a66625a5fe40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2225f9abbec9b6e33f2c34a59223cc5.png)
②命题“存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799b324b514d6044672c133d8fef2dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27942582c0d1ae33af058d2412138298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87249dcd658c64cfa152b4c164b27e4c.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358bcb6762c3c57962d6d189d185747c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7efba77663b55ef9561988e9b3330b7.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef91cfaf88e078fd8a43c0add81f087c.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/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bdc8d2686a05f12a2ba8a7e3b01be.png)
其中正确结论的个数是
A.0个 | B.1个 | C.2个 | D.3个 |
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4 . (内蒙古鄂伦春自治旗2018届高三下学期二模(420模拟))记不等式组
表示的区域为
,点
的坐标为
.有下面四个命题:
,
;
,
;
,
;
,
.
其中的真命题是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89da25c20a140d661ff1dc14d15e489d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5283739157785b8bd05d586e31611dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa47c8839441464fa4d4e9c8f0e340a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fddc247224f57c829b4d688498de7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c1824ce3c31bf7884410ea1fac268a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7be6e4d44a0ec0ede2726a1e3c7e18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c5fc358e995a994c5c6628103cba9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cefc6b619a9aabd8cf71730032b079f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27d86d8067eb1a7209a583950afd93f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ae073e76430c1129bd5b94884162d1.png)
其中的真命题是
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2018-05-04更新
|
534次组卷
|
6卷引用:2018届湖北省十堰市高三上学期1月调研考试数学(文)试题
2018届湖北省十堰市高三上学期1月调研考试数学(文)试题2018届湖北省十堰市高三上学期1月调研考试数学(理)试题【全国市级联考】内蒙古鄂伦春自治旗2018届高三下学期二模(420模拟)数学(文)试题内蒙古鄂伦春自治旗2018届高三下学期二模(420模拟)数学(理)试题(已下线)《考前20天终极攻略》5月25日 不等式(线性规划、基本不等式)【文科】(已下线)《考前20天终极攻略》5月24日 不等式【理科】
名校
5 . 下列说法正确的是( )
A.若等比数列![]() ![]() ![]() ![]() ![]() ![]() |
B.命题“若![]() ![]() ![]() |
C.“![]() ![]() |
D.命题“![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
6 . 下列选项中叙述错误 的是
A.命题“若![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.“![]() ![]() |
D.若“![]() ![]() |
您最近一年使用:0次
解题方法
7 . 已知
,给出下列的四个命题:
命题
:若
,则
;
命题
:若
,则
.
(1)判断命题
,命题
的真假,并说明理由;
(2)判断命题
的真假.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2276817025c081897327b3b86a0a830f.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437601a277901f79aa3d6a4b955cf72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c363b4f7a654109449bce51495bdf3c.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d855cbed9d386542f0d5f88918ffb98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/226d1f2bb30f6f68bed75cd07c49fb78.png)
(1)判断命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)判断命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dafee0abd48fb30d1bcc33eb30a8049.png)
您最近一年使用:0次
2017-10-25更新
|
500次组卷
|
3卷引用:湖北省枣阳市高级中学2018届高三年级上学期十月份月考理科数学试题
8 . 给出下列四个结论:
①命题“
,
”的否定是“
,
”;
②“若
,则
”的否命题是“若
,则
”;
③若“
”或“
”是真命题,则命题
,
一真一假;
④“函数
有零点”是“函数
在
上为减函数”的充要条件.
其中正确结论的个数为
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1464ad5c912d05a44974bd1c50e2e19a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8df0a803f27258017cbd0510b0ae0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5058f2641b369438a0347b7d72529f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b78fe304e1cf03b840a2262205574.png)
②“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc1f08c7640e62e8717abf4d44a6c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0ea3acd83c2a33956fe4b57bc4542c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7ec1e38409a3b5aba94d09489fe5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1963663c0ed56efb18c9da06f9a326fa.png)
③若“
![](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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
④“函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589a7d8cb95cf0b03d3e9d2b92b3bc7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d3c7da3a2ade367f140905f1769e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
其中正确结论的个数为
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2017-03-06更新
|
1250次组卷
|
6卷引用:湖北省武汉市2017-2018学年度部分学校新高三起点调研考试文科数学试题
9 . 已知函数
(
,
,
),直线
与
的图像的相邻两个交点的横坐标分别是2和4,现有如下命题:
①该函数在
上的值域是
;
②在
上,当且仅当
时函数取最大值;
③该函数的最小正周期可以是
;
④
的图像可能过原点.
其中的真命题有__________ (写出所有真命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296dc81cc9abfed6fa52797dde3d6b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/400128f23d3ad4e2cb8a4315f12df9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①该函数在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de71d25c72850e383a4c841eed0db99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0346181d94a6e83022684836927df7d9.png)
②在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de71d25c72850e383a4c841eed0db99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
③该函数的最小正周期可以是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
其中的真命题有
您最近一年使用:0次
名校
10 . 下列命题中真命题的个数是
①
,
;
②若“
”是假命题,则
都是假命题;
③若“
,
”的否定是“
,
”
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e7619820564623f779c704740bcc9c.png)
②若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
③若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5a3adbd45d73b61624ebff81725769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc6252b12df14414d6ebfe03749b4b5.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2016-12-04更新
|
456次组卷
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7卷引用:湖北省浠水县实验高级中学2017届高三数学(文)测试题