名校
1 . 给出下列说法:
①锐角都是第一象限角;
②第一象限角一定不是负角;
③小于180°的角是钝角、直角或锐角;
④始边和终边重合的角是零角.
其中正确说法的序号为________ (把正确说法的序号都写上).
①锐角都是第一象限角;
②第一象限角一定不是负角;
③小于180°的角是钝角、直角或锐角;
④始边和终边重合的角是零角.
其中正确说法的序号为
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3卷引用:福建省莆田第二十五中学2019-2020学年高一下学期返校考试数学试题
2 . 符号
表示不超过x的最大整数,如
,
,定义函数
.给出下列四个结论:
①函数
的定义域是R,值域为
;
②方程
有无数个解;
③函数
是增函数;
④函数
是奇函数.
其中正确结论的序号为__________ .(写出所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec13b2c5950301683e240faf02340617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150587114b2912d6cee27974aa4cad50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f2754b3b1dad0794ec35a1771e1453.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f344fd588492f8bcbb5f55b2946ea735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
②方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096c0b91043235e8d883e19b7008c87c.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f344fd588492f8bcbb5f55b2946ea735.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f344fd588492f8bcbb5f55b2946ea735.png)
其中正确结论的序号为
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解题方法
3 . 已知平面
平面
,直线
平面
,直线
平面
,
,在下列说法中,
①若
,则
;②若
,则
;③若
,则
.
正确结论的序号为( )
![](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/d983307d4345e724d9dd44935274843d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b02e0c74a66739bc83f73b5c5513cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb26a220ed44c446105df7caa0f1063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb26a220ed44c446105df7caa0f1063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
正确结论的序号为( )
A.①②③ | B.①② | C.①③ | D.②③ |
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2020-03-07更新
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3卷引用:江苏省盐城市响水中学2021-2022学年高一下学期第二次学情分析考试数学试题
名校
4 . 设
是两条不同的直线,
是三个不同的平面,下列说法中正确的序号为( )
①若
,则
为异面直线 ②若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202af51f5ebe87ec0017f439a6ad7fbf.png)
③若
,则
④若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc52997e8e7d139cb30eea9bdd71b406.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a5990df94c1e61df16039f30052ee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66676a4ba8946c6f8c8ff9e2287aac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202af51f5ebe87ec0017f439a6ad7fbf.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0365f4796822f9772287cbd94f271c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35a45cfcdfbda18b089ce6698ccdbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09eeb563830b4802ae817b4da6b69c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
A.①② | B.②③ | C.③④ | D.②④ |
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8卷引用:山东省菏泽市第一中学八一路校区2023-2024学年高一下学期第三次月考数学试题
名校
5 . 下列说法中,所有正确的命题序号为( )
①在同一坐标系中,函数
与函数
的图象关于
轴对称;
②函数
(
且
)的图象经过顶点
;
③函数
的最大值为1;
④任取
,都有
.
①在同一坐标系中,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996a92bcfc7fb20171fa1768d5ffddb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa80ae0b0eab1f14cccf872500f0843.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/afa482d7bcaa385bfc3548b42a4bfb60.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2e1bb3e70e20280047d9b6c546dd16.png)
④任取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf7a904df8f22e3f1e26a4116eb7913.png)
A.①②③④ | B.② | C.①② | D.①②③ |
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3卷引用:吉林省长春市实验中学2021-2022学年高一上学期第一次阶段考试数学试题
解题方法
6 . 给出下列命题
(1)命题“
,
”的否定是“
,
”
(2)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b804002ee3d72ff947cfc8426f90047c.png)
(3)已知
,
,若
,则a的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a568a870b0c247e1abaf4bf65b83865.png)
其中正确命题的序号为( )
(1)命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9490565d4714ffcbadb26fdfca443856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9490565d4714ffcbadb26fdfca443856.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b804002ee3d72ff947cfc8426f90047c.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0820285d82c98efc92ee43db58418fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f4cde12869125b1eebc2c6c8ae22cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a568a870b0c247e1abaf4bf65b83865.png)
其中正确命题的序号为( )
A.(2)(3) | B.(2) | C.(1)(3) | D.(1)(2) |
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7 . 已知函数
在
上是偶函数,对任意
都有:
,
,
且
时,
,给出如下命题:①函数
在
上为增函数;②直线
是
图象的一条对称轴;③点
是
的对称中心;④函数
在
上有四个零点.其中所有正确命题的序号为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e68fe28808a08af000c19643a2dc67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338ff37bebb2000b079ff47b049cb20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882c36d09632b85edc6ba2059052a741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ac55c5a8ad17e77e16e842af460186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babe9b9725844b213b5243e1c7d98216.png)
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解题方法
8 . 复数
满足
,①
;②
;③复数
的虚部为
;④
是方程
在复数范围内的一个解.则以上四个结论中正确序号为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c5bf0ee9e45490fb6503cc88f58d9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145e6e8cb3f167d16cdeabd3bd17ca12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a369d595329752492349210d55544d2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/396df1e2e35bf3040082cbb783314e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467354a996bf765789a18542f1beb008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fc19c302085de8a90e2827c32f15e7.png)
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2022-07-01更新
|
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2卷引用:湖北省武汉市育才高级中学2023-2024学年高一下学期4月月考数学试题
名校
9 . 下列说法不正确的是________ .(只填序号)
①
是
的必要条件;
②
是
的充分不必要条件;
③
是
且
的充分条件;
④
是
的充分不必要条件.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d54e72f2a8f5bf4a12f3328503afb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e9029d132adff5937610349c883287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16688590aa75a979cc269d934f1bf899.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34715101c66fa12ce6baf0a9c53f1672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0973815df3264c67f94eccde1c279ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200849ce71f53c0321506e27de437b8d.png)
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2023-08-28更新
|
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3卷引用:广西南宁市第三十六中学衡阳校区2023-2024学年高一上学期9月月考数学试题
10 . 无论
,
,
同为三条不同的直线还是同为三个不同的平面,给出下列说法:
①若
,
,则
;
②若
,
,则
;
③若
,
,则
;
④若
与
无公共点,
与
无公共点,则
与
无公共点;
⑤若
,
,
两两相交,则交点可以有一个,三个或无数个.
其中说法正确的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77fa66cb84828301a0cac235a43d70a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bb0a8369aa7f9ee31e7dba1af64529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5ae05de7ab1640bf15de25b8e3503b.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f849e1276336a0acbabff8d0994d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd9fa99f51ca296c8f0ed6b9780adc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d49bd8dd3f7797fdd4b0bb1104d61aa.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f849e1276336a0acbabff8d0994d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5ae05de7ab1640bf15de25b8e3503b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd9fa99f51ca296c8f0ed6b9780adc0.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
其中说法正确的序号为( )
A.①③ | B.①③⑤ | C.①③④⑤ | D.①④⑤ |
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