名校
1 . 设正数
不全相等,
,函数
.关于说法
①对任意
都为偶函数,
②对任意
在
上严格单调递增,
以下判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56667aabbe787eb1c3189d487d203e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d74781f2fcb2c572de65c4f702d5457.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75c03244f2565ccad815ed9305655b4.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75c03244f2565ccad815ed9305655b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d720165be8b61db4a8b305ad47c7f2a0.png)
以下判断正确的是( )
A.①、②都正确 | B.①正确、②错误 | C.①错误、②正确 | D.①、②都错误 |
您最近一年使用:0次
名校
2 . 在数列
中,对任意正整数n都有
,且
,给出下列四个结论:
①对于任意的
,都有
;
②对于任意
,数列
不可能为常数列;
③若
,则数列
为严格增数列;
④若
,则当
时,
.
其中所有正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56420139e57870e3d5fc9f4057c15f73.png)
①对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c967891f122c574963975c7bc2664fce.png)
②对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390636a89883bd64bf8da9bf8654aff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40af859d892e1c30f300678e4a05c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492b4cec252b0417cbec8e361718001d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0228078a7a3d05a7643f87e04992a304.png)
其中所有正确结论的序号为( )
A.②④ | B.③④ | C.①②③ | D.②③④ |
您最近一年使用:0次
解题方法
3 . 三棱锥
中,点
是
斜边
上一点.给出下列四个命题:
①若
平面
,则三棱锥
的四个面都是直角三角形;
②若
,
,
,
平面
,则三棱锥
的外接球体积为
;
③若
,
,
,
在平面
上的射影是
内心,则三棱锥
的体积为2;
④若
,
,
,
平面
,则直线
与平面
所成的最大角为
.
其中正确命题的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c83f8945042b9c8fb2fbdac9308d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f7e633fb547fd821e5a3cbf1bd1f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6deecf9ccb7b7879455050633219e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f479c521ce8a3e0013347d39a7d16e0.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ecf4712f4ce3a52ccc695c1774cbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f643db1101c352132c1d670e9cb30e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c83f8945042b9c8fb2fbdac9308d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4aca03910382accfe738520daf689c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21665d21bbfb04410c78345de1fd15ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
其中正确命题的序号为( )
A.①②④ | B.①②③ | C.①③④ | D.②③④ |
您最近一年使用:0次
名校
4 . 设等比数列
的公比为
,其前
项之积为
,并且满足条件:
,
,
,给出下列结论:①
;②
;③
是数列
中的最大项;④使
成立的最大自然数等于4039;其中正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8141d87fb02b08c88b0c9f27f839a7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105b7c252d779a588da78a0ca85033f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440a4d70a2a8ca0a2bf1c921f5cb746b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca664b1e82da6f50064a76fe118aa80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59eb9fe0e83d23d85c9c0b44b442f785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adb2d553c2fa56337284d5c62adccba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eded65284816fdf6bf335b0c2a78e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ae93e401b499b0e39f251279b5663c.png)
A.①② | B.①③ | C.①③④ | D.①②③④ |
您最近一年使用:0次
2020-02-29更新
|
2155次组卷
|
15卷引用:2020届上海市青浦区高三一模(期末)数学试题
2020届上海市青浦区高三一模(期末)数学试题上海市格致中学2020-2021学年高二上学期期中数学试题上海市上海交通大学附属中学2019-2020学年高一下学期期中数学试题(已下线)4.2 等比数列(第1课时)(十大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)第22练 等比数列-2021年高考数学(文)一轮复习小题必刷(已下线)第23练 等比数列-2021年高考数学(理)一轮复习小题必刷(已下线)秘籍07 数列-备战2022年高考数学抢分秘籍(新高考专用)北京市第二中学2021-2022学年高二6月阶段落实测试数学试题(已下线)专题25 等比数列及其前n项和-3(已下线)专题8 等比数列的单调性 微点2 等比数列单调性综合训练(已下线)第03讲 等比数列及其前n项和(九大题型)(讲义)-3(已下线)专题5-1 等差等比性质综合-1(已下线)专题6.2 等比数列及其前n项和【十大题型】(已下线)专题4.3 等比数列(5个考点八大题型)(2)(已下线)专题04 等比数列(十六大题型+过关检测专训)(2)
名校
5 . 无穷等差数列
的各项均为整数,首项为
,公差为
,
是其前
项和,3、15、21是其中的三项 ,给出下列命题:
①对任意满足条件的
,存在
,使得99一定是数列
中的一项;
②对任意满足条件的
,存在
,使得30一定是数列
中的一项;
③存在满足条件的数列
,使得对任意的
,
成立;
其中正确命题的序号为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
①对任意满足条件的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
②对任意满足条件的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
③存在满足条件的数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97769855336d73371930df1f187875e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a5c9bf52c56f4f773f66ceeb5af9a5.png)
其中正确命题的序号为.
A.① | B.②③ | C.①③ | D.①②③ |
您最近一年使用:0次
6 . 定义:若整数
满足:
,称
为离实数
最近的整数,记作
.给出函数
的四个命题:
①函数
的定义域为
,值域为
;
②函数
是周期函数,最小正周期为
;
③函数
在
上是增函数;
④函数
的图象关于直线
对称.
其中所有的正确命题的序号为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6800621bfb6d2da44092b8e7e4ff81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1d40d3e5aab8f43ba6e28156c326c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a39d129fa0aa81aa70a5d4cad101b6e9.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd2a526959a95e06a82a95a62c777fd.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdd2a526959a95e06a82a95a62c777fd.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddf8269a9f1c05759a846b9d97aef83.png)
其中所有的正确命题的序号为
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 设集合
,点P的坐标为
,满足“对任意
,都有
”的点P构成的图形为
,满足“存在
,使得
”的点P构成的图形为
.对于下述两个结论:①
为正方形以及该正方形内部区域;②
的面积大于32.以下说法正确的为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03cd04b82dda9c0d2dd0957ffc407d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9712a0071f6d0d78d17ce18f6084cad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3693b84b83679c30b1035750d9b4f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deebd2c36a5e644a566f1980091359bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9712a0071f6d0d78d17ce18f6084cad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3693b84b83679c30b1035750d9b4f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e32039addb008103a2a8344225214a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deebd2c36a5e644a566f1980091359bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e32039addb008103a2a8344225214a.png)
A.①、②都正确 | B.①正确,②不正确 |
C.①不正确,②正确 | D.①、②都不正确 |
您最近一年使用:0次
8 . 给出以下命题:
(1)函数f(x)=
与函数g(x)=|x|是同一个函数;
(2)函数f(x)=ax+1(a>0且a≠1)的图象恒过定点(0,1);
(3)设指数函数f(x)的图象如图所示,若关于x的方程f(x)=
有负数根,则实数m的取值范围是(1,+∞);
(4)若f(x)=
为奇函数,则f(f(﹣2))=﹣7;
(5)设集合M={m|函数f(x)=x2﹣mx+2m的零点为整数,m∈R},则M的所有元素之和为15.
其中所有正确命题的序号为
![](https://img.xkw.com/dksih/QBM/2016/3/9/1572527574966272/1572527580913664/STEM/d6c4946fa2df44d59215134ecd894ffc.png)
(1)函数f(x)=
![](https://img.xkw.com/dksih/QBM/2016/3/9/1572527574966272/1572527580913664/STEM/2ce08fb7ff9c41bfa25e9f7ed735248e.png)
(2)函数f(x)=ax+1(a>0且a≠1)的图象恒过定点(0,1);
(3)设指数函数f(x)的图象如图所示,若关于x的方程f(x)=
![](https://img.xkw.com/dksih/QBM/2016/3/9/1572527574966272/1572527580913664/STEM/8e4ea6ff0e84412f8d02caff43aace53.png)
(4)若f(x)=
![](https://img.xkw.com/dksih/QBM/2016/3/9/1572527574966272/1572527580913664/STEM/3223b5abdfc24770bf25465e31631e88.png)
(5)设集合M={m|函数f(x)=x2﹣mx+2m的零点为整数,m∈R},则M的所有元素之和为15.
其中所有正确命题的序号为
![](https://img.xkw.com/dksih/QBM/2016/3/9/1572527574966272/1572527580913664/STEM/d6c4946fa2df44d59215134ecd894ffc.png)
A.(1)(2)(3) | B.(1)(3)(5) | C.(2)(4)(5) | D.(1)(3)(4) |
您最近一年使用:0次
名校
解题方法
9 . 如图,在正方体
中,
分别是线段
、BD上的点.给出下列两个说法:①存在点
,对任意点
,均有
;②若
,则直线
与
恒为异面直线,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d961cdda10c3f76c8f52ff1aa10aa45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7b64a0de3cbdfe5d348041d27e1179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
A.①、②都正确 | B.①、②都错误 | C.①正确,②错误 | D.①错误,②正确 |
您最近一年使用:0次
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解题方法
10 . 考虑这样的等腰三角形:它的三个顶点都在椭圆
上,且其中恰有两个顶点为椭圆
的顶点.关于这样的等腰三角形有多少个,有两个命题:命题①:满足条件的三角形至少有12个.命题②:满足条件的三角形最多有20个.关于这两个命题的真假有如下判断,正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069ffc1e3936d254303d588e1a70a3aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.命题①正确;命题②错误. | B.命题①错误;命题②正确. |
C.命题①,②均正确. | D.命题①,②均错误. |
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