名校
1 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93208bc770714ae8311ab2ba6274ea8d.png)
A.存在![]() ![]() ![]() |
B.对任意![]() ![]() ![]() |
C.对任意![]() ![]() ![]() |
D.存在![]() ![]() ![]() |
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2024-06-16更新
|
342次组卷
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5卷引用:内蒙古名校联盟2023-2024学年高二下学期教学质量检测数学试题
2 . 用数字
组成无重复数字的四位数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03433c4e7c0bdc696bcce5033498a759.png)
A.可组成360 个四位数 |
B.可组成120 个四位偶数 |
C.可组成108个是5的倍数的四位数 |
D.可组成270个比 1325 大的四位数 |
您最近一年使用:0次
名校
3 . 已知函数
,
是自然对数的底数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f53f81bca037a4383c1fab122a3cd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
A.若![]() ![]() |
B.![]() |
C.![]() ![]() |
D.对任意两个正实数![]() ![]() ![]() ![]() |
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2024-04-03更新
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467次组卷
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3卷引用:内蒙古赤峰市赤峰二中2023-2024学年高二下学期第一次月考数学试题
4 . 已知
为坐标原点,
是椭圆
的右焦点,
与
交于
两点,
分别为
的中点,若
,则
的离心率可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad57e3727b7bbd795b05332fbf9649e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9eec5d2a64563c9f8954532e0298a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0b06dc01c30d13f64be2ac6a1d811e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-18更新
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142次组卷
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2卷引用:内蒙古巴彦淖尔市2023-2024学年高二上学期期末考试数学试题
解题方法
5 . 在直角坐标系
中,已知点
,直线
,过
外一点
作
的垂线,垂足为
,且
,记动点
的轨迹为
,过点
作
的切线,该切线与
轴分别交于
两个不同的点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/1/03aef004-0438-47de-9cb8-75208d5b6211.png?resizew=170)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f363d815fde5c34c317df8c6a1d616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4180dae966f648d368a10edf3b7e3c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c9713f21c1af0d7c4579ab6fd56bd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/1/03aef004-0438-47de-9cb8-75208d5b6211.png?resizew=170)
A.动点![]() ![]() |
B.当![]() ![]() |
C.对任意点![]() ![]() ![]() |
D.设![]() ![]() |
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2024-01-17更新
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281次组卷
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3卷引用:内蒙古巴彦淖尔市2023-2024学年高二上学期期末考试数学试题
6 . 已知椭圆C:
,直线
与C交于
,
两点,若
,则实数
的取值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6205da5e1d2730ee0b3de8bca3e29f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67be817f20d1c03c4b152f08ca7e2de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4fee5980551b023f6307b1e24877d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() | C.3 | D.4 |
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2024-01-04更新
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3卷引用:内蒙古2023-2024学年高二上学期期末教学质量检测数学试题
名校
7 . 如图,棱长为2的正方体
中,
、
分别为棱
、
的中点,
为面对角线
上一个动点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/152cce54-f096-4cf2-b0e2-ff64a666f081.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/152cce54-f096-4cf2-b0e2-ff64a666f081.png?resizew=166)
A.三棱锥![]() |
B.直线![]() ![]() |
C.线段![]() ![]() ![]() ![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次
解题方法
8 . 如图所示,若长方体
的底面是边长为2的正方形,高为4,
是
的中点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/29/6ab4eb93-d6e1-41ba-a637-598e9fe456da.png?resizew=114)
A.点B到直线![]() ![]() |
B.三棱锥![]() ![]() |
C.平面![]() ![]() |
D.三棱锥![]() ![]() |
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2023-11-24更新
|
542次组卷
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2卷引用:内蒙古自治区赤峰市赤峰第四中学2023-2024学年高二上学期10月月考数学试题
名校
解题方法
9 . 如图,正方体
的棱长为1,正方形
的中心为
,棱
,
的中点分别为
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/20/a15d4c20-97d0-4d17-afaf-8d759dc0e62a.png?resizew=163)
A.![]() |
B.![]() |
C.异面直线![]() ![]() ![]() |
D.点![]() ![]() ![]() |
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2023-07-14更新
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707次组卷
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9卷引用:内蒙古自治区优质高中联考2023-2024学年高二上学期11月期中数学试题
内蒙古自治区优质高中联考2023-2024学年高二上学期11月期中数学试题甘肃省临夏回族自治州2022-2023学年高二下学期期末数学试题(已下线)高二上学期期中数学试卷(提高篇)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)高二上学期第一次月考数学试卷(基础篇)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)浙江省杭州市精诚联盟2023-2024学年高二上学期10月月考数学试题河北省河北师范大学附属中学2023-2024学年高二上学期10月月考数学试题江西省新余市实验中学2023-2024学年高二上学期10月数学模拟试题陕西省西安市鄠邑区第二中学2023-2024学年高二上学期第一次月考数学试题新疆伊犁州霍城县江苏中学2023-2024学年高二上学期12月月考数学试题
名校
10 . 已知
,
分别为椭圆
的左、右焦点,
为椭圆上任意一点(不在
轴上),
外接圆的圆心为
,半径为
,
内切圆的圆心为
,半径为
,直线
交
轴于点
,
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede935419d69a161bb22fd513647da06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() ![]() | B.![]() |
C.椭圆![]() ![]() | D.![]() ![]() |
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2023-06-07更新
|
1374次组卷
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4卷引用:内蒙古自治区赤峰市赤峰二中2023-2024学年高二上学期第二次月考数学试题