1 . 双曲线
的左、右顶点分别为
,左、右焦点分别为
,过
作直线与双曲线
的左、右两支分别交于M,N两点.若
,且
,则直线
与
的斜率之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db5b3141bc10f8ee640f1fb48d6e157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2988e435ffb7935d49569ee824262f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0803614ff32b6a15c5aa286e9f66be58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b89f666bb428c404469736e9528297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8438b536ba7d376f22aec5d20e66017f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe61d39d080872caa8973a70a3b4955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448eb7d301baa90fe59b05761830f81f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-16更新
|
82次组卷
|
5卷引用:模块4 二模重组卷 第2套 全真模拟卷
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2024·全国·模拟预测
名校
解题方法
2 . 已知三棱锥
的外接球的体积为
,
平面
,
,
,则三棱锥
的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a94d59dee2d5a8f0425b64b2083825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18aaaddbf4b17da45a5821c349f6e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c439e4e4e48b17e19e666d892216fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b229bf0a565049936d2931435f36da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd1e379a269e9f2018bf4bc0293ecf0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a94d59dee2d5a8f0425b64b2083825.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . “用一个不垂直于圆锥的轴的平面截圆锥,当圆锥的轴与截面所成的角不同时,可以得到不同的截口曲线”.利用这个原理,小明在家里用两个射灯(射出的光锥视为圆锥)在墙上投影出两个相同的椭圆(图1),光锥的一条母线恰好与墙面垂直.图2是一个射灯投影的直观图,圆锥
的轴截面
是等边三角形,椭圆
所在平面为
,则椭圆
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745e0525a41fe2e2a7739c75a942290b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4b27f503ce08bc7851006a98f9ce32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 在
中,内角A,
,
的对边分别为
,
,
.若
,且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988b7e964e313579ab8869d67d5be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74e4081685507467dc79e568876a663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e551f3af8330e755046ed671d77e60.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024·全国·模拟预测
5 . 在
中,角
所对的边分别为
,且
,
的面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f2599ca8b6b683e57a82699c8b1ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a62185aa1bf376650852c0d2d765bff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.4 | B.![]() | C.4或![]() | D.![]() ![]() |
您最近一年使用:0次
2024·全国·模拟预测
解题方法
6 . 已知双曲线
的左、右焦点分别为
为双曲线右支上一点,直线
交双曲线的左支于点
,直线
交双曲线的右支于另一点
,若
,则该双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ed463bf16c78a4bbb9d3acff922afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8117c78e5b6a206c98839a02ef55ae6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 在
中,角
的对边分别是
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b649687e6414bd293acf9ef72448173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98f470cd32a3d1cb4d66c685a9e16bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd6fa5256b4530c219271b25ce6a6282.png)
A.![]() | B.1 | C.2 | D.![]() |
您最近一年使用:0次
8 . 在长方体
中,
,过顶点
作平面
,使得
平面
,若
平面
,则直线l和直线
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a85c645d184db6b206173f10ed3f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f58c5d4781dcef9fc6a0e0115464ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769cedbb48a28a76eb5b965224dfac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25cf5e1e2d2b61e7d9b488faf4284165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024·全国·模拟预测
名校
9 . 已知椭圆
的左、右焦点分别为
,过点
且斜率为
的直线与椭圆
的一个交点为
,若
,则椭圆
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28384448ee5ed0bb5ca717f26bc56165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024·全国·模拟预测
解题方法
10 . 在
中,
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20631e0f4d7ff3f39877b22e92c5148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeac8852889187d226d10c038f8fc7ea.png)
A.3 | B.2 | C.![]() | D.![]() |
您最近一年使用:0次