1 . 如图,在多面体
中,四边形
为菱形,
,
,
⊥
,且平面
⊥平面
.
平面
;
(2)若
,且
,求多面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d0d6dc13cf6b6d1a0e0c1d55ad0ba2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c60ec174cefcad3532d986c01e16a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ade8233bc5e455bc00825e081647519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49462eb28089d01c20a00c4648633d7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
您最近一年使用:0次
2024-06-13更新
|
933次组卷
|
2卷引用:宁夏吴忠市吴忠中学2024届高三下学期第五次模拟文科数学试卷
名校
解题方法
2 . 已知向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8913cf5a686dea51446a351b6139eb85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24fd8030c49c1bd3d424dee27a14ac42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
的极值点为a,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d1aad665dc3b1774e5c2e9a8e38660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244711dc2b17dabfd4087dc384946427.png)
A.![]() | B.0 | C.1 | D.2 |
您最近一年使用:0次
2024-04-22更新
|
406次组卷
|
4卷引用:宁夏吴忠市吴忠中学2024届高三下学期第五次模拟文科数学试卷
宁夏吴忠市吴忠中学2024届高三下学期第五次模拟文科数学试卷青海省部分学校2023-2024学年高三下学期联考模拟预测理科数学试题青海省部分学校2023-2024学年高三下学期联考模拟预测文科数学试题(已下线)模块五 专题2 全真基础模拟2(苏教版高二期中研习)
4 . 在直角坐标系
中,已知圆
的参数方程为
(
为参数),以坐标原点为极点,
轴正半轴为极轴建立极坐标系.
(1)求
的极坐标方程;
(2)若直线
的极坐标方程为
,设
与
的交点为
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4044baa47224e785c9aaba586fc2d8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5695b7c8f7f4d6cb7370bf4a8c340894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8724bf031f67e4021e1bb809ce076811.png)
您最近一年使用:0次
2024-04-02更新
|
389次组卷
|
2卷引用:宁夏吴忠市2024届高三下学期高考模拟联考(一)理科数学试题
解题方法
5 . 若复数
满足
,则
在复平面上所对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462353c882318090433a204df73bf9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20de699528c22d1beae3fa824cfd5aaa.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
您最近一年使用:0次
6 . 已知直线
,
和平面
,且
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7862c0ab0d7196330c5538b8720facd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39344e476725f3fbae35f2e73377a38b.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分又不必要条件 |
您最近一年使用:0次
名校
解题方法
7 . 某几何体的三视图如图所示(单位:
),则该几何体的表面积(单位:
)是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
A.24 | B.28 | C.32 | D.36 |
您最近一年使用:0次
2024-03-23更新
|
549次组卷
|
3卷引用:宁夏吴忠市2024届高三下学期高考模拟联考试卷(二)理科数学试题
名校
8 . 某公司研发新产品投入
(单位:百万)与该产品的收益
(单位:百万)的5组统计数据如下表所示:由表中数据求得投入金额
与收益
满足经验回归方程
,则下列结论不正确的是( )
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78368756f327018f4593836879b195d3.png)
5 | 6 | 8 | 9 | 12 | |
16 | 20 | 25 | 28 | 36 |
A.![]() ![]() | B.回归直线经过点![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-21更新
|
1051次组卷
|
3卷引用:宁夏吴忠市吴忠中学2024届高三下学期第五次模拟文科数学试卷
名校
解题方法
9 . 若椭圆
:
与双曲线
:
的离心率之和为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bda122bacda21d755385c1553afca2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a218602e8e3a52f74f760059aa7014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ce827a56e0203a293d774d134f2adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.2 | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
2024-03-15更新
|
487次组卷
|
2卷引用:宁夏吴忠市吴忠中学2024届高三下学期第五次模拟文科数学试卷
名校
10 . 已知函数
的部分图象如图所示,将函数
图象上所有的点向左平移
个单位长度,得到函数
的图象,则
的解析式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5c3786c8bf19470b53921b83daeee7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-06更新
|
841次组卷
|
3卷引用:宁夏吴忠市2024届高三下学期高考模拟联考试卷(二)理科数学试题