名校
解题方法
1 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d58e1c1161d72de2bcfe3c8acc9e715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94475b3d8a67ebfffc45210d7d1ee4c8.png)
A.1 | B.2 | C.![]() | D.8 |
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名校
解题方法
2 . 如图所示,在棱长为2的正方体
中,
,
分别为棱
和
的中点,则以
为原点,
所在直线为
、
、
轴建立空间直角坐标系,则下列结论正确的是( )
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1dd635cae84319a62ed68af58901b2.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/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() ![]() |
B.![]() |
C.![]() ![]() |
D.点![]() ![]() ![]() |
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3 . 已知向量
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22332a5483b7ac6f5ccd17d61183773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a1ce5559b35b59016c834ab3c7e35b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 若平面
的一个法向量为
,平面
的一个法向量为
,则
与
所成角的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19033adf3e6e57460e243eaa34e6da8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba342b0c5055df652d74e2f29e4a197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 若函数
存在极值,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc02be000a9ff38ecbcd2be837847241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 在长方体
中,四边形
的周长为
,长方体
的体积为
.若
,则
在
处的瞬时变化率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121dd9ae224aa010a3c1a3e923ccd926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014bde89c2e67acf72df101609d5ba17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d4e66978dd9c90fbe75a904a299538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014bde89c2e67acf72df101609d5ba17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
A.18 | B.20 | C.24 | D.26 |
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7 . 若圆
与
轴相切且与圆
外切,则圆
的圆心的轨迹方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
8 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72f1e27279771126076eee1fa6726ae.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dca3809cf7d3557f9f5bc549f261aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72f1e27279771126076eee1fa6726ae.png)
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2024-05-08更新
|
896次组卷
|
3卷引用:甘肃省兰州第一中学2023-2024学年高二下学期4月期中数学试题
甘肃省兰州第一中学2023-2024学年高二下学期4月期中数学试题(已下线)专题01 排列、组合与二项式定理--高二期末考点大串讲(人教B版2019选择性必修第二册)广东省佛山市顺德区罗定邦中学2024届高三下学期冲刺实战演练数学试卷
名校
解题方法
9 . 现有4名男生,2名女生.从中选出3人参加学校组织的社会实践活动,在男生甲被选中的情况下,女生乙也被选中的概率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 在四棱锥
中,底面
是平行四边形,
为
的中点,若
,
,则用基底
表示向量
为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/12/6fbc3491-84e5-42fc-9358-f3bcdfc8ec1c.jpg?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c258233e56dc83df02dd2ee6b04afce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a9f0f32a1974b1742c0a06f718c7d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a3cb9091d252236cd0ea225ca51621e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f33a112e9728d7b560199765c815f69.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/12/6fbc3491-84e5-42fc-9358-f3bcdfc8ec1c.jpg?resizew=160)
A.![]() | B.![]() |
C.![]() | D.![]() |
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