名校
解题方法
1 . 已知
,
,且
,
均为锐角,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a077ceccea768ed3c664d38d55242fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06397fbd8b97298fc8bf8f1f42e21d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,在正方体
中,
,
分别为
,
的中点,则异面直线
与
所成角的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知
为虚数单位,
,复数
的共轭复数为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d971e248bd035650f7fc77adaea2ba1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa63536f51438bae1a5c3d6d2bd2d01.png)
A.0 | B.1 | C.2 | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知
是奇函数,
是偶函数,它们的定义域都是
,且它们在
上的图象如图所示,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e99bebf8db0d314aacb2cb1f09bf48c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ab84192e12bb292bc9fbd0b29fbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53846ceba68aabfa15acda6304743ed2.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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2023-12-11更新
|
167次组卷
|
4卷引用:贵州省黔东南自治州镇远县文德民族中学校2021-2022学年高二上学期期末数学(文)试题
解题方法
5 . 给出一个算法的程序框图(如图所示),若输入
,
,
,则输出
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb75557d217f59ef1f33e8da1ac0d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/789ab3e7-da78-4b4f-a1ca-641c4778925f.png?resizew=160)
A.3 | B.5 | C.7 | D.2 |
您最近一年使用:0次
解题方法
6 . 某三棱锥的三视图如图所示,其主视图和俯视图均为斜边长是4的等腰直角三角形,则该三棱锥的体积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/6ec30b0d-e02d-4d79-a430-635c7666248f.png?resizew=166)
A.![]() | B.![]() | C.4 | D.2 |
您最近一年使用:0次
2024-01-06更新
|
96次组卷
|
2卷引用:贵州省黔东南自治州镇远县文德民族中学校2022届高三上学期期末数学(理)试题
7 . 已知集合
,集合
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88004856d376f04aeb52a321d8af31bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada22303b977c3db54c7eb6213b2d30b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-12-28更新
|
218次组卷
|
2卷引用:贵州省黔东南自治州镇远县文德民族中学校2022届高三上学期期末数学(文)试题
8 . 复数
(i为虚数单位)的实部与虚部互为相反数,则实数a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d81826f2ae720f18068a74bd0d8d3718.png)
A.-2 | B.-1 | C.1 | D.2 |
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解题方法
9 . 函数
是奇函数,则实数
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db256df902b0cc37b50bdcfeedbfe44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.1 | C.![]() | D.![]() |
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解题方法
10 . 设
满足约束条件
,则目标函数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a43b02944496312e7059c99bf9b622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1995404eb114809bc18fbdb4f1388b2.png)
A.5 | B.![]() | C.3 | D.1 |
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