名校
1 . 记“抛掷一颗骰子,向上的点数是4,5,6”为事件
,“抛掷一颗骰子,向上的点数是1,2”为事件
,“抛掷一颗骰子,向上的点数是1,2,3”为事件
, “抛掷一颗骰子,向上的点数是1,2,3,4”为事件
,下列判断正确的有 ( )个
①
与
互斥; ②
与
对立; ③
与
对立; ④
与
互斥;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/8455657dde27aabe6adb7b188e031c11.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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名校
解题方法
2 . 将函数
图象上每个点的横坐标变为原来的
倍,在将得到的图象向左平移
个单位,所得图象的解析( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
3 . 数学兴趣小组有3名男生和2名女生,现从中任选2人参加校数学竞赛,则参赛学生中至少有1名男生的概率是 ( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 一组数据1,5,2,3,4的标准差和上四分位数分别是 ( )
A.2,4 | B.![]() | C.2,2 | D.![]() |
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5 . 已知关于
的方程
有两个虚数根,在复平面上对应两虚根之间的距离为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b67ec816342aa31583dd67b49b16fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
6 . 已知圆台的上下底面圆的半径分别为2和5,高为4,则这个圆台的母线长为( )
A.3 | B.![]() | C.5 | D.![]() |
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7 . 计算:
的结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c829ec8eab1ee156a4f3fe2f703d805f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 计算:
的结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c874089ab94b6a2816da7ad3cfec31.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7日内更新
|
78次组卷
|
2卷引用:江苏省南通市海安高级中学2023-2024学年高一下学期第二次月考数学试题
名校
解题方法
9 . 若
、
是两个不重合的平面:①若
内的两条相交直线分别平行于
内的两条直线,则
;②设
、
相交于直线
,若
内有一条直线垂直于
,则
;③若
外一条直线
与
内的一条直线平行,则
.以上说法中成立的有( )个
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202af51f5ebe87ec0017f439a6ad7fbf.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f236f93b96ed780adb8a79e473efefd.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
7日内更新
|
73次组卷
|
2卷引用:江苏省南通市海安高级中学2023-2024学年高一下学期第二次月考数学试题
10 . 在正三棱柱
中,
,
为棱
的中点,则异面直线
与
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f41d364b55d88688cd1f571ed231228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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