名校
1 . 已知数列
的通项公式为
,则可以作为这个数列的其中一项的数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15f80a7b16c95faf50601e00a87b6c1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-07-27更新
|
151次组卷
|
4卷引用:四川省资阳中学2022 届高三上学期第一次质量检测数学试题
2 . 设
分别是椭圆
的左、右焦点,
为该椭圆上一点,满足
.若
的面积为2,则
的值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f9bdc6d9f09e14b037ea7d3ee1f623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9df1061c3ba5151ba2f7359acaf356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.1 | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
3 . 设多项式
除以
的商式为
,余式
,其中
为实数,则
的值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a22390e38a79e7638b722704272c8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81843351cfa63bb76c9f39aa96434283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b2373399a8dcbcfaa270d31e5e7bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83c14cf5a64502e8345f6a84012ba0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663a61ad241d5d874c9a9362f0ee917c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
4 . 设
分别是等差数列
与
的前
项和,对任意正整数
,都有
若
为质数,则正整数
的值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80cfa0dd330a316deb2c576da63a0c51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915c2d93e74539d834b2680daa45de12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3984de10a443d8a9a9575fec057bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.2 | B.3 | C.5 | D.7 |
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5 . 函数
的最大值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32640b470a14c95f11b5facc3e142403.png)
A.![]() | B.1 | C.![]() | D.![]() |
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6 . 对于实数
,用
表示不超过
的最大整数,例如
,
,
,设x为正实数,若
为偶数,则称x为幸运数.在区间(0,1)中随机选取一个数,它是幸运数的概率为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba82c9b34eaae7374d8f9bbb6abb141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9feb047004eb507de484a7f8c5b6a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ba98f22c3380eeb7b9323fa487c7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a30f271f7b5f08bd81cab2089bb4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfe4ffba1ab1f41d416362ee281ac10.png)
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2019-01-29更新
|
536次组卷
|
2卷引用:四川省成都市实验外国语学校2019届高三二诊模拟考试理科数学试题
7 . 在
中,
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceba46526c1a7df5929c00cd257dba3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367de5eb4da2eb016a6bfc78e25f4ceb.png)
您最近一年使用:0次
8 . 设直线
与曲线
有三个不同的交点
,且
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0660d4864c16652a6b27337462b3f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93b4787448ee5858e81109cc208b7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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9 . 在三棱锥
中,三条棱
两两垂直,且
.若点
为三棱锥
的外接球球面上任意一点,则
到面
距离的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c7267e5313b9b00ef22c94a479fc34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fdf8fda84bfec8d416c4ff96e274c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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10 . 设集合
,若
的非空子集
满足
,就称有序集合对
为
的“隔离集合对”,则集合
的“隔离集合对”的个数为______ .(用具体数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fb1ec19dac22b4946f5e7c391b3520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d247ffb2774bb7e22708b25daf7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
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