名校
1 . 命题
方程
表示焦点在
轴上的椭圆,则使命题
成立的充分必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a349f402f04751e4fc48903ca9366310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-12更新
|
563次组卷
|
3卷引用:广东省汕头市金山中学2023-2024学年高二上学期期末考试数学试题
解题方法
2 . 信宜市是广东省首个“中国慈孝文化之乡”.为弘扬传统慈孝文化,信宜某小学开展为父母捶背活动,要求同学们在某周的周一至周五任选两天为父母捶背,则该校的同学甲连续两天为父母捶背的概率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知两个等差数列2,6,10,
,202及2,8,14,
,200,将这两个等差数列的公共项按从小到大的顺序组成一个新数列,则这个新数列的各项之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
A.1678 | B.1666 | C.1472 | D.1460 |
您最近一年使用:0次
2024-03-03更新
|
687次组卷
|
5卷引用:广东省茂名市信宜市2023-2024学年高二上学期期末数学试题
4 . 已知直线
的斜率为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f468d432c6998f7db90286f9b9320403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.3 | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2024-02-29更新
|
469次组卷
|
2卷引用:广东省部分学校2023-2024学年高二上学期期末教学质量监测数学试卷
5 . 若圆
与圆
恰有两个公共点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e25b317906ca42ab1c73779cb462ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c4583ad5608011d1c29e2e2f1e9b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-28更新
|
226次组卷
|
2卷引用:广东省部分学校2023-2024学年高二上学期期末教学质量监测数学试卷
6 . 已知直线
与圆
相交于
两点,且
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ec540f443a059c698f3e6cecfc683c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccdfd6d3e21084121ea5cd11b6b26e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/170afcc07134e3f5b89bccc1a3792d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() ![]() | B.![]() | C.![]() ![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知方程
表示一个圆,则实数
取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aab786e79d7e2c2ce2b7d653de7b35e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A. ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知数列
的通项公式
,其前
项和为
,则
取最小值时
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47609a2cc784336c2637de6612c9f605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.1012 | B.1013 | C.1014 | D.1015 |
您最近一年使用:0次
名校
9 . 等比数列
中
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7468cb24657a92735833378a8da3f98e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd21f4cb498101d26b4aaa2e1a6addc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 如图,正方体
的棱长为1,设
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8780f5b68f8907a57c1c2f96233a78c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d64aeed4b2ac342969a1a1ef08ea6aa7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/7ba1e4df-0d64-48fb-a531-eeae371ab343.png?resizew=160)
A.1 | B.![]() | C.0 | D.2 |
您最近一年使用:0次