名校
1 . 设
则"
" 是"
" 的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae4be9eb6cb3779440fac01fb4846d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a500891d1608a435514fd12411c2057c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff1be6826c204452ec5756c23927862.png)
A.既不充分也不必要条件 | B.必要而不充分条件 |
C.充要条件 | D.充分而不必要条件 |
您最近一年使用:0次
2019-02-14更新
|
1139次组卷
|
4卷引用:【校级联考】山西省芮城县2018-2019学年高二上学期期末考试数学(文)试题
【校级联考】山西省芮城县2018-2019学年高二上学期期末考试数学(文)试题【全国百强校】安徽省六安市第一中学2019届高三高考模拟(四)数学(文)试题人教A版(2019) 必修第一册(上) 重难点知识清单 第一章 集合与常用逻辑用语 1.4 充分条件与必要条件(已下线)专题05+1.4.1充分条件与必要条件(基础练)-2020-2021学年高一数学十分钟同步课堂专练(人教A版2019必修第一册)
2 . 椭圆
的长轴长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e78f1a9cc4dedc05c175ab99b288b9f.png)
A.4 | B.6 | C.10 | D.8 |
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3 . 已知双曲线的一个顶点是
,其渐近线方程为
,则该双曲线的标准方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知命题
:
,则
是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee93d32b7d9d60fa4971dc6bebebc4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04846be789a372725aeda1ec0664b12b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2dd75eeb6ebcfee47231b3de9ce328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fd5acd3cea0866f64bc80ab4c14e3e.png)
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() |
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5 . 直线
过椭圆
的左焦点
,且与椭圆交于
两点,
为
的中点,
为原点,若
是以
为底边的等腰三角形,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e565ed57ee6f265c727ffbfc925869b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 在一次数学测试中,成绩在区间[125,150]上成为优秀,有甲、乙两名同学,设命题p是“甲测试成绩优秀”,
是“乙测试成绩优秀”,则命题“甲、乙中至少有一位同学成绩不是优秀”可表示为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知抛物线
的焦点为F,准线为l,直线m过点F,且与抛物线在第一、四象限分别交于A,B两点,过A点作l的垂线,垂足为
,若
,则
=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b4f31088bc10b6d3bfffc1d7240942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530b46eaf82365b2261726e663970a91.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 抛物线
的焦点坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b29b8517015b3f9ec786028ba08135.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 如图:已知双曲线
中,
为左右顶点,
为右焦点,
为虚轴的上端点,若在线段
上(不含端点)存在不同的两点
,使得
构成以
为斜边的直角三角形,则双曲线离心率
的取值范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/17af8eea-c6d3-41f3-8d20-1ac10b751546.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4848395f95d4e75907b157232c7a4983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377d85e35a20a6efb6f06d5777fab2de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d033df521ba27a157aba5ba232f9fb2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473913c0887bb64d386f4c02f1853452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/17af8eea-c6d3-41f3-8d20-1ac10b751546.png?resizew=151)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知椭圆
的两个焦点分别是
,短轴的两个端点分别为
,左右顶点分别为
,若
为等腰直角三角形,点
在椭圆
上,且
斜率的取值范围是
,那么
斜率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f49644cd9fa4688cc3a74a234952530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d31723d1ca9f44bb1f54f82c8ccd230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d47d8d7b5d5a4439e5865973489cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8cf52a331ac90da18080b8d8df95599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5af6dfeea75f775829f2a69ed08cb6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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