名校
1 . 已知两点
,
,若直线上存在点P,使
,则称该直线为“B型直线”
给出下列直线:
其中为“B型直线”的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd01b71b83bd6c8a27a712f9c31fd40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd799f4c8fb8e4b9d605f4c71e7edfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d3e961ac3cff5733b45c98bd6cec16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/718b0193d59d2ac91a9e148af021ab43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . “
” 是“函数
在区间
上为增函数”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a646ca216ddaca0dcb69e55f6af6cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965e67224596694025753d3f802d625e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3cc66a47b09bd04e29c82b55faf22.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2018-11-01更新
|
2758次组卷
|
7卷引用:湖南省益阳市桃江县2018-2019学年高二下学期期末数学(文)试题
3 . 设有下面四个命题
:若
,则
;
:若
,则
;
:
的中间项为
;
:
的中间项为
.
其中的真命题为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd03dc2a13e9cafadfd86fe4be3ff637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7054cb13c57d45b0834e781e37c4ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd03dc2a13e9cafadfd86fe4be3ff637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969ae7e4bac0f176c569189b9944e834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b323dfdf6a1689ef048c036af9f02a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ef63ad7b61f3fae0ac81148e7700ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b323dfdf6a1689ef048c036af9f02a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e14aa86103438dee429c799a6c62e79b.png)
其中的真命题为
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2018-05-22更新
|
201次组卷
|
3卷引用:【全国市级联考】湖南省益阳市高三理数5月18日统考试卷
4 . 若双曲线
的焦距等于离心率,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65789157ae6857ef6e89b52105eba571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-05-22更新
|
362次组卷
|
4卷引用:【全国市级联考】湖南省益阳市高三理数5月18日统考试卷
名校
5 . 已知p:
,
;q:
若“
”是真命题,则实数a的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704c21b1058b499455ac2060b9e33027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e6d7a941fd842741a57fd4b91d07ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b701768d7df234d30baedecd6e234ba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094543346d88c4ed45c1b1fb91f5265b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-04-24更新
|
734次组卷
|
7卷引用:湖南省益阳市箴言中学2018-2019学年高二上学期期中考试数学(理)试题
名校
6 . 有下列四个命题:①“若
,则
互为倒数”的逆命题;
②“相似三角形的周长相等”的否命题;
③“若
,则方程
有实根”的逆否命题;
④“若
,则
”的逆否命题.
其中真命题是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377a2333ff8c63cbdb20b882d6d5a7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
②“相似三角形的周长相等”的否命题;
③“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7e3b0dd2adbc3a5f0026027bc54ac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c495ceb48b3e3f555cea4db318f4b98.png)
④“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0f24d1daf9447a4837e7886261c592.png)
其中真命题是
A.①② | B.②③ | C.①③ | D.③④ |
您最近一年使用:0次
2018-01-03更新
|
249次组卷
|
2卷引用:湖南省益阳市箴言中学2018-2019学年高二上学期期中考试数学(文)试题
名校
7 . 已知圆
是圆
上任意一点,过点
向
轴作垂线,垂足为
,点
在线段
上,且
,则点
的轨迹方程是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13c91bab2bd4fcce79aace83733d4a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a99e1ad0d6fb0f13be56d09086366c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94dc887de034db3c8296f3bc824c282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-12-25更新
|
1436次组卷
|
4卷引用:湖南省益阳市箴言中学2018-2019学年高二上学期期中考试数学(理)试题
名校
8 . 已知焦点在y轴上的椭圆
的长轴长为8,则m=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16f489ddbde5d7187e60d6db6c2f588.png)
您最近一年使用:0次
2017-10-14更新
|
524次组卷
|
2卷引用:湖南省益阳市箴言中学2018-2019学年高二上学期期中考试数学(理)试题
12-13高二下·辽宁·期中
9 . 已知函数
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b6f51da4e032f3d4ce3b3aaa0387c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115c1a5654152e9dc4c936a5d451ac0b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 已知
,则“
”是“
”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199e9b71bddd6f73725518ab2d567b32.png)
A.充分不必要条件 | B.必要不充分条件 | C.充分必要条件 | D.既不充分又不必要条件 |
您最近一年使用:0次
2017-06-06更新
|
787次组卷
|
4卷引用:湖南省益阳市箴言中学2018-2019学年高二上学期期中考试数学(理)试题