名校
解题方法
1 . 设
是三个不同平面,且
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad6e7a4c010074d364c686124cbf664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202af51f5ebe87ec0017f439a6ad7fbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663397a19ab6ff3fd95d0b69e12aa927.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
名校
解题方法
2 . “
”是“直线
与直线
平行”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb87c1479b168d37a10e5c6be12909b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d556d2302e1d53bd3c569aacd2fb854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782fbfe08602afaa1ec14afbc5ad4080.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
3 . 已知空间向量
,且
共线,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47f7f2196b2478087959cee103bb56b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.-2 | B.2 | C.-4 | D.4 |
您最近一年使用:0次
名校
4 . 在平面直角坐标系
中,已知向量
与
关于
轴对称,若向量
满足
,记
的轨迹为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/582957208ff5f010dfc4dc51055f70be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355dbbed50f876ede00089a5cb593fcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知双曲线
的焦距为4,则该双曲线经过一、三象限的渐近线的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d69facccda4dbfc416bfc47afbbef7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知
,“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3019b662e5dc2750bb6f9199d3250f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e03b355737a5cb03c1ffa5453c34ce7.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
7 . 已知向量
,
,则向量
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f298e421179c4d9fba4a6f788a8cdbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa1100a54cfb24fd23e51f18b0d66dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72da974f283dab2c987f5dddb2f3f402.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知向量
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64dc29174540e711b218e61f7deada90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
A.![]() | B.![]() | C.1 | D.2 |
您最近一年使用:0次
9 . 命题“
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a44156b1dc9950951ddae8fb34456b8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次