1 . 已知曲线
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e342c358730ee53d4657bdee72c37c.png)
(
为参数),则关于曲线
与
描述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd6c0f36bc7d4fc026c6e844c129c72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e342c358730ee53d4657bdee72c37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64358547ac2911c1590deba4f56839aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2 . 下列四组方程中表示相同曲线的是( )
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次