1 . 已知抛物线
上一点
到其焦点的距离为2,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e00340a59d73851da1e5048a7cdc6578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf1a6605e782f22ef670c448ed9e210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
A.2 | B.![]() | C.4 | D.![]() |
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2022-03-19更新
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1371次组卷
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2卷引用:青海省西宁市海湖中学2022-2023学年高二上学期期末数学试题