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前测

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★选择题

1、比较椭圆的形状,哪一个更接近于圆( )

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  • A
  • B
Check my answer (3)

★选择题

2、如图,共顶点的椭圆①,②与双曲线③,④的离心率分别为其大小关系为(    )

Tick all that apply
  • A
  • B
  • C
  • D
Check my answer (3)
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