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【单选题】
与椭圆 x 2 10 + y 2 4 =1 共焦点且过点（5，-2）的双曲线标准方程是（ ）A.
x 2 5 - y 2 =1
B.
x 2 - y 2 5 =1
C.
x 2 10 - y 2 8 =1
D.
y 2 8 - x 2 10 =1
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反馈参考答案：
举一反三
【单选题】请选择下图标注3所对应的选项。
A.
interspinous (棘间韧带)
B.
anterior longitudinal (前纵韧带)
C.
ligamentum flavum (黄韧带)
D.
intertransverse (横突间韧带)
【简答题】_________(Date Terminal ,DTE)是指用于处理用户数据的设备,是数据通信系统的信源和信宿。
【简答题】Why does the speaker introduce such exact figures in Section G? _______________________________________________________________________________________________________
【单选题】Why does Miranda need to fly back to New York despite the storm?
A.
Because she has a very important meeting the next day.
B.
Because she cannot put up with Miami.
C.
Because she is testing Andrea’s competence.
D.
Because she doesn’t want to miss her daughters’ performance.
【简答题】Why do beginnersoften spend months to practice those eight strokes? Does each of the eight strokes have variations？
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