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>> 河南成教 / 高等数学C
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河南成教 / 高等数学C
正确率：100%
1、
设曲线
是从点
到点
的直线段，则
（ ）
A．
B．0 C．2 D．
（分数：3 分）
A. A
B. B
C. C
D. D
佳题速递：
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