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问题
多项选择题
我国旅客列车的乘务组织形式有()
A.套跑制
B.包乘制
C.固定制
D.轮乘制
E.负责制
答案
参考答案:
B, D
选择题
There was never any time for Kate to feel lonely, ____ she was an only child.
A. ever since
B. now that
C. even though
D. even as
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单项选择题
绘制多边形的快捷键是()
A.ml
B.pl
C.pol
D.e
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