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【多选题】
据下表给定的工作间逻辑关系形成的双代号网络计划如下图所示，图中的错误有( )。A.
节点编号错误
B.
循环回路
C.
有多个起点节点
D.
有多个终点节点
E.
不符合给定的逻辑关系
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反馈参考答案：
举一反三
【简答题】汉代画家最有名的是西汉的( ),擅画人形,丑好老少很逼真,相传他故意把( )画得平常,最终导致汉元帝把她远嫁匈奴。
【单选题】According to the writer, why don't students travel?
A.
a They are too focused on their studies
B.
b They think that traveling is too expensive for them
C.
c Their parents don't allow it
【简答题】下列关于仲裁开庭的说法正确的是（ ）。
【单选题】According to the writer ,why don't students travel?
A.
they are too focused on their studies.
B.
they think that traveling is too expensive for them
C.
their parents don't allow iit
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