题目内容

在双代号网络计划中,如果以关键节点为完成节点的工作有4项,则该4项工作()。

A. 全部为关键工作
B. 自由时差相等
C. 至少有一项为关键工作
D. 总时差相等

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某流水组,施工过程数为n=8,施工段为m=6,流水节拍为2天,该流水组的工期为()天。

A. 25
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C. 27
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A. 正确
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Seen from the outer space, the earth is much smaller than the other planets or stars.

A. Y
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听力原文:Attention, please. This is college broadcasting station. This is a meeting notice. All the professors and associate professors will have a meeting in the conference room at 3 p. m. this Friday on November the 14th. The headmaster would like to invite you all to discuss the international academic exchange. Please come to the conference on time. Thank you for listening and next part, let's enjoy a song.
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A. The headmaster's office
B. The associate professors' office
C. The professors' office
D. The college broadcasting station

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