单项选择题

共用题干
某工程项目的进度计划如下面双代号网络计划所示(时间单位:周)。中级建筑与房地产经济,历年真题,2013年中级经济师《建筑经济专业知识与实务》真题根据题意,回答下列问题:

A.15
B.17
C.19
D.21
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多项选择题
共用题干某工程项目的进度计划如下面双代号网络计划所示(时间单位:周)。根据题意,回答下列问题:
A.工作A的紧后工作仅为工作D
B.工作G的紧前工作仅为工作D
C.工作E的紧前工作有工作A.B.C
D.工作E的紧后工作有工作H和I
未分类题
听力原文:M: My teacher scolded me this morning.W: You asked for it. You should have finished your homework in timE.Q: Why was the man scolded by his teacher?(12)A.Because he was naughty.B.Because he asked for it.C.Because he finished his homework.D.Because he didn't finish his homework.
A.W:
B.
Q:
C.Because
D.
B.Because
E.
C.Because
F.
D.Because
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