在网络计划中,若某工作的( )最小,则该工作一定是关键工作。
A.持续时间
B.自由时差
C.时间间隔
D.总时差
参考答案:D
144. The reason why the two _____ cannot speak _____ language is that they were born in America and were brought up in a Japanese family.
A.Germans; German
B.Germen; the German
C.Germen; German
D.Germans; the German
确定信息来源是工作分析中的()的工作。
A.准备
B.描述
C.调查
D.计划