题目内容：
● 在某工程网络计划执行过程中，如果某项非关键工作实际进度拖延的时间超过其总时差，则（69） 。（69）
A.网络计划的计算工期不会改变
B.该项工作的总时差不变
C.该项工作的自由时差不变
D.网络计划中关键线路改变
参考答案：
选择题：● 在某工程网络计划执行过程中,如果某项非关键工作实际进度拖延的时间超过其总时差,则(69) 。 (69
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● 《计算机软件保护条例》规定:对于在委托开发软件活动中,委托者与受委托者没有签订书面协议,或者
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