【判断题】【消耗次数：1】
虚工作是既不占用时间,又不耗费资源的工作
①
正确
②
错误
参考答案：
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相关题目
【单选题】
关于虚工作的说法，正确的是
①
虚工作只在双代号网络计划中存在
②
虚工作一般不消耗资源但占用时间
③
虚工作可以正确表达工作间逻辑关系
④
双代号时标网络计划中虚工作用波形表示
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