单项选择题

在费用优化时，当只有一条关键线路时，缩短持续时间的对象应选择（　　）。

A.直接费用率最小的关键工作
B.间接费最少的关键工作
C.持续时间最长的关键工作
D.直接费最少的关键工作
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单项选择题
Questions 14-15 refer to the following e-mail.From: Restaurant ManagementTo: All StaffAttention workers:Ally's Seafood House will be closed for an entire week at the beginning of March while our kitchen equipment is updated in accordance with the latest health standards. Specific dates for the closure will be announced as soon as we receive notification from the maintenance company.Unfortunately, hourly workers will be forced to take a week of unpaid leave during the scheduled maintenance, but it will not be subtracted from your allotted vacation days. Time off for salaried workers will be paid.Please direct any questions about the closure to your supervisor or shift manager.What does the notice mainly discuss?
A.Anapproachingpaycut
B.Employees'vacationschedules
C.Anupcomingrenovation
D.Newlyhiredkitchensupervisors
单项选择题
工作定义过程中所输出的（ ）是工作排序的重要依据。
A.工作清单
B.详细依据
C.工作分解结构
D.成果说明文件
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