What is the purpose of the work breakdown structure (WBS)？（）
A. The WBS allows the project managers to delegate responsibility of all of the project activities
B. The WBS is a narrative description of the work required for the project
C. The WBS describes the total program as a summation of subdivided elements
D. The WBS is a statement of what will be made, how many units will be made, and when they will be made
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吹填施工方法中，( )适用于土源距吹填区较远，且水上运距较长的工程。
A. 单船直输型
B. 组合输送型
C. 多区吹填型
D. 船泵直输型
In your project, if the benefit cost ratio is greater than 1, it means that （）.
A. the ratio of profits to cost is greater than 1
B. the ratio of revenue to cost is greater than 1
C. you should select this project from all other competing alternatives
D. none of the above
A precise description of a deliverable is called a （）.
A. specification
B. baseline
C. work package
D. work breakdown structure element
All of the following is true for a project baseline EXCEPT （）.
A. it is the original approved plan
B. it includes approved scope changes
C. it is useful in detecting project variances
D. it is useful in preparing the WBS
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