（ ） is the process of obtaining the stakeholdrs'formal acceptance of the completed project scope .verifying the scope includes reviewing deliverables and work results to ensure that all were completed satisfactorily.
A、project acceptance
B、scope verification
C、scope definition
D、WBS Creation
范围验证是指获取项目干系人对已完成的项目范围的正式认可的过程。验证范围包括了评审可交付物和工作成果，以确定它们均已令人满意地完成。

（ ） involves comparing actual or planned project practices to those of other projects to generate ideas for improvement and to provide a basis by which to measure performance. These other projects can be within the performing organization or outside of it, and can be within the same or in another application are a.
A、Metrics
B、Measurement
C、Benchmarking
D、Baseline
基准分析涉及到将实际或计划的项目实践与其他项目进行比较，以产生改进的思想并提供一个测量绩效的基准。其他项目可以是执行组织内部的，也可以是外部的，可以是同一个应用领域的，也可以是其他应用领域的。

（ ） is the budgeted amount for the work actually completed on the schedule activity or WBS component during a given time period.
A、Planned value
B、Earned value
C、Actual cost
D、Cost variance
挣值是在给定时期内按进度活动或WBS部件所完成工作的预算值。

The process of （ ） schedule activity durations uses information on schedule activity scope of work, required resource types, estimated resource quantities, and resource calendars with resource availabilities.
A、estimating
B、defining
C、planning
D、sequencing
估算活动历时的过程会用到活动工作范围、所需资源类型、估计的资源数量以及建立在资源可用性上的资源日历等信息。

The （ ） describes, in detail, the project's deliverables and the work required to create those deliverables.
A、project scope statement
B、project requirement
C、project charter
D、product specification
项目范围说明书详细描述了项目的可交付物以及为创建这些可交付物所需的工作。