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。

The （ ） provides the project manager with the authority to apply organizational resources to project activities.
A、project management plan
B、contract
C、project human resource plan
D、project charter
项目章程为项目经理使用组织资源进行项目活动提供了授权。

The （ ） Process Group consists of the processes used to complete the work defined in the project management plan to accomplish the project's requirements.
A、Planning
B、Executing
C、Monitoring and Controlling
D、Closing
执行过程组由用于完成为达成项目要求而在项目管理计划中定义的工作的过程组成。

（ ）are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.
A、Project manager
B、Project team member
C、Sponsor
D、Project stakeholders
项目干系人是指那些积极参与项目或是其利益会受到项目执行或完成的结果影响的个人和组织。