6. Precedence Diagram Method (PDM) differs from Arrow Diagramming Method (ADM) primarily by allowing to represent .
Arrows, activity time durations
Nodes/boxes, events
Nodes/boxes, activities or work
Constraints, slack time
优先图示法 (PDM) 与箭线图示法 (ADM) 的主要区别在于通过用 来表示 .
箭线, 活动持续时间
节点/方框, 事件
节点/方框，活动或工作
限制因素, 机动时间
7. The starting point in the development of a top-down CPM chart is the .
Project specification tree
Customer’s deliverable list
Customer’s milestone dates
Work Breakdown Structure
在制定自上而下的关键路线法CPM图的起点是 .
项目规格树
客户的交付物目录表
客户的里程碑日期
工作分解结构
9. Core planning processes have clear dependencies that require them to be performed in essentially the same order on most projects. Which of the following is the correct order as a portion of core planning processes?
Scope planning, scope definition, activity sequencing, activity duration estimation
Scope definition, scope planning, activity definition, activity sequencing, activity duration estimation
Scope planning, scope definition, activity sequencing, activity definition, activity duration estimation
Activity duration estimation, scope planning, scope definition, activity definition, activity sequencing
核心计划过程有明确的依赖关系，在大多数项目中要以同样的顺序必须完成. 下列哪一项符合核心计划过程的正确顺序：.
a. 范围规划--范围定义--活动排序--活动工期估计
b. 范围定义--范围规划--活动定义--活动排序--活动工期估计
c. 范围规划--范围定义--活动排序--活动定义--活动工期估计
d. 活动工期估计--范围规划--范围定义--活动定义--活动排序
10.In which project life cycle phase is uncertainty associated with project integration usually the greatest?
Project executing
Project planning
Project closeout
Project approval
在项目生命周期哪一阶段，项目整合的不确定性最大?
a. 项目执行
b. 项目规划
c. 项目收尾
d. 项目审定
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