8. Using the figure below, activity L has an early start time of weeks and an early finish time of weeks.
11, 13
12, 14
13, 15
15, 17

利用下图所示数字计算,活动 L有最早开始时间 周和最早完成时间 周.
11,13
12,14
13,15
15,17

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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