[单选题]The process of（）schedule activity durations uses information on schedule activityscope of work, required resource types, estimated resource quantities, and resource calendarswith resource availabilities.

正确答案 ：A

estimating

解析：该题的关键词为"schedule activity durations"，其语句结构为"The process（主语）of（）schedule activity durations uses（谓语）information"，语句的含义为"(?)进度活动持续时间的过程使用信息"，结合选项，此处应该选择动词，所以观察对进度活动持续时间采取什么行为会应用到各种信息（information on schedule activity scope of work, required resource types, estimated resource quantities, and resource calendars with resource availabilities)，只有在估算进度活动持续时间时才会使用这些信息得到活动的工期，其他选项容易排除，因而选项A符合题意要求。

[单选题]On some projects, especially ones of smaller scope, activity sequencing, activity resource estimating, activity duration estimating, and（）are so tightly linkedthat they are viewed as a single process that can be performed by a person over a relatively short period of time.

正确答案 ：D

schedule development

解析：该题的关键词为"activitysequencing. activity resourceestimating. Activityduration estimating"，其语句结构为"activity sequencing, activity resource estimating, activity duration estimating, and （主语）are so tightly linked（谓语）"，含义为"活动排序、活动资源估算、活动工期估算以及什么紧密相关"，该题考察的知识点在于项目进度管理包含的各个子过程，依次为活动定义、活动排序、活动资源估算、活动工期估算、制定进度计划以及进度监控。考生在了解知识点的前提下能够轻松选出选项D,考生如果缺乏相应的知识，则只能碰运气了。

[单选题]In approximating costs, the estimator considers the possible causes ofvariation of the cost estimates, including（）

正确答案 ：C

risk

解析：该题的关键词为"approximating costs、 causes ofvariation"，其语句结构为"the estimator （主语）considers（谓语）the possible causes ofvariation of the cost estimates, including（）"，含义为"估算人员考虑对成本估算可能造成影响的原因，包括什么"。估算成本考虑不确定性，而不确定性正是风险的一个基本特征，所以选择选项C。

[单选题]An activity has an early start date-of the lOth and a late start date of the 19th. The activity also has a duration of 4 days. There are no nonworkdays. From the information given, （）what can be concluded about the activity?

正确答案 ：

[单选题]You are working on the cost budget for one project. Which of the following is true（）

正确答案 ：B

The cost baseline will be used to measure variances and future project performance.

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