正确答案: B

Earned value

题目：（）is the budgeted amount for the work actually completed on the schedule activity or WBS component during a giving time period.

解析：该题的关键词为"budgeted amount for the work actually completed"，其语句结构为"（）（主语）is（谓语）the budgeted amount for the work actually completed"，含义为"什么是实际完成工作对应的预算"，容易判断该语句正是挣值( Earned value)的定义。

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学习资料的答案和解析：

[单选题]Project（）Management is the Knowledge Area that employs the processes required to ensure timely and appropriate generation, collection, distribution, storage,retrieval, and ultimate disposition ofproject information.

Communication

解析：该题的关键词较多，不过都是并列的关系，包括"ensure timely and appropriate generation, collection, distribution, storage, retrieval, and ultimate disposition、 projectinformation"。其主要语句结构为"Project（）Management(主语)is(谓语)the Knowledge Area"，含义为"项目什么管理是知识领域"，后续的定语从句说明该知识领域的特点。其实根据关键词"Proj ect information"考生可以很容易识别出来应该是项目沟通管理。

[单选题]Estimating activity durations uses information on activity scope of（），required resource types, estimated resource quantities, and resource calendars.

work

解析：该题的关键词为"required resource types、estimated resource quantities、 resource calendars"，其语句结构为"Estimating activity durations（主语）uses（谓语）information on activity scope of_____（宾语）"，含义为"估算活动工期应用什么活动范围的信息"，结合前面的关键词，此处应该识别出估算活动工期对应的输入项，因而选择工作范围，选择选项D。