正确答案: B

controls

题目：During the project, requirements change for a variety of reasons. As needs change and as work proceeds, additional requirements are derived and changes may have to be made to the existing requirements. It is essential to manage these additions and changes efficiently and effectively. To effectively analyze the impact of the changes, it is necessary that the source of each requirement is known and the rationale for any change is documented. The project manager may, however, want to track appropriate measures of requirements volatility to judge whether new or revised（）are necessary.

解析：该题的关键词为"appropriate measures、 requirements volatility"，其语句结构为"The project manager（主{吾） may, however, want to track（谓{吾） appropriate measures of requirements volatility（宾语） to judge whether new or revised（）are necessary（目的状语从句）"，含义为"项目经理也许会跟踪需求变化的相关度量，以判断是否应该调整的或者新的什么"，因为整段文字讨论的内容都集中于需求变更管理，所以只分析最后一句即可，根据题意，应该在空白处填写"措施"一类的词汇，排除之后只有选项B比较适合，选项A、C和D都可以排除，尤其是选项D是一个很生僻的词汇，含义为"尝试"。

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学习资料的答案和解析：

[单选题]The（）Process Group consists of the processes used to complete the work defined in the project management plan to accomplish the project's requirements.

Executing

解析：该题的关键词为"accomplish the project's requirements"，其语句结构为"The（）Process Group（主语）consists of（谓语）the processes used to complete the work defined"，含义为"用于完成工作的过程组成什么过程组"，所以可知重点描述为"完成工作"，根据项目管理五个过程组的特点，选择Executing（执行）过程组，其他选项容易排除。

[单选题]（） from one phase are usually reviewed for completeness and accuracy and approved before work starts on the next phase.

Deliverables

解析：该题的关键词为"from one phase. reviewed. the next phase"，其语句结构为" （）fromone phase（主语）are usually reviewed（谓语）for completeness and accuracy and approved before work starts on the next phase"，含义为"在开始下阶段之前，需要评审前阶段什么的完整性和准确性"，结合选项分析，容易排除A和B，选项C过于笼统，因而选择选项D。

[单选题]The Unified Modeling Language is a standard graphical language for modeling object-oriented software（）can show the behavior of systems in terms of how objects interact with each other.

Sequencediagram

解析：该题的关键词为"Unifled Modeling Language. behavior of systems、 objects interactwith each other"，其语句结构为"（）（主语）can show（谓语）the behavior of systems（宾语）in terms of how objects interact with each other"，含义为"什么可表示系统对象之间交互的行为"，结合选项分析，可知该题考察的知识点在于UML的不同视图之间的区别。根据UML视图定义，可知应该选择顺序图。

[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?

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

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

[单选题]A （）is a collection of projects and other work that are grouped together to facilitate effective management ofthat work to meet strategic business objectives.

portfolio

[单选题]Estimating schedule activity costs involves developing an (1) of the cost of theresources needed to complete each schedule activity. Cost estimating includes identifying and considering various costing alternatives. for example, in most application areas, additionalwork during a design phase is widely held to have the potential for reducing the cost of the execution phase and product operations. the cost estimating process considers whether the expected savings can offset the cost of the additional design work. cost estimates are generally expressed in units of (2) to facilitate comparisons both within and across projects.the (3) describes important information about project requirement that is considered during cost estimating.

解析：阅读试题可知，整段文章讨论的内容集中于"Costestimating"，分析问题(1)的语句结构为"estimatingscheduleactivitycosts（主语）involves（谓语）developingan (1) ofthecostoftheresources"。接下来使用排除法，如果对于"estimatingscheduleactivitycosts"的特定内容不了解，似乎哪个选项也可以，注意"thelresourcesneededtocompleteeachscheduleactivity"，既然每项活动所需的资源都需考虑，那就只能选择答案summary，summary在此处解释为"汇总"。分析问题(2)对应的语句，"costestimates（主语）aregenerallyexpressed（谓语）inunitsof (2) tofacilitatecomparisonsbothwithinandacrossprojects"，结合选项，此句的含义为"成本估算（结果）通常以作为单位"，故而只能选择C，Currency的含义为"货币"、"通货"，考生即使不熟悉这个单词，也能轻易排除其他三个选项。问题(3)对应的语句，"the (3)（主语）describes（谓语）importantinformationaboutprojectrequirementthatisconsideredduringcostestimating"，所以该句的含义即"描述了成本估算时应考虑的项目需求"。显而易见，选项C和D容易排除，但选择"Projectscopestatement"还是"Scopeofwork"？Scopeofwork（工作说明书）是合同中的附件，用于说明合同的工作范围（此时项目尚未建立），因而选择选项A。