In approximating costs，the estimator considers the possible causes of variation of the cost estimates，including （ ）。
A、budget
B、plan
C、risk
D、contract
在估算成本时，估算者会考虑成本估算偏差的潜在原因，包括风险。

Project Quality Management must address the management of the project and the （ ） of the project． While Project Quality Management applies to all projects, regardless of the nature of their product, product quality measures and techniques are specific to the particular type of product produced by the project．
A、performance
B、process
C、product
D、object
项目质量管理必需专注于对项目和项目产品的管理。当所有的项目在运用项目质量管理时，无论项目产品的本质如何，都要依据项目所产生产品的类型明确产品质量的度量和技术。

（ ） is a category assigned to products or services having the same functional use but different technical characteristics． It is not same as quality．
A、Problem
B、Grade
C、Risk
D、Defect
等级是对具有相同使用功能，但技术特性不同的产品或服务所赋予的类别。它与质量不同。

Project （ ） Management is the Knowledge Area that employs the processes required to ensure timely and appropriate generation, collection, distribution, storage, retrieval, and ultimate disposition of project information.
A、Integration
B、Time
C、Planning
D、Communication
项目沟通管理是使用所需过程以确保及时、恰当地产生、收集、分发、存储、收回和最终处置项目信息的知识域。

The （ ） process analyzes the effect of risk events and assigns a numerical rating to those risks.
A、Risk Identification
B、Quantitative Risk Analysis
C、Qualitative Risk Analysis
D、Risk Monitoring and Control
定量风险分析过程分析风险事件的影响并对这些风险赋予一个数值化的评价。