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.
Project selection methods involve measuring value or attractiveness to the project owner or sponsor and may include other organizational decision criteria （）is not a project selection method.
Project work packages are typically decomposed into smaller components called activities to provide a basis for（）scheduling, executing, and monitoring and controllingthe proj ect work.
Project Quality Management processes include all the activities of the（）that determine quality policies, objectives and responsibilities so that the project will satisfy theneeds for which it was undertaken.
Project Quality Management must address the management of the project and the（）ofthe 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.
Many of the activities performed during the preliminary investigation are still being conducted in(1),but in much greater depth than before. During this phase, the analyst must become fully aware of the (2) and must develop enough knowledge about the (3)and the existing systems to enable an effective solution to be proposed and implemented. Besides the(4)for process and data of current system, the deliverable from this phase also includes the(5)for the proposed system.
空白（1）处填（）Project （） Management includes the processes required to ensure that the project includes all the work required, and only the work required, to complete the project successfully.
The inputs of developing project management plan do not include（）
Creating WBS means subdividing the major project deliverables into smaller components until the deliverables are defined to the level（）
Developing the project schedule is often an iterative process. It determines the planned start and finish dates for project activities and milestones. Schedule development can require the review and revision of duration estimates and resource estimates to create an approved project schedule that can serve as a baseline to（）progress.
Performing（）involves monitoring specific project results to determine if they comply with relevant quality standards and identifying ways to eliminate causes of unsatisfactory results.
Project（）Management includes the processes required to ensure that theproj ect includes all the work required, and only the work required, to complete the project successfully.
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