正确答案:

题目：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.

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学习资料的答案和解析：

[单选题]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.

estimating

解析：该题的关键词为"scheduling、executing、monitoring、controlling"，其语句结构为''Project work packages（主语）are typically decomposed into（谓语）smaller components"，含义为"项目工作包通常被分解为更小的活动"，分析后得知空白处的选项应该和上述的关键词为并列的词语，且顺序排列在其他的关键词之前，因而只能选择选项B，因为只有首先进行项目估算，才能制定项目进度，然后才能执行和监控，其他选项不符合题意。

[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。

[单选题]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.

track

解析：该题的关键词为"project schedule、 baseline"，其主要的语句结构为一个定语从句结构"project schedule that （主语）can serve as （谓语）a baseline to_progress"，含义为"项目进度可以作为怎么样项目进展的基线"，根据题意，容易判断对项目进度进行跟踪，所以选择选项B。

[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.