现选择净现值作为某项目投资方案的敏感性分析对象,其结果如图1-1所示,则净现值对三种不确定因素Ⅰ、Ⅱ、Ⅲ的敏感性从大到小的排列顺序为()。
A. Ⅱ—Ⅲ—Ⅰ
B. Ⅰ—Ⅱ—Ⅲ
C. Ⅰ—Ⅲ—Ⅱ
D. Ⅱ—Ⅰ—Ⅲ
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我国规定,限制新建和改建含硫量大于()的煤矿。
A. 1.0%
B. 1.5%
C. 3.0%
D. 0.05
An architectural Style. defines as a family of such systems in terms of a (1) of structural organization.More specifically an architectural style. defines a vocabulary of (2) and connector types, and a set of (3) on how they can be combined. For many styles there may also exist one or more (4) that specify how to determine a system's overall properties from the properties of its parts. Many of architectural styles have been developed over the years.The best-known examples of (5) architectures are programs written in the Unix shell.
(1)
A. pattern
B. data flow
C. business process
D. position level
A.event-basedB.object-orientedC.pipe-and-filterD.layered
A. event-based
B. object-oriented
C. pipe-and-filter
D. layered
项目管理工具用来辅助项目经理实施软件开发过程中的项目管理活动,它不能(1)。(2)就是一种典型的项目管理工具。
(1)
A. 覆盖整个软件生存周期
B. 确定关键路径、松弛时间、超前时间和滞后时间
C. 生成固定格式的报表和裁剪项目报告
D. 指导软件设计人员按软件生存周期各个阶段的适用技术进行设计工作