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问题 选择题

His brother _____ in the army for two years. [ ]

A. joined

B. took part

C. served

D. served for

答案

答案：C

选择题

关于对永动机的认识，下列说法正确的是：（ ）

A．第一类永动机和第二类永动机都违背了能量守恒定律，所以都不可能制成

B．第一类永动机违背了能量守恒定律，第二类永动机没有违背能量守恒定律，因此，随着科学技术的迅猛发展，第二类永动机是可以制成的

C．第一类永动机违反了能量守恒定律，第二类永动机违反了热力学第二定律，这两类永动机都不可能制成

D．两类永动机的实质和工作原理是相同的，都是人们的美好设想，是永远不会实现的
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单项选择题

Your company's project review committee (PRC) meets quarterly to review any project with a budget exceeding $2 million. You recently were promoted to senior project manager and were assigned one of these largest projects, the development of a next-generation, computer-aided manufacturing process. The PRC asked you to present the project's objectives, work content, and deliverables at its next meeting. Accordingly, you need to prepare which one of the following documents ？（）

A．project charter

B．product description

C．scope statement

D．WBS
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