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问题 单项选择题

对计算机应用领域的叙述正确的是( )。

A．CAI指的是利用计算机进行辅助设计

B．利用计算机来识别各类图象属于人工智能

C．对人造卫星飞行中各参数的调整的计算属于休息处理

D．以上均错

答案

参考答案：B

单项选择题 共用题干题

The traditional model for systems development was that an IT department used (1) which is a process-centered technique, and consulted users only when their input or approval was needed. Compared with traditional methods, many companies find that JAD allows key users to participate effectively in the (2). When properly used, JAD can result in a more accurate statement of system requirements, a better understanding of common goals, and a per commitment to the success of the new system. RAD is a team-based techruque that speeds up information systems development and produces a functioning information system. While the end product of JAD is a(an) (3), the end product of RAD is the (4). The RAD model consists of four phases. During the (5), users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs.

空白（2）处应选择（）

A.initial scope definition

B.requirements modeling process

C.object modeling process

D.architecture design process
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单项选择题

晚期肝硬化患者最严重的并发症是

A．肝性脑病
B．上消化道出血
C．肝肾综合征
D．原发性肝癌
E．感染
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