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问题 多项选择题

蒸汽凝结水管道的排空气装置通常设置在（），以便在系统运行过程中能及时的排除凝结水管道中的空气。

A.凝结水干管的始端（高点）

B.凝结水干管的始端（低点）

C.疏水器的后方

D.疏水器的前方

答案

参考答案：A, D

单项选择题

依据宪法和法律，下列选项中哪一个不属于全国人大 * * 团的职权？（）

A．向全国人大提出罢免国务院组成人员

B．向全国人大提名国家 * * 、副 * * 的人选

C．向全国人大提出宪法修正案

D．主持全国人大会议
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单项选择题

Traditional structured analysis techniques focus upon the flow of (71) within a system. Object - oriented analysis emphasizes the building of real - world models. It examines requirements from the perspective of the classes and objects found in the vocabulary of the (72) domain.

Traditional system design method emphasizes the proper and effective structure of a complex system. Object -oriented design method encompasses the process of object -oriented decomposition and a (73) for depicting both logical and physical as well as static and dynamic models of the system under design.

Object - oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an (74) of some class, and whose classes are all members of a hierarchy of classes united via (75) relationships.

72（）

A．problem

B．solution

C．data

D．program
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