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问题 选择题

本初子午线是（　　）

A．东西半球分界线

B．南北半球分界线

C．0°经线

D．0°纬线

答案

本初子午线（也就是0°经线） 是东西经度的分界线，故选项C符合题意；选项 A、B、D不符合题意．
故选：C．

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.

（75）处填（）。

A．control

B．inheritance

C．inference

D．connection
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单项选择题

下列选项中属于建设单位的质量责任和义务的是( )。

A．执行强制性标准的责任

B．建立质量保障体系的责任

C．依法承揽工程的责任

D．提供原始资料的责任
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