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问题 单项选择题

国际法基本原则是指（）、适用于国际法一切效力范围的、构成国际法基础和核心并具有强行法性质的国际法原则。

A.被各国公认的、具有普遍意义的

B.一国制定的

C.联合国确认的

D.发达国家认可的

答案

参考答案：A

单项选择题

It should go without saying that the focus of UML is modeling. However, what that means, exactly, can be an open-ended question. (71) is a means to capture ideas, relationships, decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey. In general, a UML model is made up of one or more (72) . A diagram graphically represents things, and the relationships between these things. These (73) can be representations of real-world objects, pure software constructs, or a description of the behavior of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled. UML 2.0 divides diagrams into two categories: structural diagrams and behavioral diagrams. (74) are used to capture the physical organization of the things in your system, i. e. , how one object relates to another. (75) focus on the behavior of elements in a system. For example, you can use behavioral diagrams to capture requirements, operations, and internal state changes for elements.

（72）处应填（）。

A．views

B．diagrams

C．user views

D．structure pictures
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单项选择题

线路大中修，路基、桥隧大修及大型养路机械施工作业，接触网大修作业，属于（）项目。

A、施工天窗作业

B、维修天窗作业

C、临时天窗

D、故障天窗
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