为了解决我国水资源的紧张问题,做为一名中学生你可以做的是( ) A.开采地下水

题型:选择题

问题:

为了解决我国水资源的紧张问题,做为一名中学生你可以做的是(  )

A.开采地下水

B.修建引水工程

C.治理水污染

D.节约用水

考点:中国的水资源
题型:选择题

“真正推动哲学前进的,主要是自然科学和工业强大而日益迅猛的进步”,这说明  [ ]

A、哲学是具体科学的基础

B、具体科学是哲学的基础

C、哲学可以取代具体科学

D、具体科学可以取代哲学

题型:选择题

肌注阿托品治疗有机磷农药中毒,引起口干作用,称为( )。

A.毒性反应
B.变态反应
C.后遗效应
D.副作用
E.治疗作用

题型: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 u sed 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.

A. things B. picturesC. languages D. diagrams

题型:选择题

何时PA放大器会自动提高音量?()

A、当发动机运转时

B、当客舱空中失压时

C、上述两项都对

D、不确定

题型:选择题

测试的目的是暴露错误,评价程序的可靠性;而 【2】 的目的是发现错误的位置并改正错误。

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