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问题 选择题

将分别标有“8V 4W”、“4V 2W”字样的灯泡L1、L2串联使用，电源电压为12V不变，当灯泡L1正常发光时，灯泡L2会 [ ]

A、正常发光

B、比正常发光暗

C、比正常发光亮

D、以上三种情况均有可能

答案

答案：A

单项选择题

The software architecture is a set of software components, subsystems, relationships, interactions, the properties of each of these elements, and the set of guiding principles that together constitute the fundamental properties and constraints of a software system or set of systems. (71) defines a general set of element types and their interactions. The examples include Pipes and Filters, Model-View-Controller, and Reflection. A (72) in software architecture is a representation used to understand or document one or more aspects of a problem or solution. Architecture is usually used in conjunction with many adjunct terms. The (73) defines the key strategies, organization, goals and related processes of the enterprise. At the enterprise level, the (74) may be more of a set of guidelines on how the various software architectures should be constructed consistently across the enterprise. The (75) , which describes the high-level set of elements involved in application from a particular domain along with their interactions, is often used to focus on subsystem definition rather than application process level definition.

（75）处填（）。

A．product-line architecture

B．reference architecture

C．technology architecture

D．infrastructure architecture
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多项选择题

在（）的市场结构中，价格协调越困难.

A.集中度高

B.集中度低

C.产品差别化程度高

D.产品差别化程度低

E.进入壁垒高
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