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问题 多项选择题

攀登和悬空高处作业人员以及搭设高处作业安全设施的人员必须经过（）合格，持证上岗。

A.专业考试合格

B.体格检查

C.专业技术培训

D.思想教育

E.技术教育

答案

参考答案：A, C

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

空压机出口压力低的原因有（）。

A、进口导叶自身改变；

B、吸入量降低；

C、排出压力控制系统故障；

D、消耗量低。
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