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问题 单项选择题

从保障水平和保障机制来看，城乡社会保障标准不断提高，城乡平均保障标准相对差距从（）年以来逐步缩小。

A.2011

B.2010

C.2013

D.2012

答案

参考答案：A

单项选择题

Representations of software architecture are an enabler for communication between all parties (stakeholders) interested in the development of a computer-based system. An architectural style defines as a family of such systems in terms of a ① of structural organization. More specifically, each ② describes a system category that encompasses: (1) a set of components (e.g., a database, computational modules) that perform a function required by a system, (2) a set of ③ that enable "communication, coordination and cooperation" among components, (3) ④ that define how components can be integrated to form the system, and (4) semantic models that enable a designer to understand the overall properties of a system by analyzing the known ⑤of its constituent parts.

⑤是（）

A.interfaces

B.properties

C.robustness

D.Inter-operation
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单项选择题

选煤厂由原煤准备、选煤、（）、煤泥的处理、产品的装车外运等部分组成。

A、产品脱水干燥

B、产品检验

C、产品质量

D、操作设备
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