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问题 多项选择题

应用文书写作的行款格式基本内容包括( )。

A．文号

B．标题

C．署名

D．分段

E．引文

答案

参考答案：B,C,D,E

解析： 行款格式是在长期的书面语表达中约定俗成的书写行列款式。基本内容包括标题、署名、分段、引文和序码。

单项选择题

关于分层抽样的优点，下列说法错误的是（）。

A.分层抽样不仅可以估计总体参数，同时也可以估计各层的参数 

B.抽样方法最简单 

C.降低抽样误差 

D.便于抽样工作的组织
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单项选择题

The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of （） and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions – time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive （） which is concluded with a well-defined （） and can be further broken down into （） – acomplete development loop resulting in a release of an executable product, a subset of the final product under development, which grows incrementally to become the final system. The content structure refers to the disciplines, which group （） logically by nature.

The notions of （） and scenarios have been proven to be an excellent way to capture function requirements.

A．artifacts

B．use-cases

C．actors

D．workers
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