美国电器制造协会和美国金属贸易协会开发并推荐实用的一种工作评价标准中，将工作要素分为

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (16) of the technical requirements for the software product.
During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each _( 17) that it must meet. The starting point is usually a set of high level requirements from the (18) that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for the system and then defines (19) showing how the system will be operated publishes the system and operations concept document and conducts a system concept review (SCR).
Following the SCR, the team derives (20) requirements for the system from the high level requirements and the system and operations concept. Using structured or object-oriented analysis, the team specifies the software functions and algorithms needed to satisfy each detailed requirement.

A．criterion

B．standard

C．model

D．system

铁路上两节车厢之间使用的车辆自动连接器，不需工人到两节车厢之间直接操作，避免发生被车厢撞伤的事故，这是采用( )的结果。

A．提高结合部的可靠性

B．结构安全设计

C．简单化和标准化设计

D．人机界面设计

“孔雀舞”是哪个民族的传统民间舞蹈？（）

A.彝族

B.壮族

C.傣族

D.苗族

在工程分析方法中，类比法是什么？

在商业银行的风险管理和控制措施中，下列哪项属于可降低的操作风险的管理策略（）.

A．减少某损失严重产品的交易 

B．对出纳人员实行强制休假制度 

C．购买保险 

D．为操作风险计提风险资本金