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问题 多项选择题

关于对烧伤人员的急救，正确的是（）。

A、迅速扑灭伤员身上的火，尽快脱离火源，缩短烧伤时间

B、立即检查伤员伤情，检查呼吸、心跳

C、防止休克，窒息，疮面污染

D、用较干净的衣服把伤面包裹起来，防止感染

答案

参考答案：A,B,C,D

单项选择题

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (71) 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 (72) that it must meet. The starting point is usually a set of high-level requirements from the (73) that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for the system and the defines (74) showing how the system will be operated, publishes the system and operation concept documents, and conducts a system concept review (SCR).
Following the SCR, the team derives (75) requirements for the system from the highlevel requirements and the system operations concept. Using structured or object-oriented analysis,the team specifies the software functions and algorithms needed to satisfy each detailed requirements.

A．producer

B．customer

C．programmer

D．analyser
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单项选择题

LFA-1分子在整合素超家族中属于组

A．血小板粘蛋白组

B．β1组

C．VLA组

D．白细胞粘附受体(β2)组

E．β4组
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