搜题请搜索小程序“爱下问搜题”
问题 单项选择题

女性患者，二尖瓣狭窄咯血3h。查体：血压120/80mmHg，双肺底湿啰音，心率78/min，律规整。下述处置哪项不适宜

A．静滴硝酸甘油

B．肌注止血药

C．吸氧

D．静注毛花苷C

E．口服呋塞米

答案

参考答案：D

选择题

A÷B=C……D，B○D，○里应填[ ]

A．>

B．<

C．=
查看答案
单项选择题

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.

16（）

A.function

B.definition

C.specification

D.statement
查看答案