单项选择题

A．existing database and application programB．applicatio……

Accelerated analysis approaches emphasize the construction of （） to more rapidly identify business and user requirements for a new system. As an accelerated analysis technology,（） reads the program code and automatically generates the equivalent system model, and the code can be obtained from （） . All system analysis approaches require some form of （） which includes those techniques to be used to identify or extract system problems and solution requirements from user community. （） is a classical set of techniques used to collect information about system problems, opportunities, solution requirements, and priorities.

and the code can be obtained from （）

A．existing database and application program
B．application program and user interface
C．existing database and user interface
D．existing database, application program and user interface

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单项选择题（）reads the program code and automatically generates the equivalent system model

A．eXtreme programming
B．model driven
C．reverse engineering
D．agile method

单项选择题乙方接收报文后发送（）的报文给甲方

A．SYN=1，序号=X+1
B．SYN=1，序号=X+1，ACKX=1
C． SYN=1，序号=Y，ACKX+1=1
D．SYN=1，序号=Y，ACKY+1=1

单项选择题Accelerated analysis approaches emphasize the construction of （） to more rapidly identify business and user requirements for a new system

A．object models
B．prototypes
C．use cases
D．components

单项选择题甲方发送（）的报文给乙方

A．SYN=1，序号=X
B．SYN=1，序号=X+1，ACKX=1
C．SYN=1，序号=Y
D．SYN=1，序号=Y，ACKY+1=1

单项选择题如图，某大型企业的厂区 A（有空气污染）与生活区 B 拟建于一条大河的两侧，其坐标表示大致为（单位：公里）：厂区位于点A（0，3），生活区位于点B（2.5，0），河的两岸分别为直线Y=1 与Y=1.5。为方便企业职工在厂区与生活区之间来往，还需要在该条河上建一座垂直于两岸的桥。为使企业职工通过该桥往来厂区与生活区之间的距离最短，桥应建在坐标X=（）处。

A．1
B．1.25
C．1.5
D．2