The spiral model is a software development model combining elements of both(73)and prototyping-in-stages, so it's a healthy mix of top-down and bottom-up concepts。

A．design

B．progam

C．coding

D．plan

[单选题]The spiral model is a software development model combining elements of both

[单选题]［A］ tendency ［B］ procedure ［C］ development ［D］ relation

[单选题]In which phase of the software engineering process is the Software Requirem

[单选题]In 2011, a software company recorded unearned revenue related to a software

[单选题]Software（）referstothatthesoftwaretomeetthespecificationmustbeproduced.A . testB . supportC . developmentD . process

[单选题]Software（）focusesonthreeattributesoftheprogram：softwarearchitecture，datastructure，andproceduraldetail.A . analysisB . designC . installationD . upgrade

[名词解释] 模型（Model）

[单选题]The software structure is an expression of the relationship among software modules.In the following phrases, which are NOT the relations among software modules? (2 Points)Ⅰ.calling relationⅡ.belonging relationⅢ.Execution relationⅣ.process relationA．Ⅰ

[单选题] Documentation of a software package is normally produced for two purposes. One is to explain the __(71)__ of the software and describe how to use them. This is known as __(72)__ because it is designed to be read by the user of the software. The othe

[单选题]（） is software to manage the relationship and communication between customers and suppliers.A . CRMB . MRPC . ERPD . SCM