项目生命周期定义了从项目开始直至结束的项目阶段，以下关于项目阶段的叙述中， （ ） 是不正确的。
- A.大多数项目生命周期定义的阶段顺序通常从技术上可以分为需求分析，系统设计，系统构建，系统运行四个阶段
- B.按管理活动出现的先后，把项目的生命周期划分为启动、计划、执行和收尾四个典型阶段
- C.在条件许可或涉及的风险可接受时，下一阶段可以在前一阶段结束前开始
- D.根据实际需要，项目的阶段中可能只包含管理工作或只包含技术工作
正确答案及解析
正确答案
解析
大多数项目生命周期定义的阶段顺序通常从技术上可以分为需求分析，系统设计，系统构建，系统运行四个阶段，按管理活动出现的先后，把项目的生命周期划分为启动、计划、执行和收尾四个典型阶段，在条件许可或涉及的风险可接受时，下一阶段可以在前一阶段结束前开始。俗话说，三分技术7分管理，任何项目的阶段中都包含管理工作和技术工作，只是根据项目性质、规模、大小、管理和技术所占比重进行权衡分配。
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