风险管理是项目管理中的重要内容，其中风险概率分析是指（ ）
A 分析风险对项目的潜在影响
B 调查每项具体风险发生的可能性
C 分析风险的可能消极影响
D 分析风险的可能积极影响

The earned value technique is a commonly used method of performance measurement. It integrates project scope, cost, and schedule measures to help the project management team assess project performance. If a project ’ s Schedule Performance Index(SPI=EV/PV) value less than 1.0, it means that （  ）.
A．the project is ahead of its planned schedule
B．less work was completed than was planned
C．the cost overrun for work completed
D．the cost under-run of performance to date答案解析与讨论：https://www.ruantiku.com/shiti/1093377.html