变更控制委员会的作用是：（）

在下列哪种情况下，需要附加的风险应对措施开发()。

费用预测的计算包括（）

平衡线形图balance chart最常用于（）

One of your team members informs you that he does not know which of the many projects he is working on is the most important . Who should determine the priorities among projects in a company？