项目经理怀疑一名团队成员严重影响到其他团队成员。若要避免不适当的影响，项目经理可以采用以下哪一种方法？

You are managing a two-year project involving staff from several departments . The project is on schedule and within budget . A key team member leaves for a four-week vacation without completing a highly technical and specialized task assigned to him (tas

重要的项目干系人质疑项目基准的有效性，经过长时间讨论，仍然无法达成一致。项目经理应该如何做？()

对项目来说，暂时的意思是：()

最高风险影响通常发生在项目生命周期的哪些阶段？ （）