The project manager is working to clearly describe the level of involvement expected from everyone involved in the project in order to prevent rework,conflict,and coordination problems.Which of the following BEST describes the project manager’s efforts？

人力资源管理计划过程为()。

不在项目计划内的是()。

在买卖合同中，出卖人出卖交由承运人运输的在途标的物，除当事人另有约定的以外，毁损、灭失的风险自（）时起由买受人承担。

变更请求不能以下列哪种形式提出？()