下列选项中，不属于取样记录法的是( )
A．时间取样法
B．活动取样法
C．事件取样法
D．行为取样法
参考答案：D
When a project manager is engaged in negotiations，non-verbal communication skills are of______．
A．little importance
B．major importance
C．importance only when cost and schedule objectives are involved
D．importance only to ensure you win the negotiation
该患牙应考虑的诊断是
A．猛性龋
B．氟斑牙
C．静止性龋
D．四环素牙
E．牙齿酸蚀症
