概念图可以作为（）。
A.教学工具
B.操作工具
C.学习工具
D.评价工具
参考答案：D
取变压器及注油设备的油样时应注意什么？
A project manager learns that corrective action was implemented by a team member，but not documented．What should the project manager do NEXT ？（）
A．Report the violation to the functional manage
B．Clarify the reasoning behind the team member's actio
C．Add the implemented corrective action to the historical recor
D．Find out who caused the proble
