救生员正面接近溺者，应游至离溺者（）米处左右，下潜至溺者髋部以下，然后双手扶溺者髋部，转体180度。
参考答案：3
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
应按被测压力为仪器量程的（）选择压力计压量。
A、20%～70%
B、20%～80%
C、30%～80%
D、10%～30%
