题目内容:
( ) risks cannot be management proactively and therefore may be assigned a management reserve.
A.Known
B.Natural
C.Unknown
D.Human
参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析:
( ) risks cannot be management proactively and therefore may be assigned a management reserve.
A.Known
B.Natural
C.Unknown
D.Human