He had a clear ______ of what was wrong with the machine and fixed it in a short time.

A．蜂窝织炎中期，热毒炽盛
B．初期肿疡
C．溃疡后期，疮口难敛
D．蜂窝织炎已成脓
E．溃疡早期

A．要求被授权者按自己的意图循规蹈矩
B．强调被授权者处处看自己的眼色行事
C．是被授权者的意见与才智充分发挥和展示
D．乐意把自己的意愿传授给被授权者

A．7
B．8
C．9
D．10