颈外静脉置管的适应症是()
A.骨髓炎
B.脓毒血症
C.急性菌痢
D.没有合适的周围静脉然需静脉通路的病人
参考答案:D
David felt________of the foolish thing he had done in the classroom. [ ]
A. shameful
B. ashamed
C. shamed
D. shaming
B328设备采用()的保护地线。