创伤病人麻醉避免误吸下列哪个方法最安全()。
A.推迟麻醉,使进食时间达6小时以上
B.置胃管吸引
C.诱发呕吐
D.充分表面麻醉后清醒气管插管
E.插管时压迫环状软骨
参考答案:D
Estimate at completion(EAC) is ______.
A) actual cost(AC)+budgeted cost(BC) B) actual cost(AC)+estimate to complete(ETC) C) budgeted cost(BC)-actual cost(AC) D) actual cost(AC)-planned value(PV)
All the neighbors admire this family _____ the parents are treating their child like a friend. [ ]
A. why
B. where
C. which
D. that