气管插管操作时的并发症有()
A.口腔组织损伤
B.高血压、心动过速
C.返流误吸和吸入性肺炎
D.颅内高压
E.喉、支气管痉挛
参考答案:A, B, C, D, E
You need to take your job________if you want to keep it.
A.curiously
B.seriously
C.nervously
D.Humorously
在双层滤料过滤器内,上层滤料一般是石英砂,下层滤料是无烟煤。()