下列撤离呼吸机的方法中不包括（）
A.反比通气
B.快速撤离法
C.SIMV撤离法
D.SIMV+PSV撤离法
E.容量支持通气（VS）
参考答案：A
She first met Peter four years ago, and he______ at a computer store at that time. [ ]
A. has worked
B. had worked
C. was working
D. had been working
在销售高峰期，应付账款和应计费用增长的速度往往要大于应收账款和存货增长的速度。( )
