I have got used to __ forgotten on a party. [ ]
A. being
B. be
C. to be
答案：A
1MPa＝1000KPa。
解除舌后坠的方法，哪项除外（）
A.偏头
B.垫枕抬头
C.托下颌
D.提颏
E.放置口咽通气道
