“用细茶脚汤煮之,一伏时了取出,又研一万匝,方入”(《雷公炮炙论》)中“一万匝”表示的是()
A.基数
B.序数
C.虚数
D.分数
E.乘数
参考答案:C
_____ surprised me most was ____ such a little boy of seven could play the violin so well. [ ]
A. That...what
B. What...that
C. That...which
D. What...which
阻塞性睡眠呼吸暂停低通气综合征患者具有()
A.成人7h睡眠时间内,至少有30次呼吸暂停
B.睡眠过程中呼吸气流强度较基础水平降低
C.动脉血氧饱和度下降
D.呼吸暂停指数大于5
E.上气道塌陷