下述湿证不存在的是
A．外湿
B．内湿
C．虚湿
D．寒湿
E．湿热
参考答案：C
We don't know ______ the meeting will be held soon. [ ]
A. when
B. what
C. whether
D. since
如麻疹合并肺炎，应隔离至出疹后（）。
A.3天
B.5天
C.7天
D.10天
E.12天
