邪气滞留肠腑导致痢疾，其邪气是（）。
A、寒
B、湿
C、火
D、燥
E、暑
参考答案：B, E
治疗白喉的主方是
A．麦门冬汤
B．琼玉膏
C．玉液汤
D．养阴清肺汤
At what gestational age would a primigravida expect to feel "quickening"（）
A. 12 weeks.
B. 16 to 18 weeks.
C. 20 to 22 weeks.
D. By the end of the 26th week.
