《素问·阴阳别论》曰：“--结谓之水。”（）
A.三阴
B.三阳
C.二阴
D.二阳
E.少阴
参考答案：A
The man remained __________ he was and waited for his wife who was shopping in the market.
A．what
B．how
C．who
D．where
制备抗血清时，动物采血应在末次免疫后（）.
A.1～3天
B.5～7天
C.7～10天
D.15～20天
E.20天以上
