鸡内金的药用部位为（）
A.干燥沙囊内壁
B.干燥内壳
C.干燥卵鞘
D.干燥体
E.干燥分泌物
参考答案：A
They suffered a flood last year, but the harvest was not ,____ they got the year before．
A．as many as
B．as much as
C．fewer than
D．less than
把推拿列为汗法之一的医家是（）
A.刘完素
B.张元素
C.李东垣
D.张从正
