简述小儿腹泻的概念
参考答案：
小儿腹泻是指由多种病原微生物或多种因素导致的以大便次数增多和大便性状改变为特点的儿科疾病。
What ______ you do if you ______ a teacher? [ ]
A. would, are
B. can, were
C. will, are
D. would, were
不是疮疡后期常用方剂的是
A．四君子汤
B．四物汤
C．六味地黄汤
D．附桂八味汤
E．透脓散
