治疗小儿痰热咳嗽，治疗应选（）
A．桑菊饮
B．清宁散
C．桑杏汤
D．金沸草汤
E．桑白皮汤
参考答案：B
----Must I do well in all the subjects, Mum?
----Sure, baby! As an old saying goes, knowledge is _________.
A．command
B．effort
C．power
D．energy
Aschoff小体的基本构成：________、________、________。
