气厥虚证亦有反复发作倾向，为防患于未然，平时可常服（）
A.柴胡疏肝散
B.逍遥散
C.香砂六君子汤
D.河车大造丸
E.小建中汤
参考答案：C
Everyone should keep on getting himself educated so as to be______modern technology.
A．good at
B．successful in
C．up to date with
D．interested in
碳酸钠硫酸钠为蒸发器结垢的主要成分。
