瘿气（甲亢）气滞痰凝证，治疗应首选的方剂是（）。
A.逍遥散合二陈汤
B.龙胆泻肝汤
C.天王补心丹
D.生脉散加味
E.安神定志丸
参考答案：A
Many large cities，such as Liverpool and New York，have had experiments of this kind，_______old factories turned into successful art centers.
A．with
B．for
C．as
D．like
汽油机式消防排烟机主要由汽油机、（）和机架等组成。
A.风机
B.筒体
C.叶轮
D.轴
