肺痈恢复期的主方是
A．沙参麦冬汤
B．桔梗汤
C．清燥救肺汤
D．千金苇茎汤
E．加味桔梗汤
参考答案：C
— Where ___________ you last Sunday?
— I ___________ in New York.[ ]
A. was, was
B. were, were
C. were, was
聚乙烯燃气管道分SDR17.6和SDR11两种系列，前者适用于输送天然气、人工煤气和液化石油气(气态)；后者适用于输送天然气。( )
