单项选择题

在现实中,垄断厂商的一级价格歧视是一种非常普遍的价格歧视的做法。(  )
A、正确
B、错误

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单项选择题

Which is the correct posture of patient when zhongfu(LU1), konzui(LU6), zusanli(ST36) and sanyingjiao(SP6) are needled at the same time?()

A.Prone position
B.Supine position
C.Sitting in flexion
D.Sitting in lateral flexion
E.Lateral position