血滞经闭一般选用
A．中极、太冲、三阴交、合谷
B．关元、脾俞、肾俞、足三里
C．中极、三阴交、合谷、足三里
D．中极、太冲、合谷、肾俞
参考答案：A
A teacher and writer ___ coming to give a talk tomorrow afternoon . [ ]
A. was
B. were
C. is
D. are
近年来认为周期性麻痹是（）异常引起的一组疾病，主要侵犯（）和（）系统，也可累及心脏和肾脏等。
