治疗肝肾亏损型痛经的最佳方剂是（）
A.归肾丸
B.左归丸
C.杞菊地黄丸
D.调肝汤
E.一贯煎
参考答案：D
It is said that silkworms were first raised by a woman in _____ is now Hebei Province. [ ]
A. which
B. that
C. where
D. what
辙叉有轻伤时，应注意检查观测，达到重伤标准时（）。
