单项选择题
A.黄连 B.黄芩 C.黄柏 D.黄精 E.骨碎补
A.50% B.60% C.70% D.80% E.90%
A.10~20倍 B.20~30倍 C.30~40倍 D.40~60倍 E.20~80倍
A.1/2 B.1/3 C.1/4 D.1/5 E.1/6
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