This bag is _____ than that one. [ ]
A. very heavy
B. heavier
C. heavy
D. the heavier
答案:B
患者经来血量渐少,或点滴即净,色淡,质稀;小腹空坠,头晕眼花,心悸怔忡,面色萎黄;舌淡红,脉细。治疗应首选的方剂是()
A.八珍汤
B.乌药汤
C.滋血汤
D.艾附暖宫丸
E.大补元煎
什么是炭黑的暂时结构?