若要配置20%乙醇500ml,需取95%乙醇的量为
A.100.7mlB.102.5mlC.105.3mlD.237.5mlE.500.0ml
参考答案:C
― What sort of friend do you want to have? Someone beautiful?
― Well, it ____ be beautiful―that’s not important.
A.mustn’t
B.can’t
C.won’t
D.needn’t
寒证化热,指患者先有寒证,后出现热证的证候。