小儿毛细支气管炎的好发年龄是()
A.2岁以内
B.3~6岁
C.7~12岁
D.青春期
E.0~6个月
参考答案:A
Nobody thought it easy to finish so much work in _____.[ ]
A. two days' time
B. two-days time
C. two day's time
D. two days time
善于滋阴降火,退虚热的是( )
A.黄柏
B.盐黄柏
C.酒黄柏
D.黄柏炭
E.鳖血黄柏