最早提出用截趾手术治疗脱疽的著作是（）
A.《内经》
B.《肘后备急方》
C.《刘涓子鬼遗方》
D.《外科正宗》
E.《千金方》
参考答案：A
疫毒痢的治法是（）
A.清热解毒化湿
B.活血解毒和胃
C.凉血清热利湿
D.清热利湿和胃
E.清热凉血解毒
Can you solve such problems ___raised by the audience?
A．what were
B．as were
C．that were
D．which were
