急性阑尾炎
A．McBurney点压痛B．Murphy征阳性C．腹中部压痛D．脐周压痛E．下腹正中压痛
参考答案：A
Yuan Longping is a scientist __________ is famous for the development of rice.[ ]
A. that
B. whom
C. what
D. which
总碱度
