—Our P.E. teacher isn't as young as he _____, is he?

—No, but he is one of _____ in our school.[ ]

A. looked; the youngest teacher

B. looks; the youngest teachers

C. looks; the oldest teachers

D. looked; the oldest teacher

不合理用药的具体表现之一为

A．收受药品回扣

B．使用过期药品

C．无适应证用药

D．发生药物不良反应

E．审查处方不严格