到中医坐堂诊所就诊，中医师不能提供的诊疗服务有（）。
A.输液
B.拔牙
C.补牙
D.注射退烧针
参考答案：A, B, C, D
.______ to computer games, he had no time to go over his lessons. As a result, he failed in all subjects.
A．Addicting
B．Being addicted
C．Having addicted
D．Addicted
全身应用大剂量青霉素可引起何种不良反应？（）
A、青霉素脑病
B、皮疹
C、肾脏损害
D、肝脏损害
