不宜行扁桃体切除的情况有()
A.慢性扁桃体炎急性发作
B.扁桃体周脓肿
C.扁桃体过度肥大防碍吞咽、呼吸
D.病灶性扁桃体
E.单侧扁桃体良性肿瘤
参考答案:A
教学过程的中心环节是______。
A.感知教材,形成表象 B.理解教材,形成概念C.巩固知识,形成记忆 D.运用知识,形成技能技巧
As an old saying goes, friendship is like money: easier made than ______. [ ]
A. to be kept
B. kept
C. keeping
D. having kept