急性化脓性牙髓炎疼痛特点之一是（）
A.持续性轻微钝痛
B.可有重度的叩痛
C.发作短间歇时长
D.热不引起剧烈痛
E.冷刺激疼痛缓解
参考答案：E
Mo Yan, a famous Chinese writer,won the Nobel Prize for literature at the end of the year 2012.We learn that success the person with a never-give-up attitude.
A．drives out
B．takes over
C．belongs to
D．takes away
诊断和改正程序中错误的工作通常称为______。
