下牙槽神经阻滞麻醉时出现面瘫,处理方 法为
A.不作特殊处理
B.局部热敷
C.局部理疗
D.口服镇静剂
E.注射维生素B1、维生素B12
参考答案:A
I knew one of the detectives _____ successfully saved the little baby in the accident. [ ]
A. who
B. whose
C. which
D. whom
简单邮件传输协议(SMTP)默认的端口号是______。
A.21
B.23
C.25
D.80