据统计，局麻药不良反应中变态反应的发生率（）
A.2%
B.4%
C.8%
D.15%
E.30%
参考答案：A
— I hear your pen friend is visiting Suzhou at present. Is it the ______ time for her?
— Yes, and she will come for a fourth time next summer.
A．first
B．second
C．third
D．fourth
好发于头面及脂溢部位的红斑水肿、鳞屑、结黄痂，合并松弛性水疱、糜烂。属于哪一类型：
A．外感风热之毒，阻于肺胃二经，蕴蒸皮肤而发B．情志内伤，肝气郁结，久而化火，肝经火毒，外溢皮肤而发C．寒湿困脾，脾失健运，肌肤失养而发D．肝胆湿热，蕴结肌肤而发E．禀赋不耐，风、湿、热毒郁于肌肤而发
