临床常用的根管消毒方法是
A．超声消毒B．药物消毒C．微波消毒D．电解消毒E．激光消毒
参考答案：B
Because of the nuclear crisis caused by the earthquake in Japan, many people lined up to
buy salt ______ seeking protection from radiation. [ ]
A. in face of
B. in search of
C. in terms of
D. in hopes of
应急预案备案生产经营单位需交哪些材料？
