口腔溃疡或糜烂时用于含漱止痛的药物为（）。
A.0.5％达克罗宁
B.2％地卡因
C.西瓜霜
D.度米芬
E.哌替啶
参考答案：A
It was the dream of becoming rich _____ attracted people from all over the world to the state, ______ gold was discovered in 1848.
A．that; where
B．that; which
C．which; where
D．what; in which
男性，36岁。感冒后二周出现气急，心悸，右上腹痛伴下肢浮肿，诊断为急性心肌炎伴心力衰竭。
［假设信息］如果治疗后病人气急好转，但出现持续性室性心动过速，应首选的治疗（）
A.强心药使左心收缩力增强
B.同步直流电转律
C.利多卡因
D.胺碘酮
E.非同步直流电转律
