My pain ______ apparent the moment I walked into the room, for the first man I met asked sympathetically: "Are you feeling all right"
A. must be
B. must have been
C. had been
D. had to be
琥珀胆碱用于
A. 静脉注射用于有机磷中毒解救
B. 静脉注射用于长时间手术
C. 气管插管和食管镜等短时间操作
D. 静脉滴注用于惊厥治疗
E. 静脉滴注用于癫痫治疗
Retail sales volume in local urban and rural areas rose 57.8 percent and 46.8 percent over March 2005.
A. individuaily
B. respectively
C. correspondingly
D. accordingly
鼓胀病因不包括
A. 酒食不节
B. 泄泻日久
C. 情志所伤
D. 感染血吸虫
E. 黄疸、积证