Lesson 5 短对话选择-10 slot time 特定离场时间expire 过期 revise 修改
A. Their slot time has been revised to 0934
B. They cannot depart on time due boarding delay
C. Their slot time expired due catering delay
D. They have been delayed due incorrect flight plan
描述5g的基本的特点,并结合自己所从事的工作,说明5g在那些方面有所应用
消化性溃疡活动期大便隐血试验阳性,提示每日出血量为:
A. <lml
B. l-2ml
C. 2-3ml
D. 3-4ml
E. >5ml ~10 ml