【多选题】对系统存在的不安全因素进行( ),这是安全评价的基础。
【单选题】( ) 是社会历史的主体,是社会物质财富与精神财富的创造者。
【单选题】()是社会历史的主体,是社会物质财富与精神财富的创造者。
【单选题】What does the news item say about Luis Urzua?
A.
He was responsible for the accident.
B.
He was the last miner to be rescued.
C.
He was the leader of the rescue team.
D.
He was trapped underground for almost 24 hours.
【简答题】离开收银台时,要将( )牌放在收银台上,并将现金全部锁入收银机的抽屉内,钥匙要随身携带或交由值班长保管。
【单选题】企业投资者进行财务报表分析的根本目的是关心企业的
【简答题】听对话和问题,选择适当的选项。 1. What's Alan's favorite ball ? [ ] A B C 2. What does the man want to have for his meal? [ ] A B ...
【简答题】( )是社会历史的主体,是社会物质财物和精神财富的创造者。
【单选题】—What ____ he usually do on weekends? —He sometimes ____ TV. [ ]
【多选题】安全评价是()
B.
通过与评价标准的比较得出系统发生危险的可能性或程度的评价