【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。
【判断题】安全评价是对系统存在的不安全因素进行定性和定量分析,并且与评价标准进行比较得出系统的危险程度。
【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.
【单选题】( )是社会历史的主体,是社会物质财富和精神财富的创造者
【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 ...
【单选题】Langdon felt himself losing touch fast. What does this sentence mean?
A.
He couldn't understand the situation at all.
B.
He felt he lost touch with Sophie.
C.
He felt he lost touch with the reality.
D.
He could understand the situation.
【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. [ ]
【单选题】对特发性血小板减少性紫癜患者的健康教育,错误的是( )
【单选题】What does the author think about his first computer?
A.
It was old but inspirational.
B.
It was curious but beautiful.
C.
It was the most practical tool he had ever used.
D.
It was the source of his knowledge and power.