【判断题】严禁将液氯气化器中的液氯充入液氯钢瓶。 ()
【简答题】液氯工段关键装置()。重点部位:液氯罐区、液氯充装。
【单选题】— Didn't they come to the party last week? — Yes. They didn't want to come with us at first, but then we ________ persuade them. [ ]
【单选题】-- Lucy, why didn't you come last Sunday?
A.
I___, but my father was in hospital.
【简答题】‘ --- Lucy didn't come to school, did she?---_______. She was ill and stayed in bed.A. Yes, she did B. No, she did C. No, she doesn't D. No, she didn't
【多选题】下 列 选项中,属于不相容岗位必须相互分离的有