【单选题】—You never stay up till midnight, do you? —___________. But I think it’s bad for our health.
【单选题】—Time is limited. I have to finish this tonight. —But it’s midnight now and you should have a sleep ______ much work you have to do.
【单选题】— Jack,you look tired today. What's wrong? — I was _____ busy _____ I didn't go to bed until midnight yesterday. [ ]
【判断题】石子级配好,其空隙率及总表面积小,不仅能降低砂率节约水泥,而且能改善混凝土的和易性提高其密实性。
【简答题】我国统一的会计制度由 ( )根据《会计法》制定。
【判断题】89石子级配好,其空隙率及总表面积小,不仅能降低砂率节约水泥,而且能改善混凝土的和易性提高其密实性。
【单选题】—Jack, you look tired today. What's wrong? —I was ____ busy ____ I didn't go to bed until midnight yesterday. [ ]