【单选题】甲、乙和丙三人同时看好某只股票。上午9:25—10:00该股票交易价格区间为10.5—10.6元。甲于10:01以限价10.26元买100股,乙于10:01:20以限价10.26元买100股,丙于10:02以限价10.27元买100股。下午3:00该股票收盘价格为10.88元。盘面显示,当日股票最低成交价格为10.26元。请以股票竞价交易规则分析,甲、乙和丙三人今天买股票成交的可能性由大到小的排序...
【单选题】Last time you your umbrella at school. Today you mustn' t ________ it any more. [ ]
【单选题】-Are you sure you have ______ all the documents in your list? -Oh, sorry, I forgot to ______ the one you had sent me. [ ]
【简答题】讨论函数y=3√x在x=0点处的连续性和可导性.讨论函数 点处的连续性和可导性 .