【单选题】下面购物蓝能够提取的3-项集的最大数量是多少?( ) T ID 项集 1 牛奶,啤酒,尿布 2 面包,黄油,牛奶 3 牛奶,尿布,饼干 4 面包,黄油,饼干 5 啤酒,饼干,尿布 6 牛奶,尿布,面包,黄油 7 面包,黄油,尿布 8 啤酒,尿布 9 牛奶,尿布,面包,黄油 10 啤酒,饼干
【简答题】I. 用所给动词的正确形式填空 1. "Life is like walking in the snow", Granny used to say, "because every step_________(show) ” 2. --I hear you __________(work) in a pub. What's it like? --Well, it's very hard work a...