已知全集U={1,2,3,4},集合M={1,3,4},N={1,2},则集合{ 发布时间:2017-04-04 06:12 │ 来源:www.tikuol.com 题型:选择题 问题: 已知全集U={1,2,3,4},集合M={1,3,4},N={1,2},则集合{2,3,4}=( )A.CUM∪CUNB.CUM∩CUNC.M∪ND.M∩N
题型:选择题 When he turned round at the corner, he could just _____ a dark shape moving towards him. [ ]A. make up B. make out C. make sure D. make up of 查看答案