【单选题】设全集U={1,2,3,4,5,6,7},集合A={1,3,5},集合B={2,3,6},则A∪(? U B)=( )
【单选题】设全集U={1,2,3,4,5,6,7},? U (A∪B)={1,3},A∩(? U B)={2,5}.则集合B=( )
【简答题】11. Young people ( ,
who , which , who ) join the army learn many useful skills.
【单选题】Who most likely are Van Vellen and Shoan?
【单选题】设全集U={1,2,3,4,5,6,7},集合A={1,3,5},B={2,5,7},则C U (A∪B)=( )
【单选题】Listen! Who ___ in the next room now?
【判断题】[1452]()资金成本由筹资费用和资金的使用费两部分构成。
【单选题】设全集U={1,2,3,4,5,6,7},集合A={1,2,3},集合B={1,3,5,7}则 ∁ u A ∁ u B=
【单选题】By the way, who will teach pop music next term?