【判断题】在一所大学里,每个系都有自己的局域网,则连接各个系的校园网是局域网。()
【多选题】下列会计档案中保管期限为30年的有( ▲ )。
【单选题】A _____ designer is needed.
【单选题】The novels written by MoYan ______ magic and mystery.
【多选题】下列会计档案中保管期限为30年的有( )
【单选题】The bag ______ books ______ mine.
【简答题】A.halfduplex B.full duplex C.half or full duplex D.half and full duplex
【单选题】A _____ designer is needed.