【单选题】Tom, hurry up, __________ you will miss the school bus.
【单选题】Hurry up,Tom.It’s high time we______ to the theater.
【单选题】Tom, _____up, or you will miss the train, believe it or not. [ ]
【简答题】信道的复用技术包括 、频分多路复用、波分多路复用和 。
【简答题】信道复用技术包括:()、()、()三大类。
【简答题】Hurry up! Tom _____ (wait)for us at the bus stop.
【单选题】Hurry up, Tom! The train is _____ to start.
【单选题】Tom, hurry up, you will miss the school bus.
【简答题】常用信道复用技术包括:____、____、____、____。