图书续借的方式有（）
A.找他人代办
B.通过图书馆网站在线办理
C.已预约的图书不可办理续借手续
D.到二楼借书处办理
参考答案：B, C, D
Information,in its most restricted technical sense,is a sequence of symbols that can be interpreted as a message.Information can be recorded as signs,or transmitted as（）
A.symbols
B.message
C.signals
D.wave
自由大 * *
