is the sending and receiving of the messages by computer. It is a fast, low－cost
is the sending and receiving of the messages by computer. It is a fast, low-cost way of communicating worldwidE..
A．LAN
B．Post office
C．E-Mail
D．Interface
正确答案：C解析：E-Mail就是由计算机发送和接收消息，它是一种在全世界范围内快速的、低费用的通信方式。
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