12/11/2025


12/11/2025
12/11/2025
Nick: Which book are you reading, Phong? Phong: (25) C. It tells about the means of communication in the past, present, and future.
Nick: Wow, interesting! I think it has changed according to the changes in technology. What was first used for communication? Phong: (26) F. Smoke was used as a means of communication from one mountain to another.
Nick: Maybe people only used smoke to ask for help or something like that. Phong: (27) H. Only a few simple messages could be sent and received with this primitive method of smoke signals.
Nick: What happened after that? Phong: (28) D. Carrier pigeon was another means of communication to send messages further away.
Nick: I've heard about that. The pigeons were trained for this two-way communication method of letter carrying Phong: Sure. (29) B. The pigeons could fly to and fro to carry letters.
Nick: Then people send letters by post. Phong: (30) G. With the invention of stamps. Right? After that, we have Morse codes, telegraphs, telephones, email with the Internet, and so on.
Nick: Now mobiles are the most popular. Phong: Yeah. (31) A. People carry it together with the identity card, the keys and the wallet.
Nick: And the future? It is not difficult to predict the future of communication. Phong: (32) E. Our messages will be transferred at the speed of light in the future. Or anything else, who knows?
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