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🎧 Listening Transcript

Good morning, everyone. Today we're going to discuss the history of the postal service. You might be surprised to learn that the first organized postal system was not in Europe, but in ancient Persia around 550 BC. However, it was the Romans who developed a more efficient network, using relay stations where riders could change horses. This system allowed messages to travel up to 170 kilometers per day. In the 19th century, the introduction of the postage stamp revolutionized mail delivery, making it affordable for ordinary people. The first adhesive stamp, the Penny Black, was issued in Britain in 1840.
❓ Según la conferencia, ¿cuál era la principal ventaja del sistema postal romano?

✅ 正确答案

B. It used relay stations to increase speed.

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