Today we're going to discuss the history of the postal service. In the 19th century, mail was delivered by horse-drawn carriages, which could take weeks to cross a country. The introduction of the railway in the 1830s dramatically reduced delivery times, making it possible to send letters across Britain in just a few days. However, it was the invention of the postage stamp in 1840 that truly revolutionized the system, as it allowed people to prepay for postage, eliminating the need for recipients to pay on delivery. This change increased the volume of mail significantly.
❓ 根据讲座内容，邮票的引入主要产生了什么影响？
A. 它降低了寄信的成本。
B. 它使邮件投递比以往更快了。
C. 它允许寄件人预付邮资，从而增加了邮件数量。
D. 它取代了铁路，成为主要的运输方式。
✅ 正确答案
It allowed senders to pay in advance, increasing mail volume.