Today we're going to discuss the history of the bicycle. While many people think of the bicycle as a relatively modern invention, its origins actually date back to the early 19th century. The first two-wheeled vehicle, called the 'draisine', was invented by Karl von Drais in 1817. It had no pedals; riders pushed themselves along with their feet. Later, in the 1860s, pedals were added to the front wheel, giving rise to the 'penny-farthing' with its large front wheel. However, it wasn't until the 1880s that the 'safety bicycle' with a chain drive and two equal-sized wheels became popular, making cycling much safer and more accessible to the general public.
❓ 1880年代に「安全自転車」が人気を博した理由は何でしょうか?
A. A. それは大きな前輪を持ち、速かった。
B. B. それはペダル付きの最初の自転車でした。
C. C. それはチェーン駆動と同サイズの車輪を備えており、より安全だった。
D. D. それはカール・フォン・ドライスによって発明され、ペダルは不要だった。
✅ 正确答案
C. It had a chain drive and equal-sized wheels, making it safer.