Today we're going to discuss the history of the bicycle. Although many people think of the bicycle as a relatively modern invention, its origins date back to the early 19th century. The first two-wheeled vehicle, called a 'hobby horse', was invented in 1817 by a German baron. It had no pedals, and riders pushed themselves along with their feet. Later, in the 1860s, pedals were added to the front wheel, creating the 'boneshaker'. However, it was not 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.
❓ '안전 자전거'가 초기 모델보다 더 인기를 끌게 된 이유는 무엇인가요?
A. A. 앞바퀴에 페달이 연결되어 있었다.
B. B. 그것은 크기가 다른 두 개의 바퀴를 가지고 있었다.
C. C. 그것은 체인 구동 장치와 같은 크기의 바퀴를 갖추고 있었다.
D. D. 더 가볍고 생산 비용이 저렴했다.
✅ 正确答案
C. It featured a chain drive and equal-sized wheels.