雅思听力

语言: 中文 English Español 日本語 한국어 Tiếng Việt ไทย Русский

🎧 Listening Transcript

Good morning. Today we're going to look at the history of the bicycle. Now, many people think the bicycle was invented in the 19th century, and that's partly true. The first two-wheeled vehicle, called the 'draisine', appeared in 1817, but it had no pedals. You pushed it along with your feet. Then, in the 1860s, pedals were added to the front wheel, creating the 'velocipede'. However, this was very uncomfortable because of the solid rubber tires. It wasn't until 1885 that the 'safety bicycle' was developed, with a chain drive and two equal-sized wheels, making it much safer and more practical for everyday use.
❓ 根据讲座内容,1885年推出的安全自行车的一个关键特征是什么?

✅ 正确答案

C. It used a chain drive and two equal-sized wheels.

雅思听力答题技巧

🎯 在线练习并获得AI解析