1.Answer whether bikes are popular in your country based on your observation. 2.You can provide reasons for their popularity or lack thereof, such as environmental concerns, health benefits, infrastructure, etc.

1. 根据你的观察回答自行车在你国家是否受欢迎。 2. 你可以提供它们受欢迎或不受欢迎的原因，例如环境问题、健康益处、基础设施等。