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. 根據你的觀察，回答在你的國家自行車是否受歡迎。 2. 你可以提供它們受歡迎或不受歡迎的原因，例如環境問題、健康益處、基礎設施等等。