自行車 bicycles

我國是第一自行車大國，使用自行車有很多的好處。但隨著經(jīng)濟(economy)的發(fā)展，越來越多的家庭購買了小汽車。請根基這些情況寫一篇英語文章，闡述一下自行車和汽車各自的優(yōu)缺點，并談?wù)勛约旱目捶ā?

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China has the largest number of bicycles. Bicycles are still popular all over the world because of their outstanding advantages. It's convenient to go to school or go to work by bike. It can help people keep healthy to ride often. However, with the development of economy, more and more people buy cars. The exhaust gas from cars pollutes the air. More and more cars have brought heavy traffic problems. I prefer riding bicycles because it is cheap and keeps the air clean.

中國有最多數(shù)量的自行車。自行車在世界上仍很流行，因為它們的優(yōu)點是。上學或騎自行車去上班很方便。它可以幫助人們保持健康，騎經(jīng)常。然而，隨著經(jīng)濟的發(fā)展，越來越多的人購買汽車。汽車的尾氣污染空氣。越來越多的汽車帶來了交通擁擠的問題。我更喜歡騎自行車，因為它很便宜，而且保持空氣清潔。