自行车在天津仍然受欢迎，因为骑车上学或上班都很方便。现在也有很多人买小汽车。自行车和小汽车，你比较喜欢那种交通工具呢？为什么？请根据提示写一篇60词左右的短文。
提示：1.bicycle,still popular,Beijing
2.it is easy,go to school,go to work,bike
3.now,people,buy cars,it,make air dirty
4.bicycle,can help,health,save energy
5.I···because···
Nowadays bicycle is still very popular in Tianjing,becauce it is very easy for people to go to school and work .Still ,there are a lot of people buying cars for its convenience.For me ,I prefer bicycle rather than cars .First of all ,riding bikes can help us become more healthier .Also,it is good to help protect our environment as well as save energy,since it does not proudce harmful gas which makes air dirty like cars.Therefoer ,I hope everyone can choose bicycle instead of cars .If so ,our city will become better and better.