Nowadays, riding a bike to school has been a choice of transportation for students. And some people go to work by bike，too. There are many advantages to riding a bicycle.

For example，riding to school may change the whole environment and it does contribute to reduce the air pollution and save the resources as much as we can. Riding a bike is also a good exercise for us to strengthen ourselves. What's more, riding a bike saves us a lot of time and money than going to school on foot or by bus.

However, bicycle riding has its disadvatage. Because bikes and cars use the same road. When you ride a bike to school, you need obey the traffic rules even if you are in a hurry. Safety must come first!

题目分析：这是一篇讲述骑自行车利弊的文章，首先要用正确的格式去写，会用一些短语，了解英语的句子结构与汉语的不同，需要平时对课本上的课文要正确地理解，会仿照课文的句子写出正确的英语句子，注意用一般现在时，用第一人称来叙述。

【亮点说明】短文用了一些短语和固定句式，为文章增色不少，如：What's more, as much as等。