英语作文自行车什么形状【一】
如今，越来越多的城市建设了自行车道。自行车道有很多好处。首先，自行车道只能给自行车同行，这对骑行者来说，要比在人行道和机动车道上骑车更加安全。第二，这将鼓励人们用自行车取代汽油车作为代步工具，这能帮助减少空气污染，同时减少堵车。第三，骑行对保持健康和健美来说是个非常好的.运动。所以自行车道在很多城市受到了欢迎，如果我的城市也修建了自行车道，我很乐意骑车去学校。
英语作文自行车什么形状【二】
The bicycle is the most popular means of transportation in China. China is a country “on bicycle wheels”。 People ride them for various purposes such as going to and from school and work. Bicycles are very cheap and easy to buy in China.
There are many advantages to riding a bicycle. First， using a bicycle can greatly help reduce the air pollution in many big cities. Second， people can improve their health by riding a bicycle.
The future of bicycle will be bright. In some European countries， city governments have arranged pedestrians to use “public bicycles” to travel round the city center free of charge.
英语作文自行车什么形状【三】
An electric bike is a bike with an added battery—powered electric motor. Some kinds are with pedals so that people can ride when necessary. The highest speed of it is 15 to 20 kilometres per hour.It is safe for people to ride it when they go to work, and the price is not very high. What’s more, they are friendly to the environment as they save energy and make low noise.
Also , there are manyproblems with them. For example, the batteries must be replacedafter having been used for 300 to 400 times. If they are not changed in time, they would cause pollution again.
