2012年12月英语四级作文真题:Education pays

文章学术词汇使用熟练，词汇表达较为丰富；句法知识很棒，若增加一些从句的使用，文章会更出色；衔接成分太少，文章结构欠佳。

Traffic pollution With the development of economy and science and technology,private cars are becoming more and more widespread in China.Cars make our life more convenient,at the same time,traffic is a big source of pollution in cities. Producing cars needs a lot of resources and makes environment`s pressure become bigger.As is know to all,our resources is reducing.Besides,cars use fossil fuel and discharge waste-gas.Fossil fuel often cause air pollution.Traffic jams speeding cars brings much dust and endanger city residents` breathe. Of course ,private cars` number is on the rise which is an important reason. Our environment needs everyone`s effort.Green travel priority.