2012年12月英语四级作文真题:Education pays

作者能较熟练地使用词汇表达，一些学术词汇的使用也比较灵活；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 the 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 known to all,our resources are reducing.Besides,cars use fossil fuel and discharge waste-gas.Fossil fuel often cause air pollution.Meanwhile traffic jams and the car at low speed increase exhaust emissions. 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.Let`s go,just now.