2012年12月英语六级作文真题(II):人与电脑

文中词汇表达较恰当，高级词汇表达灵活；可适当增加连接词和衔接词的使用；部分句子偏简单，注意有错误的句子。

With the increasingly amount of densely populated,air pollution have becoming a severe issue.There are four mainly human activities areas air pollution comes from,including industry、energy、transporting and agriculture.Operating industry need energy to ensure enough power for train、airplane and bus.How air pollution comes out is that all these energy works by burning fuels.Scientists are researching in a new power generation method to reduce air pollution.The increasely aware of public environmental protection have some activities such as recycling emerge.