分析 本篇书面表达属于提纲类作文，根据提示信息讲述雾霾天气的危害形成原因及感想．写作时注意以下几点：1、仔细阅读有关提示，弄清试题提供的所有信息，明确几个要点：雾霾天气对健康、交通及户外活动造成的影响；造成雾霾天气的原因分析，如：机动车； 工业污染； …你的想法和建议，如：发展公共交通，限制私人汽车的使用；…．2、提纲是文章的总体框架，要在提纲的范围内进行分析、构思和想象．要依据提示情景或词语，按照一定逻辑关系来写．本文写作时可以按照要点所给的顺序写．3、根据要表达的内容确定句子的时态、语态；就本文而言应该用一般现在时态．4．注意使用高级词汇和句式，以增加文章的亮点． 【亮点说明】本文结构紧凑，层次分明，而且使用了多种表达：not only…but also…不仅…而且…；public transportation公共交通；are responsible for对…负责；Additionally另外；a solution to the problem问题的解决办法
解答 Several cities in China have been suffering from serious hazy weather since January this year．It has not only posed a big threat to people's health，but also greatly affected public transportation and people's outdoor activities．（高分句型）But what has caused the unpleasant weather？It is evident that the waste gases from the overuse of vehicles and industrial pollution are responsible for the foggy weather．Additionally，low wind speed and high humidity made impossible the quick disappearance of the dense fog．（高分句型）From my perspective，the development of public transport together with limiting the use of private cars can effectively improve the present air condition．（高分句型）Meanwhile，cleaner energies，such as natural gas and solar energy also seem to suggest a solution to the problem．Whatever the situation，one thing is for sure，it is high time we reconsidered the relationship between environmental protection and economic development．（高分句型）
点评 英语写作是一项主观性较强的测试题．它不仅考查学生的写作基础而且还考查学生在写作过程中综合运用语言的能力．在撰写时要注意主谓语一致，时态呼应，用词贴切等．要提高英语写作水平，需要两方面的训练：一是语言基础方面的训练，要有扎实的造句、翻译等基本功，即用词法、句法等知识造出正确无误的句子；二是写作知识和能力 方面的训练以掌握写作方面的基本方法和技巧．