Nowadays, the hazy weather frequently appears in our country. It has not only done harm to people’s health, but also affected the public transportation. Terrible accidents happen every now and then, some highways have to be shut down because of the low visibility.
Obviously, air pollution is the main factor that has resulted in the frequency of hazy weather. At the same time, people don’t pay much attention to the environment so it lost the balance between nature and human beings.
To students, opportunities for going out should be decreased. We should also wash faces and hands with running water as often as possible. And do not forget to wear a good-quality mask to protect yourself while going out. I hope we will regain a fresh, clean and bright world soon
试题分析：这是一篇提纲作文。本文从三方面写雾霾天气的危害、雾霾产生的原因、和自我防护的方法。全文主要用一般现在时态。
【亮点说明】文中使用了非常好的短语和句子为文章增色不少，例如not only...but also, do harm to,now and then,have to,shut down,because of , result in,At the same time, pay attention to,between...and, as often as possible 等短语; 用到了被动语态ome highways have to be shut down because of the low visibility，opportunities for going out should be decreased; 并列句It has not only done harm to people’s health, but also affected the public transportation；定语从句air pollution is the main factor that has resulted in the frequency of hazy weather；宾语从句I hope we will regain a fresh, clean and bright world soon；祈使句 do not forget to wear a good-quality mask to protect yourself while going out.文章层次清晰，内容饱满，表达流畅。
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