问题补充：
为丰富中学生的环保知识，培养防护意识，学校英语社针对我国雾霾天气频现，危害严重的现状，决定在学生中举行英语征文比赛。请你根据以下提示写一篇短文参赛。
雾霾天气的危害
对人们的健康有害
影响交通
雾霾产生的原因
空气污染
人们没有足够地关注环境,自然和人类之间失去了平衡
自我防护的方法
减少外出的机会
尽可能地勤洗手和脸
……（自己的观点,至少2点）
注意：
1．词数：90词；
2．可适当增加细节，以使行文连贯。
参考词汇：雾霾天气：hazy weatherNowadays, 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.
答案：
(答案→)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.
解析：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。
为丰富中学生的环保知识 培养防护意识 学校英语社针对我国雾霾天气频现 危害严重的现状 决定在学生中举行英语征文比赛。请你根据以下提示写一篇短文参赛。雾霾天气的危害对人们的健康有害影
