败家小歪歪
I am glad to recive your last letter,in which you ask me about the situation of smog in my city.Smog weather occurs frequently in recen years.In January,the smog reached its worst level.The smog seriously affect us,not only causing traffic troubles, but also doing harm to our healthy.People has realized troubles of smog and the government has been taking action to reduce the smog weather.The burning stuff is limited and emission from cars are requested to reduce.Besides,an environmental monitoring system is setted up so as to own the blue sky again.if you have any else questions,you can reply me as soon as possible
rabbit林恩
Bill， Larger changes since last winter, the weather, fog and haze occur frequently, thus affecting the living conditions of the people.The rapid industrial development, resulting in a large number of pollutant emissions and atmospheric.For me personally, to go out wearing masks, the ordinary masks unable to achieve the protective effect must be anti PM2.5. lihua
