Question

关于雾霾天气的英语作文

Answer 1

This spring,many cities in China suffered haze weather.As we can see/As can be seen,whenever haze happens,the sky is grey,the visibility is declining,and the air quality is worsening,What causes haze weather is that the air close to the earth is quite wet,the wind speed is slow as well as various pullutants accumulate in the air.It's reported that haze contains a lot of poisonous matters,which will do great harm to our lungs.According to experts,we should avoid outdoors activities,stay away from the crowd,and we should go to the countryside to breathe more fresh air in our spare time at weekends.
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Answer 2

你好：

Recently because of the cold air forces is weak, the wind is small, the atmosphere is stable, highly stratified atmosphere of different density is very stable, in the stable weather conditions, the pollutant in the air in horizontal and vertical direction is not easy to spread, so that pollution of shallow accumulation in the atmosphere, causing the pollution is getting more and more serious. The main source of PM2.5is the process of daily power generation, industrial production residues, car emissions after combustion and emissions, mostly contain heavy metals and other toxic substances. We should do a good job of protection: wear a mask; reduce outdoor exercise; close the doors and windows; pay attention to traffic safety; pay attention to the diet. At the same time, we should also pay attention to go out more take collective transport, less driving, cycling more; less discharge of fireworks, United College Students to carry out promotional activities. Protect environment, is everyone's responsibility!

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