雾霾英语作文

雾霾英语作文

　　在学习、工作乃至生活中，大家最不陌生的就是作文了吧，写作文是培养人们的观察力、联想力、想象力、思考力和记忆力的重要手段。那么问题来了，到底应如何写一篇优秀的作文呢？以下是小编为大家整理的雾霾英语作文，希望能够帮助到大家。

　　As the saying goes "qiu dong smog knife to kill". We can see and catch "smog" actually have bigger influence on the body, especially the high incidence of respiratory and cardiovascular and cerebrovascular diseases in the elderly group.

　　1. The effects on the respiratory system. Haze composition is very  complicated, including hundreds of atmospheric chemistry particulate matter. Which is bad for your health mainly aerosol particles less than 10 microns in diameter, such as mineral particles, sea salt, sulfate, nitrate, organic aerosol particles, fuel and car exhaust, etc, it can directly enter and adhesion in the human respiratory tract and alveoli. Especially the submicron particles are deposited on upper and lower respiratory tract and alveolar, causes the disease such as the acute rhinitis and acute bronchitis. For obstructive bronchus asthma, chronic bronchitis, emphysema and chronic respiratory diseases such as chronic obstructive pulmonary disease patients, haze weather can make the illness acute or acute exacerbation. If this kind of environment will cause lung cancer for a long time.

　　2. The effects on the cardiovascular system. Haze weather pollutants in the air, air pressure is low, easy to induce acute cardiovascular disease. Such as heavy fog, the moisture content is very high, if people in outdoor activities and sports, the body's sweat is not easy to discharge, cause people bosom frowsty, increased blood pressure.

　　3. The fog haze weather can also result in close formation ultraviolet weakened, activity of the infectious pathogen in the air, increase of infectious diseases.

　　4. Reduce because of the fog the sun, ultraviolet irradiation in children is insufficient, inadequate vitamin D in the body to generate, the absorption of calcium significantly reduce, serious can cause rickets in infants, children's growth to slow down.

　　5. Affect mental health. Heavy fog weather depression, due to weak light and easy to let a person produce mental laziness, depression, and pessimism, encounter something goes wrong and even easier to spin out of control.

　　6. Affect the traffic safety. Low vision in haze weather, visibility, air quality is poor, easy to cause traffic jams, traffic accidents.

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