小學生有關霧霾英文作文
【第一篇】
Haze is air pollution in which is mixed up with dust, smoke and other dry particles ,and it obscure the clarity of the sky and interacts with the natural environment.
This kind of air pollutant come from a variety of natural and manmade sources. Natural sources can include windblown dust, and soot from wildfires. Manmade sources can include motor vehicles, and industrial fuel burning, and manufacturing operations. The one of the main cause that touches off haze is manufacturing operations. Many factories were over measure produced the smog that had over the standard and the smog seriously influence the air become air pollution.
The components that make up haze may have negative effect on people's health especially that of the children and the elderly. Also not excluded are those who have certain diseases such as asthma, allergy, and pneumonia and lung disease. Workers working in the open air have a high risk in their health.
The components that make up haze may have negative effect on people's health especially that of the children and the elderly. Also not excluded are those who have certain diseases such as asthma, allergy, and pneumonia and lung disease. Workers working in the open air have a high risk in their health.
陰霾是空氣污染和灰塵,煙霧和其他干燥粒子,它掩蓋了清晰的天空,與自然環(huán)境進行交互。
這種空氣污染物來自各種自然和人為來源。天然來源可以包括風沙、煙塵從森林大火。人為來源可以包括機動車輛、工業(yè)燃料燃燒和制造業(yè)務。觸動了煙霧的主要原因之一是制造業(yè)務。許多工廠測量產生的煙霧對標準和煙霧嚴重影響空氣成為空氣污染。
組件構成煙霧可能對人們的健康有負面影響特別是兒童和老人。也不排除是某些疾病如哮喘、過敏、肺炎和肺部疾病。工人工作在露天有很高的風險在他們的健康。
一個有效的解決方案,幫助消除煙霧是讓一些化學變化在制造過程中,所以它能減少有害排放產生的制造業(yè)務。
【第二篇】
A group of Edinburgh medical students dugup the facts on the Great London Smog of 1952 (the photos are fascinating; areal shock for people who think environmental problems are something new). Thestudents provided numbers on the level of air pollution in London 1952 and Ihave compared these to recent numbers for Beijing.
Beijing’s poor airquality – 300 or somicrograms of particulate matter per cubic metre – has generated volumesof purple prose, but London’s numbers in the 1950s were consistently above 400, and surged to 1,600 during theGreat Smog – more than five times Beijing’s inearly August.
幾位愛丁堡大學醫(yī)學院的學生發(fā)掘了1952年倫敦大霧霾的一些事實(其中的照片引人入勝;這對于那些認為環(huán)境問題歷史甚短的人無疑是當頭棒喝)。這些學生提供了1952年倫敦空氣污染水平的一批數(shù)字，我把它們與北京的最近數(shù)字做了比較。
北京上空每立方米空氣約含300微克粉塵物質，這一惡劣的空氣質量已經讓人寫出了許多華麗的抱怨文章，但倫敦在1950年代的這一數(shù)字持續(xù)超過400，并在大霧霾期間狂漲到1600，這是北京八月初數(shù)字的5倍以上。
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