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霧霾八年級(jí)英語(yǔ)作文范文
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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.
One of effective solutions to help eliminate haze is to make some chemistry changes during the manufacturing process,so it could reduce harmful emissions which are produced by manufacturing operations.
霧霾是空氣污染，它與灰塵、煙霧和其他干燥的`顆�；旌掀饋�(lái)，它掩蓋了天空的清澈，與自然環(huán)境相互作用。
這種空氣污染物來(lái)自各種自然和人為來(lái)源。自然源包括風(fēng)吹灰塵，煤煙，野火。人為來(lái)源可以包括機(jī)動(dòng)車輛，和工業(yè)燃料的燃燒，和制造業(yè)務(wù)。觸及霧霾的主要原因之一是制造業(yè)。許多工廠生產(chǎn)的煙霧超過(guò)標(biāo)準(zhǔn)和煙霧嚴(yán)重影響空氣成為空氣污染。
構(gòu)成霧霾的成分可能對(duì)人的健康有負(fù)面影響，尤其是對(duì)兒童和老年人的健康。也不排除是那些有某些疾病，如哮喘，過(guò)敏，肺炎和肺部疾病。在露天工作的工人在健康中有很高的風(fēng)險(xiǎn)。
幫助消除霧霾的有效解決方案之一是在生產(chǎn)過(guò)程中制造一些化學(xué)變化，從而減少生產(chǎn)經(jīng)營(yíng)所產(chǎn)生的有害排放。