题目问:说话者认为将来什么可能是空气污染物文章的第一段指出“In the future even water vapor might be thought of as an air pollutant under certain conditions”,也就是说,水蒸气现在并不是大气污染物,将来可能成为污染物。其他几项均为干扰项,因为它们现在已经是污染物了,因此我们可以得出选项D为正确答案。
A [听力原文] 24-29 How much can you say about air pollutant At first let’s have a look at a useful definition of it. A pollutant is a compound added directly or indirectly by humans to the atmosphere, and in such quantities to adversely affect humans, animals, vegetations or materials...
What Is Air Pollution?Air pollution is normally defined an air that contains one or more chemicals in high enough concentrations to harm humans,other animals,vegentation or materials.There are two major types of air pollutants.A primary air pollutant is a chemical added directely to the air ...
Text:Type and Sources of Air PollutantsWhat Is Air Pollution?Air pollution is normally defined an air that contains one or more chemicals in high enough concentrations to harm humans,other animals,vegentation or materials.There are two major types of air pollutants.A primary air pollutant is a ...
According to the speaker, what might be an air pollutant in the futureA.Sulfur oxides.B.Carbon monoxide.C.Nitrogen oxides.D.Water vapor.的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为
An air cleaner, also known as anair purifier, is an appliance that cleans the air by removing impurities. An air cleaner can clean the air in a single room, a whole house or an industrial workspace. Air cleaners are employed in situations where the air typically becomes unhealthy due to ...
Environmental coating problems : Exactly what is a hazardous air pollutant?doi:10.1016/S0026-0576(97)80701-5RonJosephSDOSMetal FinishingJoseph R., Environmental Coating problem: Exactly what is a hazardous air pollutant? Metal Finishing, 95, 10, 1996, pp. 86-87....
Secondhand tobacco smoke is another a major indoor air pollutant. In fact, secondhand smoke exposure is estimated to cause about7,300 lung cancer deaths in nonsmoking adultsin the United States each year. Further, some reports suggest that tobacco smoke causes ten times more air pollution than ...
A:what is the worst pollutant then?b:the worst pollutant from car fumes is lead.a high proportion of lead in the blood may result in mental retardation.A:that sounds terrifying!what can we do about it?b:in order to respond to people's pleas to clean up the air,beijing and...
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