is full of the unexpected.Section A PPT课件+优 11:18 【有课件和完整视频】部审人教版初中英语九年级全一 Unit11 Sad movies made me cry.Section A Grammar focus 4 11:18 【有课件和完整视频】部审人教版初中英语九年级全一 Unit11 Sad movies made me cry.Section A 4a-4 PPT课件+优质教学 11:18...
Many things can cause air pollution. (2)___(burn) fossil fuels(人工燃料) can cause air pollution. Oil is used to make gasoline for cars. Cars and trucks (3)___/prə'dju:s/ a lot of air pollution. Coal can give off harmful gases when it's burned. (4)___we usually use coal...
Air pollution can make breathing difficult, especially for people with heart or lung diseases. Scientists are actively seeking cleaner fuels to reduce air pollution and its impact on human health. 56. 根据上下文,这句话是在问读者是否知道空气污染是什么,所以应该填入“你”,即“you”。 57. 前后...
Air pollution is defined as a mixture of gases and particles that have been emitted into the atmosphere by human-made processes. There are a range of pollutants as shown below. The combustion of fossil and carbon based fuels such as coal, oil, gas, petrol/diesel and wood burning are the ...
athey find out that adult life is not as easy as they thought it would be and suddenly 他们发现成人生活不是一样容易,象他们认为它是和突然 [translate] ain your opinion, what's the cause of air pollution? 按您的看法,什么是空气污染的起因? [translate] ...
have reduced the presence of some pollutants. While major stationary sources are often identified with air pollution the greatest source of emissions is actually made up by mobile sources mainly the automobiles. Gases such as carbon dioxide which contribute to global warming have recently ...
Why is air pollution such an important issue today?Click to find out New Word: Ambient Air Pollution It is outdoor air pollution, usually caused by emissions from transportation, power generations, agriculture, and open burning. The chemicals in Ambient Air Pollution is different from that of in...
Do you know what the air pollution is? Air pollution 81 (affect)the air we breathe. It is made up of Eharmful gases, drops, and tiny(极小的) things. These things make the air terrible.Many things can cause air pollution. 82 (burn) fossil fuels(化 ) can cause air pollution. Oil#...
What is sperm made of? What is the ecosphere made of? What are airplanes made of? What gases cause air pollution? What is a subsiding air current? What is an unstable air mass? What is an air column? What is air particle pollution?
A.Air pollution is serious in Beijing and Chongqing. B.Using coal is much more expensive than using gas. C.Factories made much more pollution in China. D.The reasons of air pollution in London and Beijing are different. 相关知识点: