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下面是一篇关于环境类的雅思阅读材料,这篇雅思阅读材料的主要内容是近日来北京空气严重污染,出现橙色预警的相关报道。下面是详细内容,供大家参考,希望给大家带来帮助。
雅思阅读精选:北京遭遇雾霾天气 城市环境告急
From:TIME,�Jan. 14, 2013
Beijing Warns Residents After Off-the-Charts Smog
(BEIJING) — Beijing schools kept children indoors and hospitals saw a spike in respiratory cases Monday following a weekend of off-the charts pollution in China‘s smoggy capital, the worst since the government began being more open about air-quality data.
City authorities, who began releasing figures about some of the worst kinds of pollutants early last year, ordered many factories to scale back emissions and were spraying water at building sites to try to tamp down dust and dirt worsening the noxious haze hanging over the city.
Demand spiked for face masks and air purifiers, and hospitals saw surges of up to 30 percent in residents seeking help for breathing problems, state-run media outlets reported. Schools in several districts were ordered to cancel outdoor activities such as flag-raisings and sports classes, and in an unusual public announcement, Beijing authorities advised all residents to “take measures to protect their health.”
“It’s really terrible. I’m extremely upset, but there’s really nothing much I can do,” said a Beijing resident out for a morning stroll. Like many Chinese, the man would give only his surname, Kang.
Another man, a 60-year-old retiree surnamed Chen, said his elderly relatives had moved to stay with family members outside the city to avoid the pollution.
“I’m in pretty good shape, but the older folks have a lot of problems with their hearts, breathing, and high blood pressure,” Chen said.
Levels of PM2.5 particle pollution over the weekend reached the highest levels since the Beijing government began publicly releasing figures following a public outcry. In separate monitoring by the U.S. Embassy, level were at 886 micrograms per cubic meter in a reading that was labeled “beyond index.”
By Monday, levels had declined to about 350 micrograms on the Beijing government scale — down from a high above 700 but still way above the level of 25 considered safe by the World Health Organization.
PM2.5 are tiny particulate matter less than 2.5 micrometers in size, or about 1/30th the average width of a human hair. They can penetrate deep into the lungs, and measuring them is considered a more accurate rlection of air quality than other methods.
The Beijing Shijitan Hospital received 20 percent more patients than usual at its respiratory health department, Dr. Huang Aiben said. Most patients were coughing and sought treatment for chronic bronchitis, asthma and other respiratory illnesses, Huang said.
“Because these dust particles are relatively fine, they can be directly absorbed by the lung’s tiny air sacs. The airway’s ability to block the fine dust is relatively weak and so bacteria and viruses carried by the dust can directly enter the airway,” Huang said.
以上就是讲述近日来北京空气重度污染的雅思阅读材料全部内容,非常详细的介绍了相关的话题,大家可以在备考雅思阅读考试和雅思小作文的时候,对这篇文章进行适当的参考和阅读。
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