单词：silica chlorine tube
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AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be
2015年VOA慢速英语(七)月
BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn
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AILSA CHANG, HOST: Scientists announced today that they have figured out the cause of an outbreak of Legionnaires' disease in Flint, Mich., a few years ago. Twelve people died. This was at the start of the city's water crisis. And the problem was a l
2018年NPR美国国家公共电台2月
AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin
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By Margaret Besheer Irbil, Iraq 17 March 2007 In the volatile Western Iraqi province of Al-Anbar, suicide bombers driving trucks filled with chemicals struck at three different locations late Friday afternoon. U.S. military officials said Saturday at
2007年VOA标准英语（三月）
TAIYUAN, May 4 (Xinhua) -- Coca-Cola Shanxi Beverages Co. Ltd. on Friday announced the resignation of its general manager and the suspension of several employees after admitting traces of chlorine were found in some of its drinks. The company also ma
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