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Topics:Ask an American-Corporate Data Security; consulting versus consultancy; to conduct versus to operate Words: system administrator social media to craft painfully tool kit attack technique solution packaged optimist to up (one's) game next-gener
空中美语初级
Welcome to Wednesdays edition of CNN Student News. Ten minutes of current events coverage is coming your way. First up, a shake-up at the US Transportation Security Administration (TSA). This is a part of the department of Homeland Security. The TSA
CNN美国有线新闻2015年6月
By Mil Arcega Washington 25 October 2007 American news media are reporting that a survey of pilots by the U.S. government found that safety problems involving air carriers happen more frequently than previously known. The reports say the space agency
2007年VOA常速英语（十月）
WASHINGTON, Nov. 8 (Xinhua) -- NASA plans to add an unmanned flight test of the Orion spacecraft in early 2014 to its contract with Lockheed Martin Space Systems for the multipurpose crew vehicle's design, development, test and evaluation, the U.S. s
英语新闻
RACHEL MARTIN, HOST: President Trump has amended several of his positions since inauguration. One thing has remained consistent, though, Trump's belief that the United States is getting a raw deal from international trade agreements. STEVE INSKEEP, H
2017年NPR美国国家公共电台5月
Today we're announcing the discovery of an exoplanet that as far as we can tell is a pretty good close cousin to the earth and our sun An historic moment in NASA's epic pursuit of earth-like planets, as the newly discovered Kepler-452b was officially
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