单词：high-rate cathode
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By Jeff Swicord Howard County, Maryland 18 May 2006 watch School Drop Out report It is estimated between 15 and 30 percent of high school students in the U.S. will not graduate. And among some minorit
2006年VOA标准英语（五月）
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
Education Report - High Dropout Rate a Problem for South Africa This is the VOA Special English Education Report. Since the nineteen nineties, education has been required for all South Africans from age seven to fifteen. Last December, the government
2012年VOA慢速英语(三)月
More than three years after Hurricane Katrina caused massive damage in New Orleans, the city has less than half its pre-hurricane population and a crime rate higher than any other city in the nation. But, as VOA's Greg Flakus reports, citizens' grou
VOA标准英语2008年(十二月)
Today the Governor of the Reserve Bank, Dr Alan Bollard, lowered the official cash rate (OCR) to 2.5%. This is down 50 points from the 12th March. It is also a huge change from July last year when the OCR was at a high point of 8.25%. In July 2007, t
新西兰英语
NEW YORK, Dec. 27 (Xinhua) -- New York City Mayor Michael Bloomberg announced on Tuesday that babies born in the city in 2009 have the record high life expectancy of 80.6 years, an increase of nearly three years since 2000. The rate of 80.6 years is
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