单词：xanthomonas begoniae(tak.)dowson
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Technology Report - Scientists Develop Smartphone App for Eye Exams This is the VOA Special English Technology Report. More than two hundred eighty million people around the world have vision problems or are blind. The World Health Organization says
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By Jim Malone Washington 21 May 2007 New Mexico Governor Bill Richardson became the latest Democrat to officially enter the crowded 2008 presidential race Monday. VOA National correspondent Jim Malone has the latest on the campaign from Washington. N
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Students Learn Lesson in Power of Giving On the 15th of each month, a classroom at Pointers Run Elementary School in Maryland, is abuzz with volunteers. Students like Campbell Snoddy collect food that has been donated by students, parents and teacher
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Markets Erase Gains, Dow Loses 519 Points Stock volatility continued on Wall Street Wednesday as markets turned their attention once more to the weak global economy. After an impressive rally Tuesday, fears about high levels of public debt in the U.S
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A new report warns the gloomy economic outlook for rich nations could spread and halt the recent boom in developing countries, if commodity prices plunge. The annual Trade and Development Report by the U.N. Conference on Trade and Development or UNC
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