This is Scientific American's 60-Second Science. I am Adam Hamterture, got a minute? What's sixteen feet tall and 9,550 years old? Its the world's oldest tree. The worn and weathered spruce grows in Sweden's windswept tundra. But, until recently, wel

发表于:2018-12-24 / 阅读(48) / 评论(0) 分类 Scientific American(五)月

This is the VOA Special English Agriculture Report. In nineteen ninety-four, animal health experts started a worldwide campaign to end rinderpest. This disease is closely related to the measles virus but it does not infect people. Yet for thousands o

发表于:2019-01-12 / 阅读(45) / 评论(0) 分类 2010年VOA慢速英语(十一)月

Pastoralists Played Major Role in Ending Rinderpest In June 2011, the U.N. Food and Agriculture Organization officially declared that the deadly animal disease rinderpest had been eradicated. The disease devastated livestock and lingered in Africa lo

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2012年(九月)

By Jessica Berman Washington 04 October 2007 Fifty years ago, on October 4, 1957, the former Soviet Union launched the first man-made satellite into Earth's orbit, called Sputnik , which began a space race with the United States. While the intense co

发表于:2019-01-16 / 阅读(53) / 评论(0) 分类 2007年VOA常速英语(十月)

By Dan Robinson Capitol Hill 15 November 2007 The longest-serving Republican speaker of the House of Representatives gave his formal farewell to Congress on Thursday. Dennis Hastert presided over the House for nearly a decade, a period that included

发表于:2019-02-03 / 阅读(58) / 评论(0) 分类 VOA常速英语2007年(十一月)

RIO DE JANEIRO, Jan. 25 (Xinhua) -- Former Brazil international goalkeeper Dida will miss Gremio's Copa Libertadores qualifying decider against Ecuador's Liga de Quito next Wednesday with a shoulder injury. Dida hurt his right shoulder during last We

发表于:2019-02-18 / 阅读(64) / 评论(0) 分类 英语新闻