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Worms seem like strange animals to send to the International Space Station. It's not like astronauts are going to take time off to go fishing and need to bait their hooks. So why send worms? Believe it or not, scientists are using a microscopic worm,

发表于:2018-12-07 / 阅读(91) / 评论(0)

大千世界

AMERICAN MOSAIC - Rap Loses a Popular Artist / Question Abou

AMERICAN MOSAIC - November 15, 2002: Rap Loses a Popular Artist / Question About the John Kennedy Assassination / 20th Anniversary of the Vietnam Veterans Memorial Broadcast: HOST: Welcome to AMERICAN

发表于:2019-01-02 / 阅读(95) / 评论(0)

American Mosaic

SCIENCE IN THE NEWS - 2002 Nobel Science Prizes

SCIENCE IN THE NEWS - October 22, 2002: Nobel Science Prizes By George Grow VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program a

发表于:2019-01-04 / 阅读(56) / 评论(0)

科技之光

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STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus. Every ten years the United States government counts the national population and asks people questions about how they live. Results fr

发表于:2019-01-12 / 阅读(57) / 评论(0)

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New Survey Finds 1/3 of World's Population Overweight Obesity is not just an American problem anymore. A recent international survey by the Worldwatch Institute, found that nearly two billion people around the world are overweight. Health statistics

发表于:2019-01-14 / 阅读(56) / 评论(0)

VOA标准英语2011年(十月)

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By Kurt Achin Seoul 12 April 2006 A South Korean protester shouts slogan during an anti-government rally denouncing the South Korean government's move to forge a free trade deal with the United States

发表于:2019-02-05 / 阅读(151) / 评论(0)

2006年VOA标准英语（四月）

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