单词：koreem
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Hello to you, I'm Creshon Saunders at the CNN.com newsroom in Atlanta, here is a look at what's happening NOW IN THE NEWS. Sri Lanka's military says it has seized a key rebel stronghold forcing the separatist Tamil Tiger rebels out of their last mil
CNN2009年(一)月
Feb 28th, 1953, in Britain, scientists say and they found the double helix structure of DNA, the molecule that contains the human genes. Years later, Francis Crick describes this discovery that he and fellow scientist James Watson made. Biological sy
历史上的今天-2012年
Feb 28th, 1953, in Britain, scientists say they found the double helix structure of DNA, the molecule that contains the human genes. Years later, Francis Crick describes this discovery that he and fellow scientist James Watson made. Biological system
历史上的今天-2013年
Feb 28th, 1953, in Britain, scientists say and they found the double helix structure of DNA, the molecule that contains the human genes. Years later, Francis Crick describes this discovery that he and fellow scientist James Watson made. Biological sy
历史上的今天-2015年
By Kurt Achin Seoul 02 August 2007 Senior South Korean and U.S. officials say they have agreed to hold off on using military force to free 21 Korean hostages being held in Afghanistan. Taleban insurgents have already killed two of the hostages, and i
2007年VOA标准英语（八月）
本期内容： Nigerian Oshi Agabi has unveiled a computer based not on silicon but on mice neurons at the TEDGlobal conference in Tanzania. The system has been trained to recognize the smell of explosives and could be used to replace traditional ai
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