By Efam Dovi Accra 31 March 2007 Ministers from the Economic Community of West African States have agreed to use biotechnology to increase food production in their region. The agreement was reached at the third ECOWAS ministerial meeting on biotechno

发表于:2018-12-08 / 阅读(77) / 评论(0) 分类 2007年VOA标准英语(三月)

SCIENCE IN THE NEWS -August 20, 2002: U.S. Doctors Separate Guatemalan Sisters Joined at the Heath / West Nile Virus Spreads in the United States Broadcast: VOICE ONE: This is Ray Freeman. VOICE TWO:

发表于:2019-01-04 / 阅读(51) / 评论(0) 分类 科技之光

If you're going to come up with a practical solution to any problem, Paul Polak observes, you have to first talk to the people who have the problem and listen to what they have to say. So that's what I did. Paul Polak is dedicated to developing prac

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2008年(六月)

America Marks 10 Years Since Sept. 11 Terrorist Attacks Americans have marked the 10-year anniversary of the September 11 terrorist attacks on the United States that killed nearly 3,000 people. Ceremonies were held in New York, at the Pentagon, and i

发表于:2019-01-13 / 阅读(53) / 评论(0) 分类 VOA标准英语2011年(九月)

NigeriaPursuesal-QaidaAffiliatedTerroristsBehindUNBombing Nigerian security services are hunting for those behind last month's bombing of the United Nations headquarters in Abuja that killed 23 people. Muslim fundamentalists who claimed responsibilit

发表于:2019-01-13 / 阅读(103) / 评论(0) 分类 VOA标准英语2011年(九月)

USSucceedinginEffortstoDisruptTerroristFinancing The United States continues to fight the war on terror - not with blood, but with zeroes and bytes and bank accounts. The attacks on New York and Washington in 2001 launched a new kind of war, one wage

发表于:2019-02-12 / 阅读(72) / 评论(0) 分类 VOA标准英语2011年(九月)