单词：sulphemoglobinemia
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By Jim Malone Washington 23 April 2007 Students and faculty returned to classes at Virginia Tech University, one week after the worst mass-shooting spree in U.S. history. VOA national correspondent Jim Malone reports from Washington. A white balloon(
2007年VOA标准英语（四月）
This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime
Scientific American(九)月
By Melinda Smith Washington, D.C. 12 June 2007 Obesity is a worldwide problem. Researchers have still not come up with the perfect diet or pill to help those who need to lose weight keep it off. The latest drug to show some promise is a synthetic hor
2007年VOA标准英语（六月）
By Andr de Nesnera Washington 14 November 2007 Forces from the 26-member North Atlantic Treaty Organization, or NATO, are encountering stiff resistance from Taliban insurgents in southern Afghanistan. In this report from Washington, VOA senior corres
VOA常速英语2007年（十一月）
I know that you're leavin' As soon as the sun Comes through the window There's no talking this over The damage is done There's just too much hurt Too much to forgive Oh, but we both know We weren't always like this Help me remember The way that we u
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