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Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V
2014年VOA慢速英语(十)月
EDUCATION REPORT - November 28, 2002: Foreign Student Series #11Health Insurance By Nancy Steinbach This is the VOA Special English Education Report. We continue our series of reports about how foreig
教育与新闻
美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup
英语新闻
Cathy Majtenyi | Nairobi 28 April 2010 In Kenya, small-scale farmers are particularly vulnerable to the vagaries of weather, often losing their entire investment when droughts or floods destroy their crops. Crop insurance is usually too costly for su
VOA标准英语2010年(四)月
The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p
实用英语
By Elizabeth Carlassare. Today, I want to answer some of the listener questions I received in response to last weeks episode about FDIC insurance. Patti M. e-mailed me with this question: If you have a CD for $100,000 in an FDIC-insured bank and the
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