单词：
单词： 相关文章
By Melinda Smith Washington 10 July 2007 A recent study in the Journal of the American Medical Association shows that older people who carry certain genes are more susceptible to a loss of their central vision. That loss of sight is an advanced form
2007年VOA标准英语（七月）
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
2011年VOA慢速英语(三)月
THE MAKING OF A NATION - American History: Popular Culture in '50s STEVE EMBER: Welcome to THE MAKING OF A NATION American history in VOA Special English. Im Steve Ember. Imagine a time machine. Youve just climbed into it for the purpose of visiting
2011年VOA慢速英语(九)月
Popular Culture Inspires Top US Baby Names Theres a better-than-random chance that babies born in the United States last year, 2010, were named Bella or Edward. Those were among the 10 most popular girls and boys names, respectively, and it was more
VOA标准英语2011年(十二月)
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
VOA标准英语2011年(十月)
HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American
健康与经济