By Gary Garriott Broadcast: August 25, 2003 This is Steve Ember with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. Freezing lowers the food temperature belo

发表于:2018-11-27 / 阅读(438) / 评论(0) 分类 VOA2003(下)-发展与科学

But could this effect be transmitted to their offspring? They found nearly 200 women of whom a number had actually been in the Twin Towers. About half of them developed post-traumatic stress disorder.

发表于:2019-01-02 / 阅读(43) / 评论(0) 分类 基因外遗传现象

DEVELOPMENT REPORT - Freezing Food By Gary Garriott Broadcast: Monday, December 27, 2004 I'm Gwen Outen with the VOA Special English Development Report. Freezing can keep food fresh and safe to eat. F

发表于:2019-01-02 / 阅读(58) / 评论(0) 分类 农业与发展

By Greg Flakus Houston 15 January 2007 Wintry weather conditions are causing widespread disruptions in the Great Plains states and as far south as Texas and Louisiana. Hundreds of thousands of people are without electrical power and icy roads have c

发表于:2019-02-03 / 阅读(84) / 评论(0) 分类 2007年VOA标准英语(一月)

Eating Can Boost Mood,UK Researchers Find (2002)Feeling tired and stressed out? A new study provides evidence that a bowl of ice cream or mashed potatoes can lift your spirits.Researchers from the University of Surrey in the UK investigated t

发表于:2019-02-18 / 阅读(27) / 评论(0) 分类 阅读空间

Eleven Ways to Reduce Morning Stress Lose an hour in the morning, and you will be all day hunting for it.Richard Whately Mornings can be the most stressful part of our day if we fail to manage our time and health needs appropriately. Many of us deal

发表于:2019-02-18 / 阅读(61) / 评论(0) 分类 阅读空间