By Mario Ritter Broadcast: July 1, 2003 This is Robert Covent with the VOA Special English Agriculture Report. Last week, an international meeting in Sacramento, California, brought together agricultu

发表于:2018-12-07 / 阅读(30) / 评论(0) 分类 VOA2003(下)-农业与经济

Agriculture Report - New Findings About Loss of Bees This is the VOA Special English Agriculture Report. Bees add an estimated eighteen billion dollars a year to the value of American crops. They pollinate flowers that become fruits, nuts and vegetab

发表于:2018-12-16 / 阅读(34) / 评论(0) 分类 2012年VOA慢速英语(四)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(58) / 评论(0) 分类 Scientific American(十一)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Doug Johnson. November twenty-fourth marked the one hundred fiftieth anniversary of one of the most influential books ever written. Naturalist Charles

发表于:2019-01-11 / 阅读(158) / 评论(0) 分类 VOA慢速英语2009年(十二)月

27 . An Important Aspect Of College Life It is perfectly possible to organize the life of our colleges in such a way that students and teachers alike will take part in it; in such a way that a perfectly natural daily intercourse will be established

发表于:2019-01-26 / 阅读(153) / 评论(0) 分类 英语背诵文选第一册

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(70) / 评论(0) 分类 农业与发展