By Melinda Smith Washington 30 March 2007 Since the mid-20th century the World Health Organization reports there has been an increase in the rate of breast cancer among women in developed countries. For decades, doctors have urged their patients to d

发表于:2018-12-16 / 阅读(126) / 评论(0) 分类 2007年VOA标准英语(三月)

54 时差对大脑的影响 DATE=6-6-01 TITLE=SCIENCE REPORT- Jet Lag and the Brain BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-04 / 阅读(102) / 评论(0) 分类 科技之光

Well, it's helped us, but we're a little different in the sense of the amounts of money that we have received thus far. Ours has been about $22 million. We received money basically in categorical grants. We got CDDB or community development funds, we

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 CNN2010年(二)月

Searching the Internet can be a totally exhausting experience, as you bounce from one site to another to another, sometimes until you cant remember what you were looking for in the first place. But according to scientists at U.C.L.A., all that virtua

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(十)月

European Leaders Take Partial Step Toward Stabilization European leaders gathered in Brussels from all parts of the region and nearly as many points of view. In the end, they agreed to move toward tighter control of banks in countries that use the eu

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2012年(十月)

The European Union budget 欧盟预算 The gourmands of Brussels 布鲁塞尔的贪食者 The EU may be spending less, but the cost of running it is rising 欧盟也许会削减开支,但是运营成本在增加 THE European Union is on the verge o

发表于:2019-02-24 / 阅读(56) / 评论(0) 分类 经济学人商业系列