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(125) / 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

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

Song:100% Natural Artist:Alsou Natural Oooh, yeah At the the centre of me, baby would you believe That I am everyything that I was born to be Why would I cover up What comes natural enough I have everything that god has given me I won't hide, who

发表于:2019-01-11 / 阅读(58) / 评论(0) 分类 英语热力歌曲

Animals can predict natural disasters 动物能够预知自然灾害 There is no evidence that animals possess a mysterious sixth-sense allowing them to predict natural disasters. Their keen senses of smell, hearing, and sharp instincts alone are eno

发表于:2019-02-01 / 阅读(275) / 评论(0) 分类 实用英语

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