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让绿色走遍世界每一个角落
Henry Chesbrough: The Green Exchange is an attempt to get technologies that are renewable and sustainable from the advanced, developed economies of the world, into the developing economies on the plan
英语听力材料2010-05-21 -
担忧经济 全球金融市场下挫
triple-dose of economic worries sent global financial markets sharply lower Thursday. There are mounting concerns about Europe's debt situation and signals of U.S. economic weakness triggered a sell
英语听力材料2010-05-21 -
一次跨越国境的拔河比赛
The tug of war team first start with Niagara Falls Canada and Niagara Falls New York of well before we all mogul made to original service. So started in this late 60s and continues on to today.This is
英语听力材料2010-05-21 -
克莱格:需要一次彻底的改革
Clearly the result of the election means that politicians have a duty to speak to each other because people deserve good, stable government and that is why I am very keen that the Liberal Democrats sh
英语听力材料2010-05-21 -
听音乐与数学有关
Why do some chords sound sweet but others make you wince? Well it appears our ears—or at least the ears of 250 Minnesota undergrads—prefer chords containing harmonically related frequencies, accordi
英语听力材料2010-05-21 -
室内空气污染危害身体健康
According to the Ministry of Housing and Urban-Rural Development, new buildings in China total about 2 billion square meters each year. 据住房和城乡建设部统计，中国每年新建筑面积总计20亿平方米。As par
英语听力材料2010-05-20 -
50年后的天气情况是怎么样的?
Today, a climate scientist in the U.K. responds to critics of computer modeling. Critics claim that if forecasts of weather just days away are often wrong, how can scientists claim to know what climat
英语听力材料2010-05-20 -
如何帮助你的宝宝学习讲话?
AA: I'm Avi Arditti, Rosanne Skirble is away. This week on WORDMASTER: baby talk.(MOVIE SOUND)The movie "Babies" is now showing in theaters in the United States. It's a documentary that follows four
英语听力材料2010-05-20 -
苹果与Adobe关于软件间的争执
Let's get to the debate here. Is it really a case of not separating Apple from the software developers, doesn't want Adobe kind of stick in a wedge between here on the platforms?Yeah, I mean, this h
英语听力材料2010-05-20 -
香蕉上为何会生出褐色斑点?
Y: So Don, yesterday I was walking down the produce aisle when I saw it--long, ripe,yellow，the perfect banana. It really looked delicious and I had to have it. I took it home and hung it on a banana
英语听力材料2010-05-19 -
骨质疏松成宇航员职业病
EarthSky spoke with biomedical engineer Ted Bateman of the University of North Carolina, Chapel Hill. With support from the National Space Biomedical Research Institute, he’s testing therapies to hel
英语听力材料2010-05-19 -
狗狗能帮助战争中的伤员
The U.S. military uses dogs to help troops on sentry duty and bomb-sniffing patrols. But dogs are also proving their worth off the field of battle by helping wounded soldiers recover. A new documentar
英语听力材料2010-05-19 -
阿富汗的前景依旧艰难
More than a thousand American soldiers have died in the war in Afghanistan. On Thursday, Afghan President Hamid Karzai was joined by Defense Secretary Robert Gates as well as General Stanley McChrysta
英语听力材料2010-05-19 -
墨西哥湾原油泄漏速度可能减缓
This is the first step forward for America where we can actually say that the amount of oil leaking at the Gulf of Mexico could be slowing down. What BP tells us is that last night they successfully i
英语听力材料2010-05-19 -
天花疫苗能限制HIV病毒?
Could the eradication of smallpox have been a factor in the spread of HIV? That’s the question posed by researchers in the journal BMC Immunology, who think that the vaccine might have offered partia
英语听力材料2010-05-19 -
大自然中生物发电的未解之谜
The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them. When there is a powe
英语听力材料2010-05-18 -
指南还是指北
One of you asked this question. “Does a magnetic compass point to the North Pole?” The answer is … not exactly. The North Pole is the spot on Earth’s globe that marks the northern end of an imagin
英语听力材料2010-05-18 -
笑,可以降低心脏病的发病率
中国有句俗语叫"笑一笑,十年少".而日前,美国罗马琳达大学心理神经研究家李·伯克博士研究发现,笑具有调节血压、胆固醇的功效,从而降低了心脏病的发病频率(Soundbite of movie, "A Night At The Opera") Mr. JULIUS H
英语听力材料2010-05-18 -
泰"红衫军"不只是贫困阶层
Many of the so-called Red-Shirt protesters who have spent more than two months demonstrating against the government on the streets of Thailand's capital come from the country's rural poor and urban
英语听力材料2010-05-18 -
美国为发展中国家提供太阳能解决方案
Basic need
英语听力材料2010-05-18
Laura Stachel is crouching on the floor of her Berkeley kitchen, which is cluttered with spools of wire, small solar panels and assorted tools. She lifts the cover of a black carry-on su -
珊瑚幼虫如何在大海中安家?
How do baby coral find a new home in the open ocean? They listen – very closely—for reef sounds.
英语听力材料2010-05-18
Scientists at the University of Bristol in England had already discovered in the last few years tha -
关了空调 或许地球会凉快些
A strict no-air-conditioning ban was enforced for 87,000 Taiwanese students taking the college entrance examinations this month despite temperatures in many areas reaching 34 to 36 degrees Celsius.尽管
英语听力材料2010-05-17 -
钢铁侠2:只是为了钱
六个月前，年轻帅气的军火商托尼•斯塔克经历了人生最大的一次危机－－不仅身体被改造，还被一直亲密无间的合作伙伴狠狠的摆了一道，幸亏凭借自己研制的全新战服才得以化解危机，斯塔克在公众前的代号，除了花花
英语听力材料2010-05-17 -
到非洲联合馆体验非洲风情
非洲联合馆的外形虽然是一个规则的立方体，但在这个立方体的外立面上，合欢树、沙漠、海鸥、长颈鹿等特征明显的非洲元素一一呈现，勾勒出非洲大陆的别样风情与风貌，将古老的非洲文明抽象地展示出来。步入世博非洲馆
英语听力材料2010-05-17 -
既无课本又无课堂的学院
St. John's College looks like a typical American college. But what goes on inside its classrooms is unlike just about every other college in the United States. At this small institution, about 60 k
英语听力材料2010-05-17
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