单词：cell alternative
单词：cell alternative 相关文章
By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
VOA2003（下）-环境与健康
Prototype Solar Cars Train Future Alternative Energy Experts JOHANNESBURG In South Africa, students at the University of Johannesburg have taken on the challenge of building their own solar cars and racing them in competitions. While it offers plenty
VOA常速英语2013年(十二月)
By John Shields Washington, DC 28 February 2006 watch Food vs Fuel report With the world's oil supply increasingly at risk of terrorist attacks and other disruptions, there is an international rush to
2006年VOA标准英语（二月）
This is Scientific Americans' 60-Second Science. Im Steve Mirsky. Got a minute? The search for alternative fuels to gasoline has led to surprising possibilities, for instance, the waste oil for making French fries. But one of the most unusual alterna
Scientific American(一)月
When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy
国家地理2008年
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea
国家地理2008年
This week well discuss choices about how best to use the words option and alternative. Frequently the words option and alternative are used interchangeably, but there is a difference. Do you know what it is? Lets say Horatio has a primary plan of act
英语语法 Grammar Girl
By Katherine Cole Tres Chicas is a rarity on the music charts: A vocal group in which all three singers are frontwomen in their own right. And don't get ready to rumba, because despite their Latin nam
VOA2004（下）--文化艺术
By Brian Padden Washington 25 December 2007 With virtually no oil or natural gas resources of its own, Germany relies on Russia for 20 percent of its oil and one-third of its gas imports. But with Russia displaying a willingness to use oil as a polit
VOA常速英语2007年（十二月）
By Jim Fry Washington, D.C. 26 February 2007 watch Energy report President Bush is looking for new ways to encourage the use of alternative energy, and Democratic Party leaders who control Congress appear to be only too ready to comply. That leaves
2007年VOA标准英语（二月）
By Mike O'Sullivan Los Angeles 01 March 2006 Windmills in California Windmills are sprouting across the United States, as Americans search for non-polluting alternative energy sources. The West Coast
2006年VOA标准英语（三月）
President Barack Obama says the United States should depend more on so-called clean forms of energy, like wind and solar, and less on oil. The president promoted his alternative energy plan on an Earth Day visit to the central state of Iowa. Preside
VOA标准英语2009年(四月)
China's energy production relies heavily on coal-fired power stations. As the world's highest emitter of greenhouse gasses, China consumed more than 400 million tones of coal last year. As many parts of China have been shrouded in a gray haze over th
英闻天下
By Jerilyn Watson Broadcast: July 17, 2003 This is Bill White with the VOA Special English Education Report. Some young people in the United States attend 1)alternative schools. These are schools that
VOA2003（下）-教育与新闻
Scripts: The first official drive of a hydrogen fuel cell car in china. G.M boss Rick Wagoner telling CNN his company's ultimate financial viability depends on taking a lead in alternative fuel technology. I wouldnt want to try to be the, the you kn
商业报道2007年
By Gary Thomas Washington 09 February 2007 The controversy over the Bush Administration's pre-war intelligence on Iraq was further fuelled Friday by an internal Pentagon critique of the work of a little-known Defense Department office. As VOA corresp
2007年VOA标准英语（二月）
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
趣味英语
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻
今天我们要学的词是 alternative. Alternative 作为形容词，意思是另外的，可以用于替代的。Stephen Hawking predicts that planet Earth will only survive another 100 years, and it's urgent to consider an alternative planet. 霍金
英语单词荟萃