VOA英语2010年-Early HIV Treatment Saves Lives

A review of the guidelines for HIV treatment in poor countries finds priority should go to starting that treatment early. What we learned from a clinical standpoint, as well as a cost-effective standpoint, is that earlier anti-retroviral therapy impr

VOA标准英语2013--Prototype Solar Cars Train Future Alternative Energy Experts

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

2006年VOA标准英语-Demand for Alternative Energy Poses Many C

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

SSS 2008-01-31

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

【听听测测】Model Test 70

Cancer____ who use___ medicine are no more likely than other cancer patients to stop their___ treatments,____ of an Austrian study show. In fact, the____ who did the study report that patients who used alternative medicines often had good___ skills

国家地理-2008-04-12 Alternative Energy 可替代能源

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

英语语法：135 "Alternate" Versus "Alternative"

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

Tres Chicas' Sweetwater Offers Country Fans Alternative Root

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

VOA常速英语2007年-German Investments in Clean Alternative Energy

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

2007年VOA标准英语-President and Congress Push Alternative Fuels

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

2006年VOA标准英语-Wind Power Grows as Alternative US Energy

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

VOA标准英语 Obama Promotes Alternative Energy On Earth Day

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2010年-Early AIDS Treatment Saves Lives, Mone

A new study of HIV-infected people in Haiti indicates that starting treatment early could save many patients who might otherwise die of AIDS. And starting anti-AIDS medicines earlier might also save money. The World Health Organization currently reco

VOA标准英语2010-Starting AIDS Treatment Much Earlier May

Joe DeCapua 15 April 2010 Over the years, theres been debate over when to start HIV-positive patients on anti-retroviral drugs, or ARVs. At first the standard practice was to wait until a persons immune system had nearly collapsed. But a growing body

英闻天下——410 Alternative Energy to Improve China's Air Quality

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

Alternative Education

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

60秒科学:Apnea Treatment Improves Golf Game

Apnea Treatment Improves Golf Game A study presented at CHEST 2009, the meeting of the American College of Chest Physicians, found that golfers with apnea who got treatment lowered their handicaps by as much as three strokes. Steve Mirsky reports The

2007年VOA标准英语-Alternative Intelligence on Iraq Called Dubious

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

VOA标准英语2010年-Study: Acupuncture Helps Fight Depress

Researchers at Stanford University in California say acupuncture can be an effective weapon against depression in pregnant women. Depression can pose serious health risks to mother and baby, according to Rachel Manber, a Stanford University psychiatr

学个词 Learn a Word-VOA英语教学 2810 alternative

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