- Ancient Ice Helps Scientists to Know Temperature Changes
- Jim White studies really old ice. He’s director(主任，负责人) of the Institute of Arctic(北极的) and Alpine(阿尔卑斯的) Research at the University of Colorado at Boulder and lead U.S. investigator on the North Greenland Eemian Ice Dr...
- 作者：发表于：2010-08-24 16:19:23 点击：47991 查阅全文...
- Quality of Life Decreases as Weight Increases
- 边听边阅读，完成新闻填空练习。相关智能听写练习，提高你的听力。Poor eating habits and a lack of exercise are two of the reasons people gain weight. Here in the US, the rate of obesity(肥胖症) doubled over a span of 16 years. But the increase in ob...
- 作者：发表于：2010-08-12 16:33:24 点击：41918 查阅全文...
- When Your Surgeon is a Robot
- Doctors routinely(例行公事地) use robotic devices to____1____ (协助)them during surgery(外科手术). But what if there were no longer doctors sitting at the controls of these machines? It could happen. Researchers are ____2__...
- 作者：发表于：2010-08-11 15:41:43 点击：54438 查阅全文...
- The First Lady’s Vacation
- I have to agree that the first lady's____1____ (假期)trip to a pricey(昂贵的) resort(度假胜地) in Spain in a week when we are ____2____ (使想起) that nearly 1 out of 10 Americans is still unemployed — well, that is not...
- 作者：发表于：2010-08-10 11:01:13 点击：71969 查阅全文...
- Doctors Warn Link Between Hot Weather and Heart Attack
- Doctors warn patients with lung(肺) and heart disease to stay indoors during hot weather. Dr. Kausalya Pendyal tells her patients in Richmond, Virginia before they go outside to check the Air Quality Index(大气质量指数)—a governmen...
- 作者：发表于：2010-08-06 13:58:49 点击：69539 查阅全文...
- 40 U.S. Billionaires Pledge Half Of Wealth To Charity
- Forty U.S. billionaires made a big ____1____ (宣告) today. They pledged(发誓) to give at least half of their wealth to charity(慈善) — either during their lifetimes or after death. And that could give a big ____2____ (推动) to nonp...
- 作者：Pam Fessler发表于：2010-08-05 10:50:38 点击：53802 查阅全文...
- American Old-Time Music Alive, Thriving in Rural Virginia
- On a recent Saturday, traditional American bluegrass music ____1____ (产生共鸣) in a park in the Blue Ridge Mountains. The young and the adult alike danced to ____2____ (曲调) at the Wayne C. Henderson Music Festival and Guitar...
- 作者：发表于：2010-08-04 14:05:04 点击：69389 查阅全文...
- What's so Worrisome about a Blackberry?
- BlackBerry ____1____ (有……瘾的人) may not be able to get their fixthe next time they visit the United Arab Emirates(阿拉伯联合酋长国). Telecom(电信) regulators(委员) in the emirates(酋长国) say they will shut...
- 作者：Martin Kaste发表于：2010-08-03 15:00:42 点击：47182 查阅全文...
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