单词：photoelectric effetc
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From NPR News in Washington, Im Korva Coleman. President Obama has signed an executive order spelling out limits on federal funding for abortion under the new health care law. NPRs Scott Horsley reports. Michigan Congressman Bart Stupak and other ant
2010年NPR美国国家公共电台3月
TEXT Seen through the eyes of a young friend Einstein was a simple, modest and ordinary man. The professor and the Yo-yo My father was a close friend of Albert Einstein. As a shy young visitor to Einstein's home, I was made to feel at ease when Einst
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洪恩环境英语
Science and technology. 科技。 Photoelectric cells. 光电池。 To dye for. 利用染料进行能量转化。 A new type of cell may bring solar energy indoors. 一种新型电池也许能带来室内太阳能。 THE phrase indoor solar power sou
经济学人科技系列
This is a special version of our podcast. There's no script for the podcast, because it is an unscripted interview by Dr. Lucy Tse with the host, Jeff McQuillan. Here are the questions that she asks: - Why did you decide to start ESL Podcast? - How d
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四六级阅读占考试的比重很大，很多考友也为阅读烦恼不已，该怎么办呢？两个字：多看！ 所以，从今天开始，每天会节选一些文章和大家一起阅读。 接
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A top U.S diplomat has urged Pakistan and Afghanistan to increase anti-terror coordination saying they must extend their governments' authority to their border regions in order to check rising militant activities. Speaking at the end of his three-da
VOA标准英语2008年（七月）
Stock markets around Asia rallied to a three-week high on news that the United States and other governments are considering bold steps to counter a global economic slowdown. Stocks rose Monday because of word a deal may be nearing to avert collapse
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By Dan Robinson Capital Hill 22 May 2006 A U.S. congressman, who is the target of a bribery investigation by federal authorities, says he intends to fight corruption allegations. A long-running federa
2006年VOA标准英语（五月）
By Cathy Majtenyi Nairobi 24 January 2006 Injured man is carried away from rubble on stretcher Efforts are continuing in Kenya to rescue survivors trapped inside a five-story building that collapsed M
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The Haiti earthquake created a huge and urgent need for water, food, medicine and other services - a need that required an international governmental and private response. But the only organization with the kind of capability to deliver the magnitude
VOA标准英语2010年(一月)
According to the International Maritime Organization, 20 ships - and more than 438 sailors and passengers - are being held by pirates. U.N. political chief Lynn Pascoe warns that Somali pirates, driven by a lack of legitimate economic opportunities,
VOA标准英语2010年(十一)月
Al Gore accepted the Nobel Peace Prize in 2007 along with Rajendra Pachauri accepting on behalf of the UN's intergovernmental panel on climate change for their work to sound the alarm over global warming. The Six Nobel Prizes are traditionally awarde
自然百科2009年
Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym
经济学人科技系列
But the landmark eventthe dawn of a new agecame in 1905, when there appeared in the German physics journal Annalen der Physik a series of papers by a young Swiss bureaucrat who had no university affiliation, no access to a laboratory, and the regular
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By Carol Pearson Washington 24 October 2007 October 24th is World Polio Day. Since 1988, national governments, public health organizations and civic organizations have slashed the number of polio cases by more than 99 percent. But now the eradication
2007年VOA常速英语（十月）
Science and technology 科学技术 Photoelectric cells 光电池 To dye for 染料光电池 A new type of cell may bring solar energy indoors 一种新型电池有望将太阳能引进室内 THE phrase indoor solar power sounds like an oxymoron. 室内
经济学人科技系列
Marie Curie was born in 1867. She is one of the greatest scientists ever to have lived. She was a pioneer in the field of radioactivity and discovered the chemical elements radium and polonium. Curie is the only person ever to win two Nobel Prizes in
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