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In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc
新东方现代文背诵篇章
Quentin Tarantino is an award-winning American film director, screenwriter and actor. He is known for his stylish and violent movies. He rose to fame in the early 1990s for his unique directing method that relied heavily on dialogue. His screenplays
各国名人英文介绍
Charles is a lonely young man and Amy is a crippled girl on a wheelchair. They meet, get to know each other and begin going out together. Charles falls in love with Amy and hopes to be the only chairpusher in her life. But Amy prefers independence t
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By Jessica Berman Washington 17 January 2007 If or when it strikes, the avian flu pandemic would likely kill victims by switching on an uncontrolled immune system response. That's according to researchers, who studied a 90-year-old flu virus in the h
2007年VOA标准英语（一月）
By Melinda Smith Washington, D.C. 24 November 2006 watch SIDS report Sudden Infant Death Syndrome is considered the most common cause of death among babies younger than one year old. The reason for these deaths is often a mystery. Now researchers ha
2006年VOA标准英语（十一月)
By Lisa Schlein Geneva 28 September 2006 Leading avian influenza scientists from around the world say more research is needed to understand the H5N1 bird flu virus to be able to effectively diagnose and treat the disease. That's the conclusion of sc
2006年VOA标准英语（九月）
By Carol Pearson Washington, DC 26 April 2006 watch AIDS What Works report Unprecedented amounts of money are going to prevent the spread of HIV and AIDS. But, as VOA's Carol Pearson reports, finding
2006年VOA标准英语（四月）
By Tom Rivers London 23 January 2007 Police officers stand outside a semi-detached house in High Wycombe, England, after a anti-terror raid (File photo) Five men have been arrested in two separate anti-terror raids in northern England. For VOA News,
2007年VOA标准英语（一月）
By Crystal Park Washington, D.C. 23 June 2006 Watch Drug Report Raloxifene A drug that treats osteoporosis has also been found to be effective in preventing breast cancer. The results are published in this week's Journal of the American Medical Asso
2006年VOA标准英语（六月）
Identifying Source of Deadly E. Coli Remains a Challenge Frustration is building in Europe as the source of Germany's E. coli outbreak remains unsolved. U.S. health experts say tracking down a deadly germ can be a complicated task. When they notice a
VOA标准英语2011年(六月)
2nd Digital Revolution is Potential Bonanza for Innovative Startups The buzz was palpable at Internet Week New York, a digital culture festival. With more than 300,000 workers employed in New York's technology sector, and nearly $2 billion in dot-com
VOA标准英语2011年(六月)
New Treatment Potential Found in Popular TB Drug Scientists say new insights into a common tuberculosis drug will make it possible to shorten the treatment period for patients infected with TB. The drug pyrazinamide is widely used in combination with
VOA标准英语2011年(八月)
Have you ever wondered how those hard-shelled mollusks known as mussels anchor themselves to rocks on lake and river bottoms? How they stick to sea walls, or resist pounding waves? Scientists at the University of Chicago have done more than come up w
VOA标准英语2011年(二月)
By Scott Bobb Lake Naivasha, Kenya 14 February 2008 Kenyan flowers account for one-third of Europe's cut flower imports, and Kenyan growers have been working hard to keep exports up for the Valentine's Day holiday, despite ethnic violence that has pa
VOA常速英语2008年（二月）
By Tom Rivers London 13 October 2006 Muhammad Yunus waves to well-wishers at his home in Dhaka, Bangladesh, Oct.13, 2006 Muhammad Yunus and the Bangladesh bank he set up 30 years ago have been jointly awarded the 2006 Nobel Peace Prize. --- Muhammad
2006年VOA标准英语（十月）
The world's first treaty aimed at cutting tobacco-related deaths has come into force. The World Health Organization's Framework Convention on Tobacco Control becomes legally binding upon countries that have ratified the landmark agreement. 全球第一
VOA双语新闻 Bilingual News
By Joe Bavier Dantchandou, Niger 10 April 2006 Scientists in Niger, the world's poorest country, are using a new high-tech satellite transmission system to help with rural health care. The network of
2006年VOA标准英语（四月）
By Jessica Berman Washington 15 March 2006 A new study says universal access to AIDS drugs in developing countries could increase HIV infection rates if they are not accompanied by prevention measures
2006年VOA标准英语（三月）
今天我们要学的词是credentials。 Credentials, 是指能够证明某人胜任工作的学历和经验。 All candidates for the dean's position have excellent academic credentials, 系主任一职的所有候选人都具有很高的学术成就
英语单词荟萃
By Naomi Schwarz Dakar 15 May 2007 France's president-elect, Nicolas Sarkozy, will be inaugurated on Wednesday. Some West Africans, uneasy over Sarkozy's campaign statements on immigration and the status of immigrants, say they worry about their coun
2007年VOA标准英语（五月）