单词：propentdyopents
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By Carol Pearson Washington, DC 28 February 2006 watch Good News report By definition, news is something that takes place that is out of the ordinary...and a lot of news could be considered bad: car b
2006年VOA标准英语（二月）
By Mil Arcega Washington, DC 14 November 2006 warch Pandemic Impact A specialized information network known as MIDAS, short for Models of Infectious Disease Agent Study, shows an avian flu outbreak could wreak serious havoc on people and economies a
2006年VOA标准英语（十一月)
US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N
VOA标准英语2011年(八月)
By David McAlary Washington 10 May 2006 There is new evidence in the case of the missing woolly mammoth. In fact, several species of large mammals in addition to the mammoth went missing at the end of
2006年VOA标准英语（五月）
Scientists Study Genetic Basis of Autism Scientists have taken another big step toward identifying the genetic flaws which may cause autism, a type of neurological development disorder. In the latest development, laboratory mice have been genetically
VOA标准英语2011年(十月)
By Amy Katz Washington, DC 13 February 2006 watch Security Tests report Two recent tests in Washington, DC show the government's efforts to make the United States safe from terrorists. In one, the Was
2006年VOA标准英语（二月）