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  • VOA标准英语2010年-NATO Says 30 Days Needed to Secure Mar

    US Marines with NATO forces keep vigil as Marines and Afghan National Army (ANA) soldiers setup a joint military base in north of Marjah, city of Helmand province, 18 Feb 2010 A top NATO commander in southern Afghanistan said Thursday that allied tro...

  • VOA标准英语2010年-India Halts Growth of Genetically-Modi

    Protesters surround Indian Environment Minister Jairam Ramesh (C) as he arrives at a public hearing on the genetically modified (GM) eggplant crop in Hyderabad, India on Jan. 31, 2010. Indian officials have announced they will ban commercial planting...

  • SSS 2009-01-20

    This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For years, scientists and physicians have been up in arms about the rise in antibiotic resistance. Seems that many bacteria, devious buggers that they ar...

  • VOA标准英语2008年-Lord's Resistance Army Warns Against UN-Backed

    The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo...

  • 2007年VOA标准英语-Antibiotic Resistance Fast-Growing Problem Worl

    By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria...

  • 2007年VOA标准英语-Study Finds Drug Resistance Fades Quickly in Ke

    By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese...

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