单词：hepatitic antigen-antibodycomplex nephritis
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A seven-year-oid's quick thinking saves his family. CNN's RANDI KAYE tells us why he's now being called the hero. RANDI KAYE, CNN CORRESPONDENT (voice-over): Courage sometimes comes in small packages, like this 7-year-old from California. UNIDENTIFIE
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Emergency Medical Care in a Backpack Researchers have created a backpack that has a computer and medicines in it that can help even untrained soldiers save the lives of wounded troops. Wounded soldiers have a better chance of survival if they get hel
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New Ebola Vaccine Proves Effective in Mice U.S. scientists have developed a new vaccine against the deadly ebola virus which has the potential to remain potent after years of storage. Ebola is one of the deadliest viruses known. It kills about nine o
VOA标准英语2011年(十二月)
Indonesian Martial Arts Find Home in Utah 印尼武术在犹他州找到发展机会 OGDEN, UTAH Martial arts imported from East Asia have long been part of the U.S. sports landscape. For decades, it has been common to see American students take self
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