单词:human herpesvirus 8
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听力文本 The official Cambridge guide to IELTS, by Pauline Cullen, Amanda French and Vanessa Jakeman, published by Cambridge University Press and University of Cambridge Local Examination Syndicate, 2014. This recording is copyright. 这是剑桥雅
SCIENCE IN THE NEWS - Killer Virus Brought Back From the Past, With the Hope to Avoid a New One By Cynthia Kirk and Caty Weaver Broadcast: Tuesday, October 18, 2005 (MUSIC) VOICE ONE: This is SCIENCE
By Nancy-Amelia Collins A World Health Organization official has warned of the likelihood of more human deaths from the bird flu virus, after the death of a teenage boy in Thailand this week. On Wedne
WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that
Experts Study Possible Human-to-Human Bird Flu Case in Vietnam Katherine Maria The World Health Organization says experts looking at human cases of bird flu cannot rule out the possibility that it spr
This is the VOA Special English Health Report. Male circumcision is the cutting off of a small amount of skin from the tip of the penis. In many parts of the world it is done when a baby is a few days old. However, in other parts of the world it is