单词：challeng virus
单词：challeng virus 相关文章
President George Bush says the United States faces difficult economic times - a situation made worse by congressional inaction. 美国总统布什星期二在白宫举行的记者会上说，美国正面临经济困难时期，而国会缺乏行动则使
VOA双语新闻 2008年4月
By Cathy Majtenyi Nairobi 01 February 2006 An Uganda Constitutional Court ruling that bars the military from trying opposition presidential candidate Kizza Besigye on terrorism charges is being challe
2006年VOA标准英语（二月）
By Dan Robinson Washington 07 December 2007 At a U.S. congressional hearing Thursday, witnesses challenged the testimony of a U.S. official who was defending a decision to remove Vietnam from a list of countries failing to do enough to promote religi
VOA常速英语2007年（十二月）
By Cathy Majtenyi Nairobi 23 May 2006 A young HIV positive orphan lies in his cot at the Nyumbani children home, a hospice for AIDS orphans in Nairobi, Kenya Every day, nearly 1,800 children under the
2006年VOA标准英语（五月）
AIDS Orphans Face Psychological Challenges In many parts of Africa, AIDS has had a devastating effect. Now, 30 years into the epidemic, researchers are learning more about the impact on orphans and other children whose parents get AIDS. Oxford Univer
VOA标准英语2011年(六月)
I love cricket, and I wanted to do something for my country because I come here Twelve teams from around the world are competing in this year's international tournament for one-day cricket matches, the Twenty20 World Cup. While the presence of perenn
VOA标准英语2010年(五)月