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Injection Drug Use Helps Drive HIV/AIDS in Africa Injection drug use has long been a driving factor in the HIV/AIDS epidemic in Eastern Europe and Central Asia. But now, there are signs it's a growing problem in sub-Saharan Africa, as well. The Washi
VOA标准英语2011年(四月)
By Gilbert da Costa Abuja 23 May 2007 Before the deadline for petitions challenging April's presidential vote, at least seven opposition candidates have filed the necessary documents. For VOA, Gilbert da Costa in Abuja reports that the opposition is
2007年VOA标准英语（五月）
托福写作中涉及到很多词汇的使用，任何情况下词汇是至关重要的，那么这些经常用到的词汇，你现在完全了解了吗?经常写作，经常修改，不断地改善自己的写作水平，注意写作中不仅仅是词
英文语法词汇
STEVE INSKEEP, HOST: Philadelphia is looking at a new tool to fight opioid addictions - supervised injection sites. That's where people can safely inject heroin or other opioids under medical supervision. It would be the first such site in the U.S.,
2018年NPR美国国家公共电台1月
DAVID GREENE, HOST: The state of Arkansas has a death penalty problem. The state is rushing to execute death row inmates at an unprecedented pace this month before its supply of lethal drugs expires. The expiration date is important because it's gett
2017年NPR美国国家公共电台4月
Fifty-four percent of the world's population 世界上54%的人口 lives in our cities. 居住在城市。 In developing countries, 在发展中国家， one third of that population 有三分之一的人 is living in slums. 居住在贫民窟。 Sev
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