标签：dange 相关文章
SCIENCE IN THE NEWS - Reforms at NIH / Tobacco Smoke a Danger to Children / A New Way to Add Iron to the Diet By Cynthia Kirk and Jill Moss Broadcast: Tuesday, February 15, 2005 VOICE ONE: This is SCI
科技之光
The global trade in precious stones is a multi-billion dollar business. It touches the lives of people in the mines of South Africa, stone cutters of India, and countless others around the world. These precious gems adorn, kings, queens, movie stars
VOA标准英语2008年（九月）
This is the VOA Special English Agriculture Report. Mangroves are unusual looking trees. They have roots that stand in saltwater and look like cables or ropes laid one on top of another. Mangroves are not just pretty -- they help the environment. But
2010年VOA慢速英语(四)月
By Lisa Schlein Geneva 07 December 2007 The International Organization for Migration says it is starting a new outreach and information campaign to try to deter Somali and Ethiopian migrants from making the dangerous journey to Yemen across the Gulf
VOA常速英语2007年（十二月）
By Daniel Schearf Irbil 17 March 2008 Five years after the U.S.-led invasion of Iraq, officials say the situation in the country has vastly improved - if only in the last year. But human rights organizations say abuses are widespread, and most Iraqis
VOA标准英语2008年（三月）