单词：xanthomonas vasculorum(cobb.)dowson
单词：xanthomonas vasculorum(cobb.)dowson 相关文章
By Craig McCulloch Vancouver 21 June 2006 Canadian Prime Minister Stephen Harper says terrorism is among the biggest challenges facing the world's cities. Policy makers, activists and scientists are meeting in Canada for the United Nations sponsored
2006年VOA标准英语（六月）
Technology Report - Scientists Develop Smartphone App for Eye Exams This is the VOA Special English Technology Report. More than two hundred eighty million people around the world have vision problems or are blind. The World Health Organization says
2011年VOA慢速英语(五)月
Study: Stop-Smoking Aid Ups Cardiovascular Risks An analysis of more than a dozen drug studies finds that smokers who take the drug Chantix to help them kick the habit face significantly higher risks of cardiovascular problems including stroke, heart
VOA标准英语2011年(七月)
Markets Erase Gains, Dow Loses 519 Points Stock volatility continued on Wall Street Wednesday as markets turned their attention once more to the weak global economy. After an impressive rally Tuesday, fears about high levels of public debt in the U.S
VOA标准英语2011年(八月)
A new report warns the gloomy economic outlook for rich nations could spread and halt the recent boom in developing countries, if commodity prices plunge. The annual Trade and Development Report by the U.N. Conference on Trade and Development or UNC
VOA标准英语2008年（九月）
By Mohamed Elshinnawi Washington 07 May 2007 A recent symposium in Washington, D.C. examined What does it mean to be Muslim in America? Georgetown University's Center for Muslim-Christian Understanding hosted the event, along with On Faith , an inter
2007年VOA标准英语（五月）