单词：Rift Valley fever
单词：Rift Valley fever 相关文章
By Cathy Majtenyi Turkwel Power Station 29 September 2006 In Kenya's Rift Valley, the Turkana and Pokot ethnic groups have long battled over resources, such as cattle and land. But they recently put aside their differences for a day to take part in
2006年VOA标准英语（九月）
Life on Earth is basically proteins and DNA, so we can wonder if there is life on Mars will also be DNA and proteins, the same type of DNA, the same type of proteins. One might think that DNA is such
火星生命
This is the VOA Special English Development Report. Rift Valley fever mainly affects farm animals. But the virus can also infect humans, and South Africa has been experiencing an outbreak. The National Institute for Communicable Diseases reported two
2010年VOA慢速英语(七)月
By Cathy Majtenyi Nairobi 26 January 2007 Health authorities in Kenya say an outbreak of Rift Valley Fever that began last month appears to be tapering off. The outbreak has killed more than 100 people. Cathy Majtenyi reports for VOA from Nairobi. A
2007年VOA标准英语（一月）
Valley Fever Raises Concerns in California, Arizona Dale Pulde is selling his California home because he's unable to meet his payments. The motorcycle mechanic and drag car racer was infected with Valley Fever in California's Central Valley and has m
VOA标准英语2013年(五月)
By Derek Kilner Nairobi 23 November 2007 The Food and Agriculture Organization has cautioned that an outbreak of Rift Valley Fever in Sudan could spread rapidly in coming weeks due to the widespread movement of livestock in preparation for the Muslim
VOA常速英语2007年（十一月）