By John Shields Washington 10 February 2006 watch Africa Bird Flu report Chickens for sale in a Lagos market The World Health Organization says this week's outbreak of the deadly H5N1 avian flu virus

发表于:2019-01-07 / 阅读(118) / 评论(0) 分类 2006年VOA标准英语(二月)

By Pat Harris Washington 12 April 2006 Watch Fat Virus report Obesity is a growing problem around the world. In the United States, for example, almost one-third of the adult population is overweight.

发表于:2019-01-09 / 阅读(79) / 评论(0) 分类 2006年VOA标准英语(四月)

Stem Cell Therapy Effective Against HIV Virus in Mice The actual stem cells were injected in my arm, said Diana Souza. Diana Souza says stem cell therapy helped restore full use of her severely fractured arm. It is a miracle. It does work. And I have

发表于:2019-01-13 / 阅读(34) / 评论(0) 分类 VOA标准英语2012年(五月)

Save the Eggs Vaccine makers crack the eggshell and inject the virus into the white stuff surrounding the yolk. Then they reseal the egg, the embryo becomes infected, and the virus is allowed to copy itself trillions of times over. And they use eggs

发表于:2019-01-26 / 阅读(30) / 评论(0) 分类 英语听力文摘 English Digest

Rabbits Down Under In 1859, an unassuming Australian landowner named Thomas Austin got the hunting bug. Eager for something to shoot, he released twenty-four wild rabbits onto his property and had a jolly time tracking them down. Unfortunately, some

发表于:2019-02-16 / 阅读(43) / 评论(0) 分类 英语听力文摘 English Digest

Emotions and the Common Cold 好心情是一剂良药 Yal: Youve probably heard it said that ones attitude affects ones health. Don: Yeah! Yeah! If you maintain a positive attitude or mood, then youre less likely to get sick than if youre angry or de

发表于:2019-02-16 / 阅读(34) / 评论(0) 分类 英语听力文摘 English Digest