单词:rheumatica tetania
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A journalist has a strange story to tell. I've never been a superstitious person ... never believed in ghosts or things like that. But, two years ago, something happened which changed my attitude. I s
AS IT IS - The violence that has become increasingly common in Egypt From VOA Learning English, welcome to AS IT IS! Hello, Im Steve Ember. Today Christopher Cruise reports on the violence that has become increasingly common in Egypt. Next - to the c
An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s
Oscar-Nominated Film Traces Journey of Ailing African Youngsters The film follows Rwandan cardiologist Emmanuel Rusingiza as he struggles to save young heart patients, some with just months to live. You know, sometimes when I go back home, I spend ma
JUDY WOODRUFF: One of the gaping wounds of the housing crisis and the great recession that immediately followed it was a huge jump in the number of foreclosures in cities and regions around the country. In many ways, the housing market today is healt
初级英语听力(新版) Lesson26 1. Four, nine, seventy-seven Fourth of September, nineteen seventy-seven 2. Twenty-four, eight, sixty-three Twenty-fourth of August, nineteen sixty-three 3. Seven, seven forty-three Seventh of July, nineteen forty-