单词：malaria chronlca
单词：malaria chronlca 相关文章
Carried by the female anopheles mosquito, malaria is a disease of the poor. In rural Africa, it is killing the young and the vulnerable. The need for a vaccine which would dramatically reduce mortality has never been greater. Dedicated teams of scie
国家地理2008年
必备知识4:一些必要的词根(stems) -anthro-,-anthropo- human anthropology -aster-,-astro-,-stellar- star asterisk -audi-,-audit- hear audience -auto- self autograph -bio- life biology -capit- head, chief capital, captain -ced-go, move,yield p
雅思英语
Experts Urge Global Action Against Chronic Diseases Infectious diseases like AIDS, malaria, and tuberculosis get a lot of attention worldwide. But another group of illnesses is even more deadly. Now, an international group of health experts says the
VOA标准英语2011年(四月)
DEVELOPMENT REPORT - Fighting Malaria, Part 1 By Karen Leggett Broadcast: Monday, July 26, 2004 This is Robert Cohen with the VOA Special English Development Report. There was a lot of talk at the Int
农业与发展
This is the VOA Special English Health Report. Malaria kills about one million people a year and sickens another two hundred fifty million. Most of the deaths are in young children in Africa. Malaria causes twenty percent of childhood deaths in Afric
2010年VOA慢速英语(十一)月
Israeli(以色列) researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew Univ
英语新闻