The World Health Organization says it has reached a limit in its fight against diseases and disasters. Director-General Margaret Chan says the agency is overextended and faces serious funding shortfalls. Dr. Chan says the WHO is no longer operating a

发表于:2019-01-11 / 阅读(24) / 评论(0) 分类 2011年VOA慢速英语(一)月

By David McAlary Washington 20 June 2006 Older women at high risk for breast cancer may soon have a new treatment option. Researchers have discovered that an osteoporosis drug is effective against the disease. In fact, it is as good as the establish

发表于:2019-01-13 / 阅读(122) / 评论(0) 分类 2006年VOA标准英语(六月)