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发表于:2018-12-06 / 阅读(54) / 评论(0) 分类 化学秘密.Chemical.Secret

How Neanderthals Fought Disease Every year people are encouraged to get their annual flu shots. Signs are posted at drug stores and clinics. Get your shots here. Modern preventive medicine has saved millions of lives. But you may be surprised to hear

发表于:2018-12-31 / 阅读(48) / 评论(0) 分类 英语听力文摘 English Digest

Mystery Maize Disease Strikes Kenya Farms 玉米疾病威胁肯尼亚粮食安全 A maize disease is sweeping through Kenyas small farming communities and, in the South Rift Valley, there are few who havent been affected. Holding up evidence of his d

发表于:2019-01-13 / 阅读(60) / 评论(0) 分类 VOA标准英语2012年(六月)

The World Health Organization says exclusive breastfeeding can save millions of infant lives every year. As World Breastfeeding Week gets underway, W.H.O. and its partners are promoting mother's milk as the best way to give babies a healthy start in

发表于:2019-01-19 / 阅读(58) / 评论(0) 分类 VOA双语新闻 2008年8月

1. One year ago, our daughter Max was born and we launched Chan Zuckerberg Initiative with the goal of dramatically improving their lives of all those in Max's generation. Our mission is ambitious, advancing human potential and promoting the quality.

发表于:2019-02-23 / 阅读(76) / 评论(0) 分类 英语PK台