单词：reinoculation
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[00:06.14]See, what I didn't want was to turn out boys 我不想去培养这样的一批人 [00:10.22]who would claim in later life to have a deep love of literature. 他们以后才会说深爱着文学 [00:12.82]Or who would talk in their middle ag
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The History Of Smallpox天花的历史（双语） In Shakespeares day, wishing a pox on someone was a terrible curse. Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by airborne particles or co
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The History Of Smallpox In Shakespeares day, wishing a pox on someone was a terrible curse. Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by airborne particles or contaminated clothing. Infect
英语听力文摘 English Digest
Next time your parents tell you a penny save does a penny earn,you tell them not always!!We're gonna tell you how much more a peny is worth a little later on today.CA, welcome to a new week of CNN student news. First up today,we are talking about U.S
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By David McAlary Washington 23 May 2006 Chickens at US farm Scientists have developed an efficient, cheap way to vaccinate birds against avian influenza and possibly prevent the spread of the deadly H
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Global Plan to Control Measles Launched Measles, one of the most infectious diseases on the planet, is a leading cause of death and disability among children worldwide, especially in the developing world, even though a safe and cost-effective vaccine
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ARI SHAPIRO, HOST: NPR's podcast Invisibilia is back with its fourth season. And today they have the story of a reality show in the Horn of Africa that set out to change our culture. It led NPR's Alix Spiegel to ask, can telling a certain kind of sto
2018年NPR美国国家公共电台3月
By Gilbert da Costa Abuja 08 October 2006 Five year-old Abubaker Kabir who is suffering from measles receives medication while his mother Ladi Kabir, left, watches in Kano hospital, Nigeria (File photo) In Nigeria, health officials who have fanned o
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Economics Brief 经济学简介 Six Big Ideas 六大经济理论 Human capital: The people's champion 人力资本：人的捍卫者 Gary Becker made humans the central focus of economics. The second in our series on big economic ideas. 贝克尔让人
经济学人财经系列
By CCTV Tang Bo Chinas three major hepatitis B vaccine makers have been ordered to suspend production. The countrys Food and Drug Administration made the announcement after the companies failed to get certified under the new Pharmaceutical Products s
CCTV9英语新闻2014年01月