[医] 塞罗沙门氏菌

CNN 2010-08-30

CARL AZUZ, CNN STUDENT NEWS ANCHOR: It's the most awesome day of the week, and we're glad you're spending part of it with CNN Student News. I'm Carl Azuz. You're in for 10 minutes of commercial-free headlines starting right this second. First Up: Foo

发表于:2018-12-02 / 阅读(56) / 评论(0)

CNN2010年(八)月

SSS 2010-09-22

This is Scientific Americans 60-Second Science, Im Christopher Intagliata. Got a minute? Last month's salmonella outbreak got over 1,500 people sick. And one reason salmonella may be such a heavy hitter is that it actually hijacks our immune response

发表于:2018-12-24 / 阅读(34) / 评论(0)

Scientific American(九)月

国家地理-2008-06-09 Eruption Changing Galapagos 加拉帕戈斯群岛火山爆发

A volcano that started erupting on one of the Galapagos Islands last week may be changing the landscape of the island. According to the Associated Press, rangers and tour guides spotted lava flowing down the northeastern flank of the Cerro Azul Volc

发表于:2018-12-30 / 阅读(49) / 评论(0)

国家地理2008年

VOA慢速英语 2008 0401a

This is the VOA Special English Agriculture Report. Scientists say flies can spread bacteria in hen houses The common housefly is unwelcome around food because flies can carry disease-causing germs. Now, scientists have shown that the insects can al

发表于:2019-01-11 / 阅读(42) / 评论(0)

VOA慢速英语2008年（四）月

VOA慢速英语2015 沙门氏菌已转化为杀死癌细胞的超级战士

Salmonella Turned Into Cancer Killing Super Bug 沙门氏菌已转化为杀死癌细胞的超级战士 From VOA Learning English, this is the Health and Lifestyle Report. Not many people consider a bacterium that makes millions of people sick a frien

发表于:2019-01-12 / 阅读(38) / 评论(0)

2015年VOA慢速英语(五)月

11 countries to compete in Cuban wrestling event

HAVANA, Feb. 6 (Xinhua) -- Eleven countries have confirmed to compete in the Granma-Cerro Pelado wrestling tournament, organizers said on Wednesday. The organizers said 56 wrestlers from Poland, Dominican Republic, Argentina, Canada, the United State

发表于:2019-01-31 / 阅读(189) / 评论(0)

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