[医] 科隆沙门氏菌

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

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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

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Scientific American(九)月

Koln and the Rhine River 科隆古城

Goods flowed down this riverway from France and Switzerland on their way to the sea for transshipment all over Europe. Nobles along the way collected tolls, but big profits could still be made by whol

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美联社一分钟新闻 2008-07-06

1. Protesters take to the streets in Japan ahead of the G8 summit of the world's leading industrialized nations. More than 1,000 people gathered in a park, demanding action on global warming and poverty. Four were arrested. 2. Hundreds of National G

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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

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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(36) / 评论(0)

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address incomplete signal

ague drop

alignment-telescope bracket