单词：salmonella test system
单词：salmonella test system 相关文章
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
CNN2010年(八)月
1. FDA officials say they've found positive samples of salmonella that link two Iowa farms to a massive egg recall. The officials say investigators found salmonella in chicken feed that was sold to both farms at the center of the recall. 2. New York'
美联社新闻一分钟2010(八月)
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
Scientific American(九)月
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
美联社新闻一分钟2008年(七)月
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
VOA慢速英语2008年（四）月
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
2015年VOA慢速英语(五)月