金沙国际唯一指定官网

So far so good

作者:戚搜镧    发布时间:2019-03-07 06:16:03    

By Andy Coghlan ONE of the most convincing arguments levelled against genetically modified crops is that the various genes in them that confer resistance to antibiotics will spread into the environment, eventually making life-threatening bacteria resistant to those drugs. But such doomsday scenarios look less convincing this week,

 

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