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Will Russia change the clock to winter time this autumn? [br] [originaltext]Rus
Will Russia change the clock to winter time this autumn? [br] [originaltext]Rus
游客
2024-08-10
56
管理
问题
Will Russia change the clock to winter time this autumn? [br]
Russia has abolished the clock change to winter time. The measure was announced by President Medvedev who said the switch caused stress. From Moscow, here’ s Steve Rosenberg.
This autumn, clocks in the world’ s biggest country will not go back one hour. They’ll remain on summer time for the rest of the time. President Medvedev has decreed it. According to the president, switching back and forth between summer and winter time is causing Russians stress and illness.
The world’ s first genetically modified chickens that do not spread bird flu have been created by British scientists. Writing in the journal Science, the researchers say they’ve developed the birds with an artificial gene. The researchers say that in principle, the technique could be used to protect any farm animal from any viral disease. Professor Helen Sang of Edinburgh University says genetic modification is potentially a much better way of protecting against diseases than vaccination because it works even if the virus mutates.
选项
A、Genetic modification.
B、Vaccinations.
C、Special protection.
答案
A
解析
根据新闻首句The world’s first genetically modified chickens that do not spread bird flu…可知转基因的鸡对禽流感是免疫的,故选A。
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