The first trials of H1N1 vaccine on people expected to start inA．Austria.B．the US.C．FDAD．A

According to the regulation of the voyage trial on new ship, ____ is one of the trial item

Which of the following are NOT the first people to receive the swine flu vaccinations？A．Ba

Which of the following is NOT mentioned in the news item？A．The new flu vaccine, the FDA ha

Despite the development of a vaccine（疫苗), measles（麻疹)______ still a serious danger to

共用题干第三篇On the Trial of the Honey Badger

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