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According to the author,what may be the possible carriers of bird flu? [br] The
According to the author,what may be the possible carriers of bird flu? [br] The
游客
2024-06-13
2
管理
问题
According to the author,what may be the possible carriers of bird flu? [br] The main sources of influenza viruses in lake water are ______, which may stay infectious for up to 30 days.
选项
答案
bird feces
解析
根据题干中的关键词lake water和30 days定位到第四段,可知研究表明,湖水中的流感病毒一般是通过鸟粪传播的,这些病毒的传染性可长达30天。
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