According to the author,what may be the possible carriers of bird flu? [br] By s

游客2024-06-13  11

问题 According to the author,what may be the possible carriers of bird flu? [br] By saying "bird flu viruses appear to exist in ducks in a low-pathogenic form" (Para. 6), the author suggests that infection ______.

选项

答案 doesn’t usually lead to severe illness and death

解析 定位到第六段可知,作者提到bird flu viruses appear to exist in ducks in a low-pathogenic form是想表明,传染通常不会导致严重的疾病和死亡。
转载请注明原文地址:https://tihaiku.com/zcyy/3632222.html
最新回复(0)