谁知道下面英语阅读理解的答案?There has not been a world-wide outbreak of influenza since 1968.Expert say there should have been another by now.题；The best title of the passage is.A.The vaccines against bird flu B.Preparing for the next flu pandamic为什么？原文在哪？
2019-05-02
谁知道下面英语阅读理解的答案?
There has not been a world-wide outbreak of influenza since 1968.Expert say there should have been another by now.
题；The best title of the passage is_____.
A.The vaccines against bird flu B.Preparing for the next flu pandamic
为什么？
原文在哪？
优质解答
B 找不到,根据最后一句话啊,普通常识.
B 找不到,根据最后一句话啊,普通常识.