【简答题】阅读下面的 文章 ,选择正确的答案。(每小题 2.5 分,共 12.5 分) C This March(2013) , the H7N9 virus hit Shanghai, Anhui, Jiangsu, Zhejiang and so on. It seemed that most people who were infected with H7N9 had the common flu. ...
【简答题】Seven years ago ,the H7N9 virus ( 病毒 ) hit Shanghai, Anhui, Jiangsu, Zhejiang and so on. It seemed that most people who were infected( 被感染 ) with H7N9 had the common flu. Some people suffered from a f...