InMarchlastyear的精选

问题详情：阅读理解；阅读下列短文，从每题所给的四个选项（A、B、C和D)中选出最佳选项。InMarchlastyear,theH7N9virus(病毒)hitShanghai,Anhui,Jiangsu,Zhejiangandsoon.Itseemedthatmostpeoplewhowereinfected(被感染)with...