世界因皒而精彩职称英语卫生类C级试题
Influenza(C级)
Influenza has been with us a long time. Aording to some Greek writers on medical history, the __1__ of 412 B.C. was of influenza. The same has been suggested of the sickness that swept through the Greek army __2__Syracuse in 395 B.C. Flu is a disease that moves most quickly among people
__3__in crowded conditions, hen ___, it is likely to attack armies.
During the nieenth ___ntury there were five widespread
__4__of influenza.The last of the five happened in 18 ___ and ___rked the __5___ of the story of influenza in our time. Like the re ___nt outbreak, __6__started in Asia.
For more than forty years before that outbreak, influenza had steadily __7__and was believed to be dying out. A new group of outbreaks was introdu ___d by the great outbreak of 18 ___- ___0 and for the next quarter of a ___ntury flu __8__a constant threat.
