题目内容：
The outbreak of swine flu that was first deteccted in Mexico was declared a global epidemic on june 11,2009. It is the first wotldwide cpidemic__1__by the World Health Organization in41years.The heightened alert __2__an emergency meeting with flu experts in Geneva that assembled after a sharp pise in cases in Australia.and rising __3__in Britain ,japan,Chile and elsewhere.
Bur the epiemic is “__4__”in severity. According to Margaret Chan. The organization’s director general,__5__the overwhelming majorty of patients experiencing only mild symptoms and full recovery. Often in the__6__of any medical treatment.
The ourbreak came to gobal__7__in lafe April2009.when Mexican authorities noted an unusually latge number of hospitalizations and deaths__8__ healthy adults. As much ofMexico City Shut down at the height of a panic,cases began to__9__in New York City.the southwestem United States and atound the world.
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