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题干：TheoutbreakofswinefluthatwasfirstdetectedinMexicowasdeclaredaglobalepidemiconJune11,2009.Itisthefirstworldwideepidemic（1）bytheWorldHealthOrganizationin41years.Theheightenedalert（2）anemergencymeetingwithfluexpertsinGenevathatassembledafterasharpriseincasesinAustralia,andrising（3）inBritain,Japan,Chileandelsewhere.Buttheepidemicis“（4）”inseverity,accordingtoMargaretChan,theorganization’sdirectorgeneral,（5）theoverwhelmingmajorityofpatientsexperiencingonlymildsymptomsandafullrecovery,ofteninthe（6）ofanymedicaltreatment.Theoutbreakcametoglobal（7）inlateApril2009,whenMexicanauthoritiesnotedanunusuallylargenumberofhospitalizationsanddeaths（8）healthyadults.AsmuchofMexicoCityshutdownattheheightofapanic,casesbeganto（9）inNewYorkCity,thesouthwesternUnitedStatesandaroundtheworld.IntheUnitedStates,newcasesseemedtofade（10）warmerweatherarrived.ButinlateSeptember2009,officialsreportedtherewas（11）fluactivityinalmosteverystateandthatvirtuallyallthe（12）testedarethenewswineflu,alsoknownas(A)H1N1,notseasonalflu.IntheU.S.,ithas（13）morethanonemillionpeople,andcausedmorethan600deathsandmorethan6,000hospitalizations.Federalhealthofficials（14）Tamifluforchildrenfromthenationalstockpileandbegan（15）ordersfromthestatesforthenewswinefluvaccine.Thenewvaccine,whichisdifferentfromtheannualfluvaccine,is（16）aheadofexpectations.MorethanthreemilliondosesweretobemadeavailableinearlyOctober2009,thoughmostofthose（17）doseswereoftheFluMistnasalspraytype,whichisnot（18）forpregnantwomen,peopleover50orthosewithbreathingdifficulties,heartdiseaseorseveralother（19）.Butitwasstillpossibletovaccinatepeopleinotherhigh-riskgroups:healthcareworkers,people（20）infantsandhealthyyoungpeople.
题目：（8）
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