PassageTwo
Questions26to30arebasedonthefollowingpassage.
①Thethreatofaglobaloutbreak(疾病大爆发)ofbirdflumakesiturgentfortheinternationalcommunitytocooperateeffectively.Wealthycountr ieswillhavetoprovidehundredsofmillionsofdollarsforthetestingandproductionofmedicinesnecessaryfortr eatingpatientssufferingfrombirdflu.Developingcountr ies,particularlyinSoutheastAsia,wherethebirdfluvirus(病毒)hasspreadsince1997,mustworkoutspecialprogramssothatfarmerswillnothidesignsofpossibleoutbreaks.Inaddition,thewaysuchfarmbirdsaschickensandducksaretr aditionallyraisedandmarketedinthedevelopingworldshouldbechanged;thereshouldbemoredistancebetweenthebirdsandtheirkeepers.Countr iesshoulddealwiththediseasewithjointeffort.Ifonecountr yisinadequatelyprepared,itwillbeathreattoeveryothercountr y.
②Thepotentialeffectsofanationaloutbreakofbirdfluareenormous.Firstly,anoutbreakmaykilllargenumbersofpeople.WorldHealthOrganization(WHO)estimatesthatanoutbreaksimilartothemildHongKongfluof1968couldkillasmanyas7.4millionspeople.Ifitwereasdangerousasthe1918Spanishflu,whichkilled50million,thenumberwouldbemuchhigher.Secondly,suchanoutbreakmaycausegreatfinancialdamage.Thelatestoutbreakofbirdflu,whichbeganinDecember2003,hascostSoutheastAsiamorethan$10billionanddepresseditsGDP(grossdomesticproduct)by1.5percent.Ifanewoutbreakofbirdfluweretolastforawholeyear,$800billionwouldbelost.
③Despitethe124humancasesand63deathsfrombirdflusinceDecember2003,thevirusremainsmainlyadiseaseofanimals.However,themoreanimalsthatd ieofthedisease,themorechancesithasofspreadingtopeople.Largenumbersofdeadordyingbirdsmeanthatmorepeoplewillbeexposedtothevirusandchangeintoaviruswithnewcharacteristics.Iftheinternationalcommunityworkstogetherefficiently,mancansurelypreventsuchavirusandpossiblysavemillionsoflives.
26.Facedwiththethreatofaglobaloutbreakofbirdflu,theinternationalcommunityshould________.
A.establishnewmarkets
B.worktogethereffectively
C.stopbirdsfromflyingtoothercountr ies
D.raisefewerchickensandducks
正确答案：B
