AnewU．S．governmentreportsaysmorethantwomillionAmericans...
問題詳情：AnewU．S．governmentreportsaysmorethantwomillionAmericansfallilleachyearwithdrug—resistantbacterialinfections(感染)，and23，000ofthemaredyingasaresult．TheheadoftheUnitedStatesCentersforDiseaseControla...