WhileBillieHolidaydidnotinventthemusiccalled"theblues",shemostassuredlyhelpedpopularizeit.
ThefirstimportantexpositionintheUnitedStateswasheldinPhiladelphiain1876.
ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.
Formerly,intheUnitedStates,manynursesworkedasprivatedutynursesratherthaninhospitals.
Inliterature,caricatures讽刺画usuallycontainverbalexaggerationthroughwhichthewriterachievescomicandoftensatiric讽刺effects.
Themegaphone(microphone)makesthevoicesoundlouderbecauseitpointssoundwavesinonedirectionandkeepsthemfromspreadingoutinalldirections.