While Billie Holiday did not invent the music called "the blues", she most assuredly helped popularize it.
A、finallyB
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Formulatedin1823,theMonroeDoctrineassertedthattheAmericaswerenolongeropentoEuropeancolonization.
Withtheacquisitionofsmallercompaniesbylargerones,the1960'ssawawaveofnewconglomerates.
Solid geometry has enabled astronomers to calculate the positions of the heavenly bodies relative to one another.
Someseaurchins海胆havevenomous(toxin)spines
Someanimalspantandsweattospeedevaporationofbodymoistureandthuscoolthemselves.