In calculating the daily calorie requirements for an individual, variations in body size, physical activity, and age should be taken into account.
A、numberedD
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HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?
Formulatedin1823,theMonroeDoctrineassertedthattheAmericaswerenolongeropentoEuropeancolonization.
Insectpestsareamongtheleadingcausesofcropfailure.
Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.
DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.
