Incalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.

InthenortheasternUnitedStates,itrainsintermittently间歇地throughoutthespring.

AlthoughtheCarbon14methodofdatingoldobjectsisnotfoolproof,itisthebestmethodavailableatpresent

Alligatorsstillexistinsomeofthedank潮湿swampsandbayous小海湾ofAlabama'scoastalregions.

Formerly,intheUnitedStates,manynursesworkedasprivatedutynursesratherthaninhospitals.