The fear of smallpox, which terrorized the eighteenth century, has no analogy(likeness) today.
A、occurrenceD
暫無解析
WhileBillieHolidaydidnotinventthemusiccalled"theblues",shemostassuredlyhelpedpopularizeit.
DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.
Solidgeometryhasenabledastronomerstocalculatethepositionsoftheheavenlybodiesrelativetooneanother.
ThefirstimportantexpositionintheUnitedStateswasheldinPhiladelphiain1876.
Insectpestsareamongtheleadingcausesofcropfailure.
