As one of the world's largest office buildings, it houses a daily working population of approximately 24,000 employees, both military and civilian. A. The Empire State Building B. The Pentagon C. The White House D. The Congress Building 43、 ___ is the world's second-largest country...
以前有几项研究表明，食用巧克力会增加食用者患心脏病的可能性。而一项最新的、更为可靠的研究得出的结论是，食用巧克力与心脏病发病率无关。估计这项研究成果公布以后，巧克力的消费量将会大大增加。 上述推论基于以下哪项假设( )。