問題詳情

36. Why does the author mention the city to Philadelphia in line9?
(A) It was the site of the first post office in the United States
(B) Its postal service was inadequate for its population
(C) It was the largest city in the United States in 1847
(D) It was commemorated by the first United States postage stamp

參考答案

答案:B
難度:非常簡單1
統計:A(0),B(3),C(0),D(0),E(0)

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