問題詳情

【題組】40. In 1863 the United States government began providing which of the following to mail carriers?
(A) A salary
(B) Housing
(C) Transportation
(D) Free postage stamps

參考答案

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