問題詳情

35. Why does the author mention the California gold rush?
(A) To explain the need for an increased supply of gold
(B) To indicate the extent of United States mineral wealth
(C) To describe the mood when oil was first discovered
(D) To argue that gold was more valuable than oil

參考答案

答案:B
難度:簡單0.714286
統計:A(1),B(5),C(1),D(0),E(0)

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