北緯60°地表面上某一點，其運轉速率每小時約為若干公里？(A) 2580公里　(B) 1660公里　(C) 1280公里　(D) 830公里　(E) 650公里

問題詳情

北緯60°地表面上某一點，其運轉速率每小時約為若干公里？
(A) 2580公里　
(B) 1660公里　
(C) 1280公里　
(D) 830公里　
(E) 650公里

參考答案

答案：D
難度：適中0.4375
統計：A(6),B(11),C(9),D(42),E(10)

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