問題詳情

61．What was a new use for wind power in the late l9th century?
(A)．Sailing a boat.
(B)．Producing electricity.
(C)．Grinding wheat into flour.
(D)．Pumping water from underground.

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)