問題詳情

38. Which of the following descriptions is true about the running machine?
(A) It was equipped with cranks and pedals.
(B) Its wheels and frame were made of iron.
(C) It had a brake to control the speed of its movement.
(D) Its steering was similar to the handlebar of a modern bike.

參考答案

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

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