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.
詳解 (共 2 筆)
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a) it was't equipped...
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38.下列關於跑步機的描述中，正確的是？...
私人筆記 (共 1 筆)
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題目翻譯及解析： 以下哪項關於跑步機的描...
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