Choose THREE letters, A-EThe invention of different gears on a bicycle affected

游客2024-01-06  26

问题 Choose THREE letters, A-E
The invention of different gears on a bicycle affected which THREE of the following?
A Wheel size
B Balance
C Rate of speed
D The back wheel
E Safety
F Downhill travel [br]

选项

答案 D

解析
转载请注明原文地址:https://tihaiku.com/zcyy/3339274.html
最新回复(0)