Choose THREE letters, A-E The invention of different gears on a bicycle affected which THREE of the following? A Wheel size B Ba

admin2015-08-06  34

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

选项

答案C

解析 C D F对于多选题,要注意辨别选项是否有干扰。本题干扰信息不多,可以通过录音直观选出答案CDF。
转载请注明原文地址:https://kaotiyun.com/show/EpAO777K
0

最新回复(0)