如图所示,从电动自行车的结构和使用来看,下列解释正确的是(

如图所示,从电动自行车的结构和使用来看,下列解释正确的是(  )

A.电动自行车的车架应用弹性好的钢铁制成的

B.轮胎上做有凹凸不平的花纹是为了增大摩擦

C.车尾的角反射器应用了光的折射知识

D.电动自行车在正常行驶过程中是将机械能转化为电能

答案

B

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