would you like some:some既可以指可数名词的复数,也可以指代不可数名词,
would you like one,中的one只能指代可数名词的单数形式
如：These books are very cheap ,would you like some （books）?
I have made some fried chicken ,would you like some （chicken）
I have got two cups of cola,would you like one （cup）?