consist of与 be made of/from 有什么区别

问题描述:

consist of与 be made of/from 有什么区别
be made of 是可以看得出原料的,是物理变化.例如
而be made from.是不可以看出原料的,是化学变化.例如

consist of 由...组成的.相当于be made up of .后面是加组成的成分.例如:This necklace consists of gold and diamond.注意,consist 本身是一个不及物动词,不能采用被动语态.be made of/from...都是表示由.制成的.但...