be made up of 与 consist of 的用法有什么区别

be made up of 与 consist of 的用法区别在于文体适用性。
be made up of 与 consist of 是同义词组，语义表达没有区别，可以换用。但是，须注意的是在什么场合使用这两个表达方式。be made up of 多用于口语表达，consist of 则常见于书面表达。比较例句：
A compound sentence is made up of two or more independent clauses but no subordinate clauses. （老师课堂讲解）
A compound sentence consists of two or more independent clauses. （课本定义）

be made up of =consist of 由……组成
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.
但是be made of 是可以看得出原料的.例如
The desk is made of wood.
而be made from.是不可以看出原料的.例如
Paper is made from wood.

be made up of =consist of 由……组成
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.