most 和 mostly作副词有什么区别?

ost用在形容词或副词前面,等于very,起加强语气的作用.表示“很、十分、非常”
most前面不可有定冠词the.如：
This is a most useful book． 这是一本很有用的书.
It's most dangerous to play with fire． 火是很危险的.
mostly＝mainly“大部分”“主要地”“通常地”.如：
The students in our class are mostly from the factory．
我们班的学生主要来自这家工厂.
His stories were mostly about his travels in foreign countries．
他的故事大多是关于他在国外旅游的经历.

most adv.1.最，最为
[例句]
I like the last song most.
我最喜欢最后那支歌。
Of my school subjects,history is the one I like most(or the most).
学校里的课程，历史是我最喜欢的一门。