This,for those as yet unware of such a disadvantage,refers to discrimination against those whose surnames begin with a l
问题描述：
This,for those as yet unware of such a disadvantage,refers to discrimination against those whose surnames begin with a letter in the lower half of the alphabet
这个长难句的主干书上说是This refers to discrimination against those +定从,请问这个主干的结构是什么?谓语是refers to,还是against?
答
1.for those as yet unware of such a disadvantage 是插入语2.This 是主语,refers to是谓语3.those whose surnames begin with a letter in the lower half of the alphabet 是定语从句those 是先行词,whose 是关系...