英语句子成分分析的问题Forexample,amuchhigherproportionofgirlsstudysciencewhentheyattendgirls'schoolsthangirlsinmixedschools.请问这句话成分有残缺吗?没有的话请问哪个是主语哪个是谓语呢?有的话

Question

英语句子成分分析的问题
For example,a much higher proportion of girls study science when they attend girls' schools than girls in mixed schools.请问这句话成分有残缺吗?没有的话请问哪个是主语哪个是谓语呢?有的话又应该补什么呢?

Answer 1

原句：
For example, 【a much higher proportion of
girls主】 【study谓】【 science宾】【 to a high level 状】【when they attend girls’ schools时间状语从句】【 than their
counterparts主 in mixed schools定 do.比较状语从句】
你改的句：
For example, a much higher proportion of girls study science when they attend girls' schools than 【the】girls in mixed schools 【do】.这个do是不能省略的.