as后面的从句省略主语了吗？

问题描述

The problem with electric cars is that they have typically been limited to a range of tens of miles as opposed to the hundreds of miles that can be driven on a tank of gas．本句中as是什么词性？请老师帮忙划分一下句子成分吧？谢谢

老师答疑

陈老师：

The problem with electric cars is that they have typically been limited to a range of tens of miles as opposed to the hundreds of miles that can be driven on a tank of gas．本句中as是什么词性？请老师帮忙划分一下句子成分吧？谢谢

as opposed to 为短语做状语，与...相对/相反