Today our knowledge of food and what it dose for our bodies is more advanced than that in the past为什么要用is,而不是are?不是两个并列成分吗?

问题描述:

Today our knowledge of food and what it dose for our bodies is more advanced than that in the past
为什么要用is,而不是are?不是两个并列成分吗?

现在,我们对于食物以及食物如何影响身体的知识比起过去全面多了

并列 结构 在 of 后 共同修饰 knowledge,- knowledge 是主语