Onetheory,

問題詳情：

One theory, ________ suggested by Harvard University, is that humans began cooking their food, thereby releasing nutrients locked in the raw food and reducing the time needed to chew it.

【回答】

as　句意：正如哈佛大學所研究的一樣，一項理論表明，人類開始通過烹飪食物來釋放生食物內部的營養成分，以此減少咀嚼所需的時間。as在此引導非限制*定語從句，有“正如”之意，指代整個主句的內容。

知識點：定語從句

題型：閲讀填空