completely和thoroughly “完全地”“彻底地”有什么分别?

题目

completely和thoroughly “完全地”“彻底地”有什么分别?
The lecture was __about geography,but it did cover some historic events as well.
A.completely B.thoroughly C.clearly D.mainly
（重在解释）

答案

completely的意思是完整的,强调整体性
thoroughly的意思不仅仅指完整,主要意思是详尽的,准确的.强调内容性
比如你在做一个演讲的时候.你把重点都讲到了,就可以用complete.
如果你把每一个重点都表述的很详细,讲解的很正确,就可以说是thorough.