考研英语长难句:一句句突破长难句_03

长难句:For example, it has long been known that total sleep deprivation is 100 percent fatal to rats, yet, upon examination of the dead bodies, the animals look completely normal.
结构剖析:本句由表示转折关系的连词 yet 分为两个部分:第一部分的主干是 it has long been known that... , 其中it 是形式主语 , that 引导的主语从句作真正的主语;第二部分的主干是 the animals look completely normal , 前面的 upon examination of the dead bodies作状语 。
【考研英语长难句:一句句突破长难句_03】核心词汇:deprivation 剥夺 fatal 致命的

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