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托福词汇

2012托福词汇精选

出国留学网小编为您整理的2012年托福考试词汇精选单词题。 01. The Earth comprises three principal layers: the dense, iron-rich core, the mantle made of silicate rocks that are semimolten at depth, and the thin, solid-surface crust. The word "comprises" is closest in meaning...

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