题目内容
Free morpheme may constitute words by themselves.(大连外国语学院2008研）
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Root also falls into two categories:free and bound.(北二外2006研）
A stem is the base form of a word which cannot be further analyzed without total loss of identity.（对外经贸2006研）
The words “boys” and “raise” have a common phoneme and a common morpheme as well.(北二外2008研）
Radar is an example of acronym.(北二外2012)
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