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New words may be formed form. existing words by suntracting an affix thought to be part of the old word; that is, ignorance sometimes can be creative. Thus peddle wasderived from peddler on the mistaken assumption that the er was the agentive suffix.()
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Morphology refers to the study of the internal structure of words, and the rules by which words are formed.()
Only words of the same parts of speech can be combined to form. compounds.()
The part of speech of the compound is always determined by the part of speech of the
有活跃吞噬功能的神经胶质细胞是
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