题目内容
"White elephant" is an idiom ______ in nature.
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______ is the process of forming new words by joining the initial letters of names of social and political organizations or special noun phrases and technical terms.
社会历史观的基本问题是______的关系问题。
Observation shows that it is much more common for word meanings to change in denotation from ______ to pejorative than it is for them to go the other way.
Words of language can be classified into semantically related sets or ______.
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