10. Words like “watt”,“volt”,“ohm”are not the examples of words changing from proper nouns to common nouns.( )
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9. Widening of meaning refers to the extension of the range of the lexical meaning. It is the most common features of the history of English words.( )
8. Words usually involved in conversation are nouns, verbs and adverbs. ( )
7. Neologisms are newly coined word or words that are given new meaning to fit new situation because of social, economic, political, cultural, scientific and technical changes in human society.( )
6.Words like“sexism”, “women’s Lib”, “chairperson”are not the results of women’s liberation movement in 1960s.( )