The English vocabulary can be classified by different criteria a

The English vocabulary can be classified by different criteria and for different purposes. Words may fall into the content words and functional words by ______
A、origin
B、notion
C、use frequency
D、symbolic meaning
【正确答案】:B
【题目解析】:Words may fall into the basic word stock and nonbasic vocabulary by use frequency,into content words and functional words by notion, and into native words and borrowed words by origin.(词汇按使用频率可分为基本词库和非基本词汇,按概念可分为内容词和虚词,按来源可分为本族词和外来词。)P10-11