第22题: [单项选择]Which of the following statements are not correct______
A. A phoneme is the smallest unit of sound. B. A grapheme is the smallest unit of writing. C. A sememe is the smallest unit of meaning. D. A morpheme is the smallest unit of a word. 参考答案:D 答案解析:[解析] The morpheme is the smallest functioning unit in the composition of words. 词素是构词中最小的功能单位。答案为D。