A(n)______ is a unit that is of distinctive value. It is an abstract unit, a collection of distinctive phonetic features.

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问题 A(n)______ is a unit that is of distinctive value. It is an abstract unit, a collection of distinctive phonetic features.

选项 A、phone
B、sound
C、allophone
D、phoneme

答案D

解析 音位具有区别两个词的作用。音位是一个抽象的单元,不是指某个特定的语音,而是由一个特定的语境中特定的语音来实现或表征的。
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