题目内容

The study of the way speech sounds are made by the vocal organs belongs to ______.

A. auditory phonetics
B. acoustic phonetics
C. articulatory phonetics
D. experimental phonetics

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All of the following pairs of sounds except ______ are distinguished from each other by the feature "+voiced".

A. /p/ and /b/
B. /t/ and /d/
C. /k/ and /g/
D. /m/ and /n/

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