The Minimal Pairs Test that can be used to find out which sound substitutions cause differences in meaning do not work well for all languages.
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Of the three cavities, pharynx carvity is the most variable and active in amplifying and modifying speech sounds.
A. 对
B. 错
In the sound writing system, the reference of the grapheme is a phoneme.
A. 对
B. 错
A phoneme in one language or one dialect may be an allophone in another language or dialect.
A. 对
B. 错
Broad transcription is intended to symbolize all the possible speech sounds, including minute shades
A. 对
B. 错