________ are a set of vowel qualities artificially defined, fixed and unchanging, intended to provide a frame of reference for the description of the actual vowels of existing languages.
A. Diphthongs
B. Pure Vowels
Cardinal Vowels
D. Vowel Glides
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The word _____ simply refers to " a unit of explicit sound contrast": the existence of a minmal pair automatically grants phonemic status to the sounds responsible for the contrasts.
A. allophone
B. phoneme
C. sound
D. syllable
Which of the following is the correct description of the English consonant [z]?
A. voiceless alveolar affricate
B. voiceless bilabial nasal
C. voiced alveolar stop
D. voiced alveolar fricative
Otto Yesperson , Daniel Jones and their colleagues made great contributions to language teaching by developing and perfecting IPA which is extensively used in dictionaries and textbooks.
A. 对
B. 错
Phonetics is different from phonology in that the latter studies the combination of the sounds to convey meaning in communication.
A. 对
B. 错