An aspirated [ph], an unaspirated [p] and an unreleased [p-] are __________ of the /p/ phoneme.
A. analogues
B. tagmemes
C. morphemes
D. allophones
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When pure vowels or monophthongs are pronounced, no vowel glides take place.
A. 对
B. 错
Auditoryphonetics is concerned with the perception of speech sounds.
A. 对
B. 错
在C语言中,为了结束由do-while语句构成的循环,while后一对圆括号中表达式的值应该是0
A. 对
B. 错
颜色的心里三属性指的是()。
A. 色相
B. 饱和度
C. 主波长
D. 明度