An aspirated [ph], an unaspirated [p] and an unreleased [p-] are __________ of the /p/ phoneme.
A. analogues
B. tagmemes
C. morphemes
D. allophones
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