Besides [s],[z],otherfour sibilants are _________, ________,_ ________, ________.
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In English and Chinese, vowels with an audiblechange of quality are called ________.
[z, ʃ, ʒ，h]are __________ in terms of manners of articulation.
The_______, mouth, and __________ from the three cavities of the vocal tract.
All syllables contain a _________.
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