A、/ɜ:/, /ɔ:/, /ʊ/
B、/e/, /ʊ/, /i:/
C、/ə/, /ʌ/, /ʊ/
D、/ɜ:/, /e/, /ɔ:/
A、/ɜ:/, /ɔ:/, /ʊ/
B、/e/, /ʊ/, /i:/
C、/ə/, /ʌ/, /ʊ/
D、/ɜ:/, /e/, /ɔ:/
A、/e/ is a front and high vowel.
B、/e/ is a front and low vowel.
C、/e/ is a front and mid vowel.
D、/e/ is a centraland mid vowel.
A、In terms of voicing.
B、In terms of which part of the tongue is raised.
C、In terms of how high the tongue is raised.
D、In terms of whether the vowels is tense or lax.
A、manner of articulation
B、place of articulation
C、voicing
D、length
A、dialect
B、fool
C、speech
D、split
A、Vowels are produced without significant constriction of the air flowing through the mouth.
B、There are 28 vowel sounds in English.
C、Vowels refer to the sounds in spoken language that are made with no obstruction of air flow in the mouth.
D、All vowels are voiced.
A、/ɜ:/, /ɪ/, /e/
B、/ɪ/, /ʌ/, /ʊ/
C、/u:/, /i:/ /ɜ:/
D、/e/, /æ/, /ʌ/
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