题目内容

Which of the following is a voiceless bilabial stop？

A. [b]
B. [p]
C. [k]
D. [g]

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对中国成人来说，以下哪一项为正常体重指数？

A. BMI= 6.7
BMI=18.4
C. BMI=29
D. BMI=24.5
E. BMI=22.3

Which of the following is NOT a bilabial？

A. [b]
B. [p]
C. [f]
D. [m]

Which of the following is NOT a fricative in English？

A. [f]
B. [z]
C. [p]
D. [v]

If two sounds in a language make a contrast between two different words, such as[t]in tie

A. phones
B. allophones
C. phonemes
D. consonants