Which is the description of the consonant [ b ] ? A: voiceless bilabial stop B: voiced bilabial stop C: voiceless alveolar fricative D: voiced alveolar fricative

中国大学MOOC: The voiceless alveolar fricative in English is ________.

中国大学MOOC: The voiceless bilabial stop in English is _____________.

Which word has the voiceless consonant sound[ ʃ ]? A: he B: she

I have a set of knives and forks. A: useless B: stainless C: voiceless D: weightless

中国大学MOOC: Identify the consonant according to the phonetic features given: voiceless, fricative, top teeth/bottom lip.

Identify the consonant according to the phonetic features given: voiceless, fricative, top teeth/bottom lip. A: /v/ B: /θ/ C: /f/ D: /ð/

Among the following consonant clusters, which doesn’t have to change from a voiceless consonant into a voiced one in articulation? A: scream B: story C: please D: spider