论述管理创新的内涵是什么？它与操作创新的区别是什么？
1. Which of the phonetic descriptions is correct for the “p”sound in “speak”?
A. a.voiceless alveolar plosive
B. b. un-aspirated voiceless bilabial stop
C. c. Voiceless velar plosive
D. d. aspirated voiceless bilabial stop
The phonetic symbol for the ‘voiced, labiodental, fricative’ is______.
A. /v/
B. /d/
C. /f/
D. /m/
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