Ngữ âm - âm học vị

1. _____ means the omission of one sound in a certain circumstance.

2. Strong syllables are characterised usually louder, higher and _____ than weak ones.

3. The suffixes "-ity", "-ial" or "-ics" usually _____ the primary stress in the word.

4. English language has _____ rhythm in which stressed syllables tend to occur at relatively regular intervals of time.

5. 5. _____ are sounds produced when two lips come close together.

6. Generally, _____ do not affect stress placement in words like a number of suffixes.

7. Accentual function of _____ helps to determine tonic syllable in the sentence.

8. A _____ contains a glide from one vowel to another and then to a third, all produced rapidly and without interruption.

9. In terms of the _____ of articulation, English consonants are classified into nine types.

10. Grammatical words are usually in the _____ forms in speech.