1. For what consonants is the friction the strongest?
2. Dwell on the position of the tongue for /s/ and /S/.
3. Compare the pronunciation of the vowels /A/ and /R/.
4. What is friction?
5. Give examples of words where /Z/ occurs at the beginning of words.
6. What is the difference in the pronunciation of the sounds /I/ and /J/.
7. For what consonants is the friction the weakest?
8. Why do we call this group of consonants friction consonants?