это фонетика по английскому. To find out the articulatory distinctions between the pairs of long and short vowels /i: I, u:-υ, α:-Λ, o:-o, i:-υ/.
Study the classification of English consonants: To describe the articulatory characteristics on the sounds/r, m, n, w, h, l, j/;
To find out the articulatory distinctions between the following pairs of consonants /p-b, t-d, k-g, f-v, s-z/,/g~h/.