Test 3. 1 From the acoustic point of view vowels are called the sounds of … voice, they have high acoustic energy 2 Vowels have no … place of obstruction 3 Sounds whose phonetic content is predominantly made up by the sound waves produced by their voicing are called … Sonorants 5 A monophthong, long, tense, unrounded, central / mixed, mid vowel phoneme of the narrow variety /ɜː/ 6 A monophthong, long, tense, unrounded, back, low / open vowel phoneme of the wide variety /ɑː/ 7 A monophthong, short, lax, rounded, back advanced, low / open vowel phoneme of the wide variety /ɒ/ 8 A monophthong, long, tense, unrounded, front, high / close vowel phoneme of the narrow variety /i:/ 10 A monophthong, short, lax, rounded, back, low / open vowel phoneme of the wide variety /ɒ/ 11 A monophthong, short, lax, unrounded, central / mixed, mid vowel phoneme of the wide variety /ə/ 12 A monophthong, short, lax, unrounded, front, mid / half-open vowel phoneme of the narrow variety /e/ 13 Change of consonant or vowel quality, loss of consonants or vowels, and even loss of entire syllables in connected speech are called … coarticulatory/adjustment phenomena 14 The process under which a diphthong optionally loses its second element before another vowel, or it is monophthongized, is called … Smoothing 15 Vowels are subdivided into … monophthongs diphthongs, diphthongoids 16 The position of the tongue in the mouth cavity is characterized from two aspects: the horizontal and vertical movement. 17 Traditionally three lip positions are distinguished: … spread, neutral and rounded 18 What articulatory feature characterizes the state of the organs of speech at the moment of producing a vowel? in the articulation of V the air passes freely through the mouth cavity 19 In what positions does the shortening of a vowel length occur? unstressed positions, 20 What changes are vowels of full value subjected to in unstressed syllables?