Trợ lý học tập AI - Câu trả lời này chỉ mang tính tham khảo
To find the word with a different pronunciation in each group, let's analyze the underlined parts.
1. A. united: juˈnaɪtɪd (u is pronounced as /juː/)
B. union: ˈjunjən (u is pronounced as /juː/)
C. unimportant: ənɪmˈpɔrtənt (u is pronounced as /ʌ/)
D. usually: ˈjuʒəwəli (u is pronounced as /juː/)
In this group, the word "unimportant" is the one whose underlined part is pronounced differently (ən vs juː). So, the correct answer is C.
2. A. youth: juθ (y is pronounced as /juː/)
B. beyond: bɪɔnd (y is pronounced as /ɪ/)
C. yoyo: ˈjoʊjoʊ (y is pronounced as /joʊ/)
D. flyer: flaɪər (y is pronounced as /aɪ/)
In this group, all options have different pronunciations, but "beyond" has the most distinct difference (the others all start with a /j/ sound or a similar vowel sound, while "beyond" has a more distinct /ɪ/ sound). However, a closer look shows that the rest all have the "y" pronounced as a similar vowel sound, so we could argue that "beyond" has the "y" pronounced differently than the rest in that "beyond" has the "y" pronounced more like an "i".
3.
Analyze:
'historic' stressed at second syllable
'ambitious' stressed at second syllable
'domestic' stressed at second syllable
'mountainous' stressed at first syllable
Therefore, 'mountainous' has a different stress position to other words.
Answer: D. mountainous
4.
Analyze:
'anxiety' stressed at second syllable
'assignment' stressed at second syllable
'distraction' stressed at second syllable
'counsellor' stressed at first syllable
Therefore, 'counsellor' has a different stress position to other words.
Answer: D. counsellor
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