Trợ lý học tập AI - Câu trả lời này chỉ mang tính tham khảo
It seems like you provided an outline of the content covered in an English language course. If you have specific questions related to these topics, I'd be happy to help.
To identify the word with a different sound in the underlined part, let's analyze the phonetics of the provided words.
1. A. **exactly** (ɪgˈzæktli) - /æ/ sound
B. **exist** (ɪgˈzɪst) - /ɪ/ sound
C. **exhaust** (ɪgˈzɔst) - /ɔ/ sound
D. **xxinet** (xxinet) - unknown sound
**Different sound:** C (exhaust) has the /ɔ/ sound.
2. A. **change** (ʧeɪnʤ) - /eɪ/ sound
B. **poaching** (ˈpoʊʧɪŋ) - /oʊ/ sound
C. **chemical** (ˈkɛmɪkəl) - /ɛ/ sound
D. **achievement** (əˈʧivmənt) - /ɪ/ sound
**Different sound:** C (chemical) has the /ɛ/ sound.
3. A. **survive** (sərˈvaɪv) - /aɪ/ sound
B. **prohibit** (proʊˈhɪbət) - /oʊ/ sound
C. **fertilizer** (ˈfərtəlaɪzər) - /aɪ/ sound
D. **environment** (ɪnˈvaɪrənmənt) - /aɪ/ sound
**Different sound:** B (prohibit) has the /oʊ/ sound.
4. A. **chemist** (ˈkɛmɪst) - /ɛ/ sound
B. **change** (ʧeɪnʤ) - /eɪ/ sound
C. **child** (ʧaɪld) - /aɪ/ sound
D. **cheap** (ʧip) - /i/ sound
**Different sound:** D (cheap) has the /i/ sound.
5. A. **current** (ˈkɑrənt) - /ɑ/ sound
B. **sustainable** (səˈsteɪnəbəl) - /eɪ/ sound
C. **infrastructure** (ɪnfrəˈstrəkʧər) - /ʌ/ sound
D. **rubbish** (ˈrəbɪʃ) - /ʌ/ sound
**Different sound:** B (sustainable) has the /eɪ/ sound.
6. A. **climate** (ˈklaɪmɪt) - /aɪ/ sound
B. **liveable** (liveable) - /ɪ/ sound
C. **city** (ˈsɪti) - /ɪ/ sound
D. **discussion** (dɪˈskəʃən) - /ɪ/ sound
**Different sound:** A (climate) has the /aɪ/ sound.
7. A. **solar** (ˈsoʊlər) - /oʊ/ sound
B. **infrastructure** (ɪnfrəˈstrəkʧər) - /ə/ sound
C. **designer** (dɪˈzaɪnər) - /aɪ/ sound
D. **focus** (ˈfoʊkɪs) - /oʊ/ sound
**Different sound:** B (infrastructure) has the /ə/ sound.
8. A. **urban** (ˈərbən) - /ər/ sound
B. **sustainable** (səˈsteɪnəbəl) - /eɪ/ sound
C. **infrastructure** (ɪnfrəˈstrəkʧər) - /ɪ/ sound
D. **inhabitant** (ɪnˈhæbɪtənt) - /æ/ sound
**Different sound:** B (sustainable) has the /eɪ/ sound.
9. A. **teedia** (teedia) - unknown sound
B. **recipe** (ˈrɛsəpi) - /ɛ/ sound
C. **regular** (ˈrɛgjələr) - /ɛ/ sound
D. **generation** (ʤɛnərˈeɪʃən) - /ɛ/ sound
**Different sound:** A (teedia) is unknown, so it is considered different.
10. A. **suffer** (ˈsəfər) - /ə/ sound
B. **culture** (ˈkəlʧər) - /ʌ/ sound
C. **influence** (ˈɪnfluəns) - /ɪ/ sound
D. **mum** (məm) - /ə/ sound
**Different sound:** B (culture) has the /ʌ/ sound.
11. A. **available** (əˈveɪləbəl) - /eɪ/ sound
B. **radiation** (reɪdiˈeɪʃən) - /eɪ/ sound
C. **geography** (ʤiˈɑgrəfi) - /i/ sound
D. **inhabitant** (ɪnˈhæbɪtənt) - /æ/ sound
**Different sound:** C (geography) has the /i/ sound.
12. A. **organism** (ˈɔrgənɪzəm) - /ɔ/ sound
B. **energy** (ˈɛnərʤi) - /ɛ/ sound
C. **gap** (gæp) - /æ/ sound
D. **ingredient** (ɪnˈgridiənt) - /ɪ/ sound
**Different sound:** A (organism) has the /ɔ/ sound.
13. A. **network** (ˈnɛtwərk) - /ɛ/ sound
B. **dweller** (dˈwɛlər) - /ɛ/ sound
C. **waste** (weɪst) - /eɪ/ sound
D. **overcrowded** (ˈoʊvərkraʊdɪd) - /oʊ/ sound
**Different sound:** C (waste) has the /eɪ/ sound.
14. A. **organ** (ˈɔrgən) - /ɔ/ sound
B. **parent** (ˈpɛrənt) - /ɛ/ sound
C. **promote** (prəˈmoʊt) - /oʊ/ sound
D. **transport** (ˈtrænspɔrt) - /æ/ sound
**Different sound:** A (organ) has the /ɔ/ sound.
15. A. **family** (ˈfæməli) - /æ/ sound
B. **reaction** (riˈækʃən) - /æ/ sound
C. **opinion** (əˈpɪnjən) - /ɪ/ sound
D. **essential** (ɛˈsɛnʃəl) - /ɛ/ sound
**Different sound:** C (opinion) has the /ɪ/ sound.
16. A. **benefit** (ˈbɛnəfɪt) - /ɛ/ sound
B. **exercise** (ˈɛksərsaɪz) - /ɛ/ sound
C. **honesty** (ˈɑnəsti) - /ɑ/ sound
D. **understand** (əndərˈstænd) - /æ/ sound
**Different sound:** C (honesty) has the /ɑ/ sound.
17. A. **familiar** (fəˈmɪljər) - /ə/ sound
B. **generate** (ˈʤɛnəreɪt) - /ɛ/ sound
C. **pollutant** (pəˈlutənt) - /ə/ sound
D. **assignment** (əˈsaɪnmənt) - /aɪ/ sound
**Different sound:** D (assignment) has the /aɪ/ sound.
18. A. **renewable** (riˈnuəbəl) - /u/ sound
B. **sustainable** (səˈsteɪnəbəl) - /eɪ/ sound
C. **environment** (ɪnˈvaɪrənmənt) - /aɪ/ sound
D. **infrastructure** (ɪnfrəˈstrəkʧər) - /ə/ sound
**Different sound:** C (environment) has the /aɪ/ sound.
19. A. **dweller** (dˈwɛlər) - /ɛ/ sound
B. **overcrowded** (ˈoʊvərkraʊdɪd) - /oʊ/ sound
C. **network** (ˈnɛtwərk) - /ɛ/ sound
D. **waste** (weɪst) - /eɪ/ sound
**Different sound:** D (waste) has the /eɪ/ sound.
### Summary of Answers
1. C
2. C
3. B
4. D
5. B
6. A
7. B
8. B
9. A
10. B
11. C
12. A
13. C
14. A
15. C
16. C
17. D
18. C
19. D
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