Here are the answers with the word that has the underlined part pronounced differently from the others:
1. A. about - B. affect - C. agree - D. any
Answer: D. any (The underlined part "any" is pronounced as ˈɛni, while the other options are pronounced with a schwa sound /ə/).
2. A. stranger - B. singer - C. term - D. energy
Answer: C. term (The underlined part "term" is pronounced as tərm, while the other options have a stress on the first syllable).
3. A. enter - B. serve - C. prefer - D. emerge
Answer: B. serve (The underlined part "serve" is pronounced as sərv, while the other options have a stress on the first syllable).
4. A. girl - B. first - C. fish - D. thirsty
Answer: C. fish (The underlined part "fish" is pronounced as fɪʃ, while the other options have a schwa sound /ə/ or a different vowel sound).
5. A. fur - B. fun - C. run - D. lucky
Answer: D. lucky (The underlined part "lucky" is pronounced as ˈləki, while the other options have a short vowel sound /ə/ or /ʊ/).
6. A. prefer - B. better - C. teacher - D. worker
Answer: A. prefer (The underlined part "prefer" is pronounced as prɪˈfər, while the other options have a stress on the first syllable).
7. A. natural - B. learn - C. assistant - D. ability
Answer: B. learn (The underlined part "learn" is pronounced as lərn, while the other options have a stress on the first syllable and a different vowel sound).
8. A. collect - B. concern - C. concert - D. combine
Answer: B. concern (The underlined part "concern" is pronounced as kənˈsərn, while the other options have a stress on the first syllable and a different vowel sound).
9. A. absent - B. government - C. dependent - D. enjoy
Answer: D. enjoy (The underlined part "enjoy" is pronounced as ɛnˈʤɔɪ, while the other options have a stress on the first syllable).
10. A. future - B. return - C. picture - D. culture
Answer: B. return (The underlined part "return" is pronounced as rɪˈtərn, while the other options have a stress on the first syllable and a different vowel sound).
11. A. man - B. woman - C. accountant - D. highland
Answer: A. man (The underlined part "man" is pronounced as mæn, while the other options have a stress on the first syllable and a different vowel sound).
12. A. label - B. absence - C. bell - D. nutrient
Answer: C. bell (The underlined part "bell" is pronounced as bɛl, while the other options have a stress on the first syllable and a different vowel sound).
13. A. learn - B. near - C. earth - D. research
Answer: B. near (The underlined part "near" is pronounced as nɪr, while the other options have a stress on the first syllable and a different vowel sound).
14. A. verb - B. worse - C. word - D. pepper
Answer: D. pepper (The underlined part "pepper" is pronounced as ˈpɛpər, while the other options have a short vowel sound /ə/ or a different vowel sound).
15. A. bird - B. family - C. husband - D. Saturday
Answer: B. family (The underlined part "family" is pronounced as ˈfæməli, while the other options have a stress on the first syllable and a different vowel sound).
16. A. among - B. carrot - C. journey - D. September
Answer: A. among (The underlined part "among" is pronounced as əˈməŋ, while the other options have a stress on the first syllable and a different vowel sound).
17. A. letter - B. earn - C. purple - D. birthday
Answer: B. earn (The underlined part "earn" is pronounced as ərn, while the other options have a stress on the first syllable and a different vowel sound).
18. A. holiday - B. computer - C. affraid - D. dirty
Answer: D. dirty (The underlined part "dirty" is pronounced as ˈdərti, while the other options have a stress on the first syllable and a different vowel sound).
19. A. color - B. ago - C. curly - D. surprise
Answer: B. ago (The underlined part "ago" is pronounced as əˈgoʊ, while the other options have a stress on the first syllable and a different vowel sound).
20. A. actor - B. nervous - C. literacy - D. information
Answer: A. actor (The underlined part "actor" is pronounced as ˈæktər, while the other options have a stress on the first syllable and a different vowel sound or more syllables).
Based on the given IPA notations, the answers are as follows:
1. B. flower (flaʊər)
The underlined parts in the other options are pronounced as "ə" (schwa sound), which is a neutral vowel sound. The "ow" in "flower" is pronounced as "aʊ", which is a diphthong and is different from the schwa sound.
2. A. girl (gərl)
The other options have the stress on the first syllable (expert, open), or the word starts with a distinct sound (burn). The word "girl" has an unstressed first syllable and starts with a schwa sound, which is different from the other options.
3. B. world (wərld)
The other options have distinct sounds for the underlined parts. The word "world" has a schwa sound ("ə") for the underlined part, which is different from the other options.
4. B. collect (kəˈlɛkt)
The underlined parts in the other options are pronounced with a stress on the first syllable. The word "collect" has an unstressed first syllable, which is different from the other options.
5. B. learn (lərn)
The other options have distinct sounds for the underlined parts. The word "learn" has a schwa sound ("ə") for the underlined part, which is different from the other options.