1. Analyze:
'physical' stressed at first syllable
'official' stressed at second syllable
'successful' stressed at second syllable
'surprising' stressed at second syllable
Therefore, 'physical' has a different stress position to other words.
Answer: A. physical
2. Analyze:
'educate' stressed at first syllable
'understand' stressed at third syllable
'recognize' stressed at first syllable
'concentrate' stressed at first syllable
Therefore, 'understand' has a different stress position to other words.
Answer: B. understand
3. Analyze:
'energy' stressed at first syllable
'beautiful' stressed at first syllable
'pollution' stressed at second syllable
'national' stressed at first syllable
Therefore, 'pollution' has a different stress position to other words.
Answer: C. pollution
4. Analyze:
'damage' stressed at first syllable
'local' stressed at first syllable
'nature' stressed at first syllable
'destroy' stressed at second syllable
Therefore, 'destroy' has a different stress position to other words.
Answer: D. destroy
5. Analyze:
'property' stressed at first syllable
'solution' stressed at second syllable
'advantage' stressed at second syllable
'pollutant' stressed at second syllable
Therefore, 'property' has a different stress position to other words.
Answer: A. property
6. Analyze:
'extreme' stressed at second syllable
'culture' stressed at first syllable
'respect' stressed at second syllable
'effect' stressed at second syllable
Therefore, 'culture' has a different stress position to other words.
Answer: B. culture
7. Analyze:
'convenient' stressed at second syllable
'permanent' stressed at first syllable
'attractive' stressed at second syllable
'important' stressed at second syllable
Therefore, 'permanent' has a different stress position to other words.
Answer: B. permanent
8. Analyze:
'introduce' stressed at third syllable
'recommend' stressed at third syllable
'clarify' stressed at first syllable
'interact' stressed at third syllable
Therefore, 'clarify' has a different stress position to other words.
Answer: C. clarify
9. A. laptop
B. tablet
C. camera
D. calculator
- The words "laptop", "tablet", and "camera" have one syllable with a primary stress, whereas "calculator" has more than one syllable with a primary stress on the third syllable.
10. A. agreed
B. missed
C. liked
D. watched
- The words "missed", "liked", and "watched" have one syllable, whereas "agreed" has two syllables.
11. A. protect
B. extreme
C. endangered
D. environment
- The words "extreme", "endangered", and "environment" have three syllables with the second syllable receiving the primary stress, whereas "protect" has two syllables.
12. A. habitat
B. atmosphere
C. balance
D. global
- The words "habitat", "atmosphere", "balance" have more than one syllable, whereas "global" has two syllables.
13. A. threats
B. stages
C. levels
D. ideas
- The words "stages", "levels", and "ideas" have more than one syllable, whereas "threats" has one syllable.
14. A. environmental
B. depletion
C. melt
D. chemical
- The words "environmental", "depletion", and "chemical" have four syllables, whereas "melt" has one syllable.
15. A. portable
B. syllable
C. enable
D. suitable
- The words "portable", "syllable", and "suitable" have three syllables, whereas "enable" has three syllables with the second syllable receiving the primary stress.
16. A. cats
B. tapes
C. lives
D. cooks
- The words "cats", "tapes", "cooks" have one syllable, whereas "lives" has one syllable but the pronunciation is different (lives is pronounced lɪvz whereas the others are pronounced as k- sounds).
17. D. improve
18. D. permits
19. A. divert
20. D. finding
21. D. serious
22. C. contaminants
Here are the answers to the questions:
23. D. prevent
24. None (there isn't an option that is OPPOSITE in meaning to "blended learning")
25. None (there isn't an option that is OPPOSITE in meaning to "electronic dictionaries can be easily downloaded")
26. D. disadvantages
27. A. ease
28. C. Polluted
29. D. abrupt
30. None (there isn't an option that is OPPOSITE in meaning to "preservation of biological diversity")
31. B. materials
32. A. take
33. D. Strategy