I. Choose the word that has main stress placed differently from the others: 1. A. dramatic B. rhythmic C. angelic D. romantic 2. A. affect B. algae C. billboard D. cholera 3. A. political B. electrical C. identical D. politic 4. A. aquatic B. radiation C. pollution D. tradition 5. A. industry B. industrial C. poison D. poisonous 6. A. degree B. affect C. obese D. puzzle 7. A. billboard B. awesome C. examinee D. accent 8. A. legend B. addressee C. Vietnamese D. employee 9. A. refugee B. trainee C. Japanese D. engineer 10. A. industry B. nature C. supply D. climate 11. A. typhoon B. tropical C. debris D. document 12. A. animal B. destroy C. erupt D. exploit 13. A. documentary B. preparation C. scientific D. photography 14. A. eruption B. science C. destroy D. volcano 15. A. sensitive B. active C. attractive D. talkative 16. A. community B. activity C. quality D. character 17. A. nationality B. opportunity C. creativity D. communication 18. A. express B. practice C. describe D. decide 19. A. language B. conference C. understand D. message 20. A. unpolluted B. unbalanced C. unreasonable D. unlawful 21. A. uncommon B. immortal C. impolite D. important 22. A. connection B. internet C. inventor D. technique 23. A. contamination B. temperature C. population D. atmosphere 24. A. possibility B. impossible C. unidentified D. technological 25. A. purposeful B. beautiful C. hopeful D. regretful