Find the word which has different stress pattern from the others. 1. A. person B. father C. teacher D. enjoy 2. A. prefer B. enjoy C. mother D. agree 3. A. doctor B. father C. picture D. prefer 4. A. pollution B. visit C. listen D. open 5. A. depend B. advise C. affect D. listen 6. A. affect B. father C. teacher D. picture 7. A. prefer B. enjoy C. mother D. affect 8. A. affect B. happen C. pollution D. fancy 9. A. pollution B. picture C. village D. factory 10. A. illustrate B. believe C. affect D. village 11. A. artistic B. historic C. dramatic D. scientific 12. A. medical B. national C. chemical D. historical 13. A. athletic B. dramatic C. scientific D. heroic 14. A. medical B. hospital C. politic D. electric 15. A. chemical B. physical C. environmental D. medical