Use a pencil to make a main stress mark on each word then choose the word that has main stress placed differently from the others:
1. A. prefer B. enjoy C. mother D. affect
2. A. affect B. happen C. pollution D. polite
3. A. pollution B. picture C. village D. factory
4. A. affect B. father C. teacher D. picture
5. A. illustrate B. believe C. affect D. behave
6. A. artistic B. historic C. dramatic D. scientific
7. A. medical B. national C. chemical D. historical
8. A. athletic B. dramatic C. scientific D. heroic
9. A. chemical B. physical C. environmental D. medical
10. A. medical B. hospital C. politic D. electric
Use a pencil to make a main stress mark on each word then choose the word that has main stress placed differently from the others:
1. A. prefer B. enjoy C. mother D. affect
2. A. affect B. happen C. pollution D. polite
3. A. pollution B. picture C. village D. factory
4. A. affect B. father C. teacher D. picture
5. A. illustrate B. believe C. affect D. behave
6. A. artistic B. historic C. dramatic D. scientific
7. A. medical B. national C. chemical D. historical
8. A. athletic B. dramatic C. scientific D. heroic
9. A. chemical B. physical C. environmental D. medical
10. A. medical B. hospital C. politic D. electric