I. Choose the word which has a different stress patter from the others:
1. A. comparison B. organization C. communication D. socialization
2. A. competition B. participation C. anniversary D. vegetarian
3. A. musician B. librarian C. commemoration D. magician
4. A. magician B. historian C. technician D. conversation
5. A. malnutrition B. prohibition C. recommendation D. superstition
6. A. decide B. famous C. reduce D. invite
7. A. pollute B. improve C. attend D. culture
8. A. agree B. refuse C. attract D. beauty
9. A. reader B. crowded C. decide D. father
10. A. friendship B. medicine C. encourage D. graduate
11. A. remind B. craftsman C. attract D. museum
12. A. technology B. geography C. economics D. biology