Choose the correct letter to indicate the word that differs from the other three in stress pattern.

1. A. parachutist          B. competitive       C. economy         D. equality

2. A. participant           B. voluntary           C. participate       D. community

3. A. traditional            B. communicate    C. economic        D. intelligence

4. A. organisation        B. participation      C. responsibility   D. international

5. A. opportunity          B. environmental   C.pronunciation   D.communication

6. A. uneducated          B. organisation     C. laboratory        D. traditional

7. A. educational          B. economic          C. economy         D. university

8. A. activity                 B. uncomfortable   C. intelligence      D. educated