IV. Choose the letter A, B, C or D the word that has different stress pattern from others. (5pts)
1. A. station B. student C. disease D. winter
2. A. helicopter B. entertaining C. documentary D. superstitious
3. A. recycle B. pollution C. abundant D. biogas
4. A. hilarious B. violent C. serious D. seasonal
5. A. countryside B. renewable C. plentiful D. relative