Choose the word which has different stress position

Exercise 3: Choose the word which has different stress position.
1. A. exhibition
B. confection
2. A. Librarian
C. education
C. University
C. preparation
3. A. superlatively
4. A. Celebration
5. A. consolation
6. A. respective
7. A. Estimation
B. Biological
B. Observatory
B. destination
B. justifiable
B. politician
B. explanation
B. ordinary
C. Recognition
C. literature
C. geography
C. vegetarian
MC. Canadian
B. contribution
8. A. helicopter
9. A. connection
10.A. humanitarian
Y
Th
B. fundamental
C. description
C. methodology
Presention
D. Animation
D. variation
D. zoology
D. physician
D. watermelon
D. minority
D. Confession
D. specialty
D. depression
D. scientific