Choose the word that has a different stress pattern

EXERCISE 2: Choose the word that has a different stress pattern.
1. A. preservation B. communicate C. commemorate D. participate
2. A. repetitive B. electrical C. priority D. energetic
3. A. pollute B. poison C. damage D. illustrate
4. A. definition B. electricity C. contaminate D. radiation
5. A. natural B. trainee C. unique D. parade
6. A. refugee B. committee C. absentee D. Taiwanese
7. A. technology B. disaster C. available D. temporary
8. A. victim B. typhoon C. damage D. shelter
9. A. volunteer B. accurate C. wonderful D. terrible
10. A. medical B. natural C. kangaroo D. visitor
11. A. evacuate B. emergency C. biography D. economic
12. A. humid B. comfort C. intact D. urban