Choose the letter A, B, C or D to indicate the word whose primary stress is placed differently from that of the others.
1. A. mudslide B. earthquake C. typhoon D. debris
2. A. unpopular B. scientific C. biography D. majority
3. A. poisonous B. natural C. dramatic D. logical
4. A. radiation B. geology C. environment D. telepathy
5. A. disaster B. pollution C. permanent D. eruption
6. A. charity B. reality C. qualify D. destiny
7. A. curiosity B. personality C. community D. university
8. A. transitive B. effective C. positive D. sensitive
9. A. unaffected B. undrinkable C. uncountable D. unsuitable
10. A. imperfect B. immature C. immobile D. immoral
