Choose the word that differs from the other three in the position of primary stress

Ex 2. Choose the word that differs from the other three in the position of primary stress.

1. A. natural                     B. disaster                         C. ability                         D. biology

2. A. poison                      B. homeless                      C. visual                          D. explore

3. A. preparation             B. electronic                      C. geography                D. contribution

4. A. native                        B. official                           C. different                    D. country

5. A. visual                         B. thermal                         C. pollute                       D. medical

6. A. chemical                    B. specific                         C. national                     D. logical

7. A. geography                 B. temporary                    C. apology                     D. astrology

8. A. adoptee                     B. employee                      C. refuge                       D. committee

9. A. chemical                    B. informal                         C. national                    D. medical

10. A. unable                     B. unhealthy                       C. impolite                    D. imbalance

11. A. Japanese                 B. technology                     C. underground           D. employee