I. Choose the word whose underklined part pronounced differently from the others.

1.          A. lunch                   B. music                     C. unpopular              D. study

2.          A. chemistry             B. tidy                         C. appliance               D. stripe

3.          A. books                   B. physics                   C. events                     D. cities

4.          A. favorite                B. amazing                  C. distance                  D. famous