Choose a word in each line that has different stress pattern

Choose a word in each line that has different stress pattern.

1.  A. periodic                B. contagious           C. electric                  D. suspicious

2.  A. environmental   B. conservatively    C. approximately    D. considerable

3.  A. arrangement      B. tourism                 C.opponent              D. contractual

4.  A. respectable         B. affectionate        C. kindergarten       D. occasional

5.  A. particular             B. environment       C. advertisement    D. circumstances