I.Choose the word which has a different stress pattern from the others

         I.Choose the word which has a different stress pattern from the others.
1.    A.charity                  B.reality                      C.quality                       D.density
2.    A.curiosity                B.personality              C.community                D.university
3.    A.additive                B.positive                   C.primitive                    D.possessive
4.    A.nationality            B.mobility                  C.. equality                    D.majority
5.    A.transitive               B.effective                 C.positive                      D.sensitive