题目内容：

Choose the one whose underlined part is different from the other three in pronunciation.

1.A.produce B.subject C.university D.education

2.A.ear  B.nearly C.heart D.hear

3.A.southern B.cloudy C.trousers D.ground

4.A.leather B.athletics C.bathroom D.depth

5.A.chemistry B.changed C.chance D.choose