Choose one of word whose underlined part is pronounced differently from the other

Ex1. Choose one of word whose underlined part is pronounced differently from the
other
1. A. Christmas B. character C. school D. church
2. A. traveled B. surprised C. worked D. climbed
3. A. bother B. sunbathe C. cloth D. months

Ex2. Choose the word whose stress pattern is different from that of the other words
in each group
1. A. football B. windsurfing C. badminton D. aerobics
2. A. hotel B. swallow C. improve D. survive