Choose the word whose underlined part is pronounced differently from the others

Ex1. Choose the word whose underlined part is pronounced differently from the others.
1. A. Who B. Where C. Which D. when
2. A. Send B. Tent C. Rely D. tend
3. A. Lock B. Shock C. Block D. program
1. A. Comb B. Climb C. Dumb D. blond
Ex2. Find the word which has different stress pattern
1 A. attitude B. behavior C. cooperate D. remember
2 A. calculate B. regulation C. wonderful D. celebrate
3 A. delicate B. department C. instructor D. technology
4 A. generate B. discipline C. integrity D. interrupt
5 A. engineer B. newspaper C. energy D. factory