1. choose the word that has the underlined parts pronounced differently from the others in each group:
1. A. there B.healthy C. gather D. northern
2. A. opened B. stopped C. talked D. liked
3. A. left B. center C. enter D. Frighten
2. choose the word whose stress pattern is different from that of the other words in each group
1. A diver B. vessel C. affect D. chopstick
2. A. relax B. marbles C. comic D. atlas