I. Choose the word whose underlined part is pronounced differently from the others:
1 a. three b. think c. there d. birth
2 a. stomachache b. school c. chemistry d. chicken
3 a. knee b. chemistry c. Christmas d. orchid
4 a. program b. globe c. green d. foreign
5 a. girl b. sister c. nurse d. heard
II. Find the word with the stress pattern different from that of the others:
6 a. talkative b. impatient c. sociable d. character
7 a. listen b. prefer c. dislike d. receive
8 a. generous b. humorous c. orphanage d. volunteer
9 a. dependent b. unusual c. generous d. official
10 a. annoy b. visit c. afford d. account