I. PRONUNCIATION
Choose the words whose underlined part is pronounced differently from that of the others in each group.
1. A. thermal B. litter C. permanent D. service
2. A. loved B. missed C. watched D. washed
3. A. symbolize B. continent C. introduce D. Japanese
4. A. volcano B. forest C. tornado D. ghost
5. A. hands B. occasions C. associates D. others
Choose the word whose main stressed syllable is placed differently from that of the other in each group.
6. A. reindeer B. volunteer C. mountaineer D. engineer
7. A. repetitive B. electrical C. priority D. energetic
8. A. national B. physical C. arrival D. natural
9. A. Polish B. Canada C. China D. Chinese
10. A. classic B. rural C. nature D. degree