Exercise 9: cookbook, treatment, illness, disease

Exercise 9. Mark the letter A, B, C, or D to indicate the word that differs from the  other three in the position of primary stress in each of the following questions. 
6. A. cookbook B. treatment C. illness D. disease 

7. A. healthy B. active C. asleep D. fatal 

8. A. nutrition B. energy C. infection D. tradition  

9. A. regular B. essential C. serious D. suitable 

10. A. bacteria B. diameter C. organism D. expectancy

Đáp án:

6. D

7. C

8. B

9. B

10. C