1. A. address B. affect C. caretaker D. equal 2. A. eliminate B. enrol C. education D. encourage 3. A. married B. engaged C. complicated D. believed 4. A. reception B. horoscope C. contrast D. costume 5. A. internet B. device C. identify D. application 6. A. instruction B. recognition C. digitalization D. question 7. A. ecosystem B. pollution C. contamination D. consumption 8. A. degraded B. depleted C. protected D. damaged 9. A. sustainable B. ecotourism C. biosphere D. discharge 10. A. guide B. ecology C. technology D. strategy Exercise 2 - Mark the letter A, B, C or D to show the word that differs from the other three in the position of the primary stress in each of the following questions. 11. A. nature B. wildlife C. reserve D. tourist 12. A. entertain B. attractive C. exciting D. exotic 13. A. solution B. chemical C. organic D. pollutant 14. A. deforest B. aquatic C. pesticide D. destruction 15. A. software B. device C. apply D. improve 16. A. portable B. electric C. digital D. educate 17. A. majority B. traditional C. receptionist D. superstitious 18. A. celebration B. generation C. disadvantage D. ceremony 19. A. equality B. limitation C. independence D. expectation 20. A. gender B. effect C. treatment D. challenge