I+II/ 1. D 2. A 3. A 4. C 5. C
III/ 6. B 7. B 8. C 9. A 10. B 11.B 12. C 13. B 14. D 15. D
IV/
16. organization 17. inventos 18. patients 19. opportunity 20. homework
21. devices 22. volunteers 23. society 24. system 25. brains
V/ 26. to reduce. 27. to ensure 28. to make 29. to provide 30. to track
VI/ 31. D 32. A 33. E 34. B 35. C
36. She was awarded the Nobel Peace Prize for her work for the rights of native peoples and reconciliation between ethnic groups.
37. Because they wanted to draw attention to the fact that the European discovery of America had led to the killing and suppression of native populations.
38. She came into contact with European groups that were working for human rights in Latin America, and she began to favor a policy of reconciliation with the authorities.
39. A peace agreement was signed in 1996.
40. She became a UN Ambassador for the world’s native peoples.
VII/ 41. E 42. B 43. F 44. A 45. C
VIII/
46. A digital camera stores the pictures and video clips in electronic format.
47. You can take countless photos and view them instantly.
48. You can have them uploaded and printed at once.
49. The quality of pictures keeps on improving.
50. You don’t need to worry that the film is full.