A. PHONETICS
I/ 1. A 2. B 3. D 4. B 5. B 6. C 7. A 8. B 9. D 10. A 11. A 12. A 13. C 14. B 15. A
II/
/t/: reached, reduced
/d/: enjoyed, preferred, emerged, carried, failed
/ɪd/: depended, ralated, included, captivated
II. VOCABULARY & GRAMMAR
I. 1. media 2. web 3. addicted 4. cyberbullying
5. subscribe 6. networking 7. dominat 8. interact
II. 1. social networks 2. cyber-bullying 3. posted 4. view
5. information 6. keep in touch with 7. online 8. smartphone
III. 1. G 2. D 3. J 4. A 5. F 6. C 7. B 8. I 9. E 10. H
IV. 1. to 2. to 3. from 4. about 5. for 6. after 7. of 8. on 9. in – from 10. from
V. 1. D 2. G 3. F 4. A 5. H 6. B 7. C 8. E
VI. 1. A 2. B 3. B 4. A 5. A 6. B
VII. 1. started – had seen 2. was- had left 3. felt – had had 4. had stopped – got
5. was – had eaten 6. borrowed – didn’t realise – had been torn out
VIII. 1. fell – had done 2. had gone – went 3. had done – watched
4. saw – had watched 5. had – had already seen
C. READING
I/
Task 1: 1.T 2. T 3. F 4. F 5. T 6. NG 7. T 8. NG 9. F 10. F
Task 2.
1. It is Duolingo
2. Duolingo makes your study fun by awarding you points for lessons completed and bonuses if you do well.
3. They are Livemocha and Busuu
4. It is Duolingo
5. I think Livemocha and Busuu provide more structured lessons.
II/ 1. D 2. A 3. C 4. A 5. B 6. B 7. A
III/ 1. B 2. A 3. C 4. B 5. D 6. C 7. C 8. A 9. B 10. A
IV/ 1. C 2. B 3. A 4. D 5. D 6. B 7. C 8. B 9. D 10. A
D. SPEAKING
1. E 2. C 3. H 4. B 5. G 6. A 7. D 8. F
E. WRITING
1. D 2. C 3. A 4. E 5. B
TEST 1 (Unit 4)
I+II/ 1. A 2. C 3. D 4. B 5. B
III/ 6. C 7. A 8. A 9. B 10. D 11. B 12. C 13. A 14. A 15. D
IV. 16. trend 17. lives 18. key 19. access 20. recipe
V. 21. E 22. C 23. A 24. B 25. D
21. I think the company should inform its customers about the improvements in their services.
22. UNICEF provides supports and funds for the most disadvantaged children all over the world.
23. I tried to prevent them from going, but they wouldn’t take any notice.
24. I’ve always regarded you as my best friend.
25. The bad weather resulted in the plane being delayed.
VI. 26. B 27. C 28. D 29. B 30. C 31. A 32. B 33. A 34. B 35. D
VII. 36. B 37. C 38. A 39. B 40. A
VIII. 41. C 42. G 43. E 44. B 45. D
IX.
46. The pie chart shows the preferred forms of social media used by high school students recorded in a survey carried out this year.
47. As we can see, a majority of students, about 71%, have used Facebook.
48. Both social networks, Linkedln and Pinterest, are used by about a fifth of students, 22% and 21% respectively.
49. Twitter comes fourth with a bit less than a fifth of students, 19%.
55. The percentage of students using Instagram for taking, changing, and sharing photographs and video clips is only 17%.
TEST 2 (Unit 4)
I+II. 1. D 2. B 3. C 4. C 5. A
III. 6. C 7. A 8. D 9. B 10. C 11.D 12. C 13. A 14. C 15. D
IV. 16. imagine 17. model 18 .hit 19. realize 20. invest
V. 21. flew - had had 22. had - had worked 23. had read - had 24. flew - had signed 25. went - had exercised
VI. 26. C 27. A 28. B 29. D 30. A 31. C 32. A 33. D 34. B 35. C
VII. 36. D 37. A 38. D 39. B 40. C
VIII. 41. E 42. D 43. A 44. F 45. C
IX.
46. The pie chart shows the distribution of time that American teens spend with their friends.
47. As we can see, this year, teens spend a majority of their time, about 55%, texting with their friends every day because text messaging is a key component of interactions.
48. They spend a quarter of their time or 25% meeting their friends in person.
49.13% is the percentage of time that they spend playing video games with their friends.
50. They spend only 6% of their time writing and sending email to their friends, and 1% video chatting with their peers