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Đáp án OLYMPIC 10 (2021)   
Phần trắc nghiệm (0.5 pt each)    1. A. will be working  21. D. intensified  41. C. discrepancy  2. D. was recovering  22. B. grief  42. C. whereas  3. A. that she could write  23. D. pricked  43. B. level  4. B. Had we known  24. D. adversities  44. D. Consequently  5. C. wear  25. C. inhabitants  45. A. logic  6. B. wouldn't play  26. D. provoked  46. B. up  7. C. got me to do  27. A. notified    47. A. comparison with 
8. C. are likely to have missed 28. A. scanned  48. A. clash  9. A. confirmed  29. D. creaking  49. C. into  10. C. going  30. C. disadvantage  50. D. rather than  11. A. on  31. B. lump  51. D. some  12. D. with  32. C. entails  52. A. in that  13. B. in with    33. D. going  53. C. whole  14. C. round to  34. D. commences  54. A. figures  15. A. out for    35. A. implementation   55. C. occur  16. C. to  36. C. excels  56. B. particularly  17. D. for  37. C. peg  57. B. interval  18. A. across    38. C. deter  58. A. in fact  19. C. out of  39. A. caught  59. D. enigma  20. D. out  40. B. dwindled  60. D. for which   
61. A. the distance between the corneal lens and the retina is increased 
62. C. corrects the initial condition of hyperopia most newborn babies have  63. B. remain a mystery 
64. A. images fall in focus on the retina 
65. D. results from an increased reading load  66. C. selflessness 
67. A. is made to leave the group 
68. A. They have to elect deputies. 
69. D. New births within the colonies swell their population. 
70. B. reflect how strong an effect altruism can have on our actions. 
71. D. not getting enough nutrients 
72. B. iron deficiency in adults 
73. B. adding nutrients to food 
74. B. It lowered rates of birth defects.  75. A. It can be avoided. 
76. D. It helps to build blood vessels in the brain. 
77. C. early modern humans ate more fish  78. A. advantage 
79. D. nutrition and brain development. 
80. B. It led to the evolution of bigger brains.        1    Phần tự luận:  OPEN CLOZE (1 pt each)  1. parts  11. well  2. enough  12. decades  3. cultural  13. overweight  4. Like 
14. resulting/consequent/resultant  5. well / fully  15. taken  6. themselves  16. down  7. did  17. open  8. event / occasion  18. Nor  9. all  19. it  10. seminar  20. two   
WORD FORMATION (1 pt each)  1. periodicals  11. deprivation  2. unveiled  12. earnings  3. imperceptible  13. outstrip  4. irreconcilable  14. backgrounds  5. unprecedented  15. outperforming  6. elongated  16. discouragement  7. intergenerational  17. resentment  8. insecticidal  18. underprivileged  9. all-inclusive  19. spectacularly  10. far-flung  20. outshone 
ERROR IDENTIFICATION (1 pt each) 
1. Line 2: thousand  thousands 
2. Line 3: historic  historical  3. Line 4: were  are 
4. Line 6: (tree;) some  others  5. Line 8: for  of  6. Line 9: easy easier  7. Line 10: root  roots 
8. Line 12: probably  probably  9. Line 13: whom  what 
10. Line 15: came  turned 
SENTENCE TRANSFORMATION (2 pts each) 
1. She was at odds with her fellow workers over/ concerning the new  management policies. 
2. On no account must you forget to lock the drawer. 
3. I remained silent for fear of her taking offence / (that) she 
(might/should/would) take offence. 
4. His neglect of his work/ negligent work led to his dismissal/ his being  dismissed. 
5. You will not be held in (high) esteem/regard by your colleagues unless 
you become more co-operative. 
6. She claimed she was provoked into handing in her resignation. 
7. You should not have taken it as read that we would support your project. 
8. Such is the ambiguity of politicians’ language that I have no inkling of what  they really mean. 
9. Keep it under your hat or you will drive him round the bend.  
10. He admits he’s just a (small) cog in a big wheel / a cog in the  machine/wheel.  2    
