Part I
1. C |
2. D |
3. B |
4. C |
5. D |
6. A |
7. C |
8. B |
9. B |
10. A |
11. B |
12. C |
13. B |
14. D |
15. A |
16. D |
17. A |
18. C |
19. B |
20. A |
Part II
21. D |
22. B |
23. C |
24. D |
25. A |
26. A |
27. D |
28. B |
29. C |
30. C |
31. A |
32. C |
33. B |
34. C |
35. D |
36. A |
37. C |
38. B |
39. D |
40. B |
Part III
41. A |
42. D |
43. C |
44. D |
45. B |
46. C |
47. A |
48. D |
49. B |
50. A |
51. C |
52. A |
53. D |
54. C |
55. B |
56. D |
57. B |
58. B |
59. C |
60. A |
61. D |
62. A |
63. D |
64. B |
65. A |
66. C |
67. D |
68. B |
69. A |
70. C |
Part IV
S1. master → mastering
S2. that → what
S3. in an effect → 去掉an
S4. lazy → laziness
S5. which → that
S6. affecting → affected
S7. at same time → same前加the
S8. year → years
S9. relative → relatively
S10. with → without |