Đề thi:
Đáp án:
| 41 | A | 51 | A | 61 | B | 71 | B |
| 42 | B | 52 | B | 62 | B | 72 | D |
| 43 | D | 53 | D | 63 | D | 73 | C |
| 44 | A | 54 | A | 64 | A | 74 | C |
| 45 | A | 55 | C | 65 | A | 75 | B |
| 46 | B | 56 | A | 66 | A | 76 | A |
| 47 | D | 57 | C | 67 | A | 77 | A |
| 48 | D | 58 | C | 68 | D | 78 | C |
| 49 | C | 59 | C | 69 | B | 79 | C |
| 50 | A | 60 | A | 70 | C | 80 | A |
Đề thi:
Đáp án:
| 41 | A | 51 | A | 61 | B | 71 | B |
| 42 | B | 52 | B | 62 | B | 72 | D |
| 43 | D | 53 | D | 63 | D | 73 | C |
| 44 | A | 54 | A | 64 | A | 74 | C |
| 45 | A | 55 | C | 65 | A | 75 | B |
| 46 | B | 56 | A | 66 | A | 76 | A |
| 47 | D | 57 | C | 67 | A | 77 | A |
| 48 | D | 58 | C | 68 | D | 78 | C |
| 49 | C | 59 | C | 69 | B | 79 | C |
| 50 | A | 60 | A | 70 | C | 80 | A |
