Đề thi:
Đáp án:
| 1 | A | 11 | D | 21 | D | 31 | C | 41 | B |
| 2 | D | 12 | C | 22 | A | 32 | C | 42 | C |
| 3 | C | 13 | B | 23 | B | 33 | D | 43 | D |
| 4 | B | 14 | D | 24 | A | 34 | B | 44 | C |
| 5 | B | 15 | A | 25 | C | 35 | D | 45 | A |
| 6 | A | 16 | A | 26 | B | 36 | D | 46 | A |
| 7 | B | 17 | C | 27 | B | 37 | C | 47 | B |
| 8 | C | 18 | B | 28 | A | 38 | C | 48 | A |
| 9 | D | 19 | C | 29 | D | 39 | D | 49 | C |
| 10 | D | 20 | A | 30 | B | 40 | A | 50 | C |