Đề thi






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