Đề thi






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