Đề thi






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