参考答案
| 1．d | 11．b | 21．d | 31．c | 41．b | 51．b |
| 2．b | 12．c | 22．c | 32．c | 42．a | 52．b |
| 3．a | 13．c | 23．d | 33．a | 43．c | 53．c |
| 4．c | 14．a | 24．a | 34．a | 44．c | 54．b |
| 5．c | 15．a | 25．c | 35．a | 45．d | 55．c |
| 6．d | 16．c | 26．b | 36．c | 46．b | 56．b |
| 7．d | 17．b | 27．d | 37．b | 47．c | 57．d |
| 8．b | 18．c | 28．b | 38．a | 48．c | 58．d |
| 9．b | 19．d | 29．c | 39．c | 49．b | 59．b |
| 10．b | 20．b | 30．a | 40．b | 50．b | 60．d |
| 61．cde | 71．ab | 81．abcd | 91．c | ||
| 62．ace | 72．abcde | 82．acde | 92．b | ||
| 63．abcd | 73．abcde | 83．b | 93．c | ||
| 64．bcde | 74．cde | 84．abd | 94．c | ||
| 65．abe | 75．abcd | 85．ad | 95．abcd | ||
| 66．abc | 76．abcde | 86．abc | 96．a | ||
| 67．abd | 77．abd | 87．abc | 97．cde | ||
| 68．acd | 78．abce | 88．ad | 98．ae | ||
| 69．ad | 79．acd | 89．abcde | 99．bcd | ||
| 70．bcd | 80．abcde | 90．abc |
