参考答案
1-5 ADACD 6-10 BBDAA 11-15 ABBCD 16-20 ACBAC
21-25 BAFBA 26-30 CDEAF 31-35 ACDBD 36-40 CDCDB
41-45 CABDB 46-50 DCABE 51-55 BCADD 56-60 ACBAB
61-65 CDDAB
