参考答案
1-5 BDABD 6-10 AACBD 11-15 CADAA 16-20 ACCAA
21-25 BBABC 26-30 DCDEF 31-35 BBCDD 36-40 CACDD
41-45 CBABD 46-50 AFEBD 51-55 ADDCC 56-60 BBCAC
61-65 DBADC
