选择题答案：1-5BAAAC6-10ABCAB11-15CBCAC16-20ACBCB21-25ABACA26-30ABCBB31-35CAABA36-40CABAB41-45BCCBB46-50ACCAC51-55BCBAA56-60CACBB61-65CBBCA66-70BCBAA71-75ABBBC76-80CACAC81-85BBBDC86-90CABCB91-95BCBBA96-100AACBC101-105BCCCB106-110BCBAC111-115CCCCA116-120AACCA121-125ABBAC126-130ACBCA131-135AACBA136-140CBBCC141-145AACAA146-150BCBCC151-155CBABA156-160BCACC161-165BACBA166-170BCCAB171-175ABBAC176-180BBCCA181-185BBCBC186-190BBABB191-195CCBAB196-200BBBCB201-205CBBAB206-210AAAAB211-215CCCCA226-230BBACC231-235CBBBB236-240ABBBA196-205重复，后面标错了序号
