-----------1-----------21.CABCD2.(B)ABCD3.:(A)ABCD4.DABCD5.(C)A3B4C5D66.DABCD7.B-----------3ABCD8.AA1013B103C1014D1049.(ABE)ABCDE10.(C)ABCD11.(A)ABCD12.A-----------4ABCD13.DABCD14.CABCD15.ACDFABCDEF16.(ABDEG)ABCDEFG17.CA12B13C14D1518.B-----------5ABCD19.CABCD20.AAB6C4D621.DA46B4C6D22.CA7613B614C713D71423.(B)ABCD24.(B)ABCD25.CABCD26.C-----------6ABCD27.------AABCD28.BABCD29.BCDEABCDE30.AABCD31.-----------7CABCD32.DABCD33.BABCD34.AABCD35.DABCD36.C-----------8ABCD37.BABCD38.CABCD39.DABCD40.AABCD41.614DABCD42.B-----------9ABCD43.CABCD44.DA200662B200663C200562D20056345.CABCD