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1、新概念英语第四册课后习题答案 Unit 1 CABDD BDAAC AB Unit 2 BCBDC ACAAD BC Unit 3 CABDA CDABA CD Unit 4 ACCAB BCDAA BD Unit 5 CABAB DACBB DD Unit 6 CACCC AAADB AA Unit 7 DCABA BACDA AC Unit 8 BDABD BAABC BC Unit 9 CDBAA CABAC AD Unit 10 CAABD CBBDC AA Unit 11 AABDD DADDB DD Unit 12 CABAC CDACA AB Unit 13 ACDAC BDAB
2、C AD Unit 14 DBDCC ACCBD BD Unit 15 CADCD DBACA CA Unit 16 ABCCA DDBAB AC Unit 17 BBADA BBDCD CA Unit 18 BABCD CDCCC BA Unit 19 BBCAD AABDD BC Unit 20 BCADC CCBDB CA Unit 21 BDBBA ADDAB CA Unit 22 CDACB ADBCD AB Unit 23 CADCC DCABC AC Unit 24 AACCB CADDA CD Unit 25 DBADD CACDB CA Unit 26 CBCBA CDDAB
3、 AC Unit 27 BCDCC ACCDD DA Unit 28 ADCDA BCADA BD Unit 29 CCADD CCADA BC Unit 30 CABDD BCCAC DC Unit 31 AABAD BADDC BD Unit 32 BDCBA DBDCA BC Unit 33 BDBAD BCCDC BA Unit 34 DCACB DACDB CA Unit 35 CBCAC ABBDC CD Unit 36 ACBCC ACCDB AC Unit 37 CABAC DBCDC BD Unit 38 CAABB ACBDD AB Unit 39 BCADA BDDBD BC Unit 40 DCDAC ADDDA DB Unit 41 ACACD CBBBD BC Unit 42 BCCBD BDADC AC Unit 43 DBABC CDDAC BB Unit 44 AAAAB BBBDC BA Unit 45 CADAC CACDC DC Unit 46 BBDBD ABCDA BD Unit 47 CAADB CACDB BC Unit 48 CCBCC CCDBA AB