Unit 1Conversation1-5 DABAA6-10 CDCBDPassage1-5 BCCBC6-10 BAAADUnit2Conversation1-5 BCAAA6-10 DAACDPassage1-5 BCDAA6-10 CCBDCUnit3Conversation1-5 ADACB6-10 BCDCDPassage1-5CAADA6-10ACBAAUnit4Conversation1-5 ABCDB6-10 CBABDPassage1-6 DABDDC7-10 CDDAUnit5Conversation1-5BAABD6-10 CCDDAPassage1-5 CABAD6-10 DCCADUnit6Conversation1-5 CDABA6-10 CAABDPassage1-5 CBADA6-10 DADDCUnit7Conversation1-5 BDDBD6-10 BDACAPassage1-5 DBDBA6-10 BCDBDUnit8Conversation1-5 BDCCA6-10 CBABDPassage1-5 CDCAA6-10 ACBDC第 页