(21-30)DABADCDADB虚拟语气练****答案31-B41-DCACBC51-60DBCBBDCBCA61-DCBCBB非谓语动词答案:-6-BA11-15AABBA16-倒装句21-25BADCD从句及连词答案41-50ACDDBACBDB51-ABAA61-BACB71-ACD81-85BAABC语法词汇综合练****答案ExerciseOne1-10ABBCDCDACB11-20BCDABBAAAC21-30ADABBCACBD31-BBBAAABCExerciseTwo1-DDBD11-BDCBDD21-30BCAADBBBAD31-DACExerciseThree1-ABBC11-20ADBABCDABB21-31-40AAABCABCBBExerciseFour1‐5AABDB6‐A11‐15DDCBC16‐21‐25CBDAA26‐30ACBDCExerciseFive1-11-20BADDDABBAD21-完形填空答案Practice1BCBDA DBACA CADBC ADBADPractice2DBABC DBADD BCCAA BBCBCPractice3DBACD CAAAD DBCDC CBACBPractice4CBADB CADCB ABDBA DCABAPractice6BCACADCDBA ABDCD BACDBPractice7ABACDBBBCD CBAAC ADCDDPractice81-DDABDBC11-20AACABBADADPracticeNineCBDADACBBA CBCAA CDDBD阅读理解答案Practice11. C 2. D3. D 4. C 5. A6. B 7. B 8. A 9. C 10. B11. D 12. A 13. C 14. A 15. B16. C 17. D 18. B 19. D 20. APractice21. C 2. D 3. B 4. C 5. D6. D 7. B 8. D 9. C 10. A11. B 12. C 13. A 14. D 15. B16. A 17. C 18. D 19. B 20. B1. A 2. A 3. D 4. D 5. A6. C 7. D 8. C 9. C 10. A11. C 12. C 13. C 14. B 15. D16. B 17. A 18. B 19. D 20. A1. D 2. D 3. A 4. B 5. C6. D 7. A 8. C 9. C 10. A11. B 12. D 13. C 14. B 15. A16. D 17. B 18. C 19. B 20. A短文回答答案Practice1S1. 1930-1934(or-1935)/from1930to1934S2. (Theintroductionof)DrivingtestsandpedestriancrossingsS3. exceedsthespeedlimits/breaksspeedinglawsS4. . Theincreaseintrafficd