Multiple Choice (Each item: 1 point(s)) Directions: Choose the best answer from the four choices marked A, B, C and D. unit 1 词汇练习.docx (100.0分) A. 1.C 2.D 3. C 4. B 5.B 6. D 7. D 8. D 9. A 10. B 11. B 12. D 13. B 14. D 15. B 16. C 17. C 18. B 19. D 20. D 21. B 22. D 23. A 24. C 25.B