词汇测验:

1. oscillate

2. pariah

3. presage

4. vicissitude

5. irascible

6. discomfit

7. reprobate

8. perfunctory

9. efficacious

10. consecrate

11. patent

12. transgress

13. antecedent

14. coerce

15. arbitration

16. dour

17. trepidation

18. brazen

19. enthrall

20. instigate

剩余时间： 200 秒