词汇测验:

1. expedient

2. putrid

3. assiduous

4. validate

5. quixotic

6. arboreal

7. retract

8. approbation

9. maxim

10. veracity

11. ineffable

12. reclusive

13. abduct

14. venerable

15. consecrate

16. consign

17. undulate

18. nebulous

19. pittance

20. scurrilous

剩余时间： 200 秒