词汇测验:

1. impervious

2. surrogate

3. medley

4. exult

5. hypocrisy

6. anguish

7. elucidate

8. ingenious

9. vacuous

10. ruse

11. propensity

12. pittance

13. perplex

14. truncate

15. hypothetical

16. petulance

17. requisition

18. plenitude

19. impinge

20. ubiquitous

剩余时间： 200 秒