词汇测验:

1. mundane

2. reprobate

3. incontrovertible

4. ornate

5. morose

6. gratuitous

7. decorous

8. obtuse

9. sanguine

10. vex

11. lithe

12. blemish

13. implacable

14. discretion

15. demure

16. forlorn

17. zenith

18. knell

19. flabbergasted

20. inviolable

剩余时间： 200 秒