词汇测验:

1. obtuse

2. consign

3. invective

4. lethargic

5. flaccid

6. potentate

7. manifold

8. buttress

9. altercation

10. carp

11. collusion

12. exasperate

13. succinct

14. strident

15. concomitant

16. hiatus

17. exhort

18. dither

19. contravene

20. plaudits

剩余时间： 200 秒