词汇测验:

1. serendipity

2. abridge

3. innocuous

4. callous

5. enigmatic

6. paragon

7. curt

8. tangential

9. appraise

10. arbitrary

11. promulgate

12. toady

13. extant

14. conduit

15. euphoric

16. expurgate

17. agriculture

18. agnostic

19. mawkish

20. pittance

剩余时间： 200 秒