E. functioned F. diseases G. efficient H. still
I. essential J. experiments K. prevent L. natural
M. prevailed N. explanation O. referred
II. F 12. L 13. I 14. B 15. C 16. K 17. E 18. H 19. D 20. J
【英语四级阅读200篇:Unit 49 passage 2】相关文章:
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30