Across
- 5. replace; instead of
- 10. at the same time
- 12. purpose;goal
- 13. be able to read and write
- 14. neglect
- 16. obvious
- 17. take sth out；pull sth out
- 18. make; produce
- 20. background
Down
- 1. reduce，lessen
- 2. suggest; intend to do sth
- 3. relating to sight
- 4. fail to concentrate on sth
- 6. refuse to accept sth; try to prevent sth
- 7. the careful watching of someone or something
- 8. public disagreement,disapproval
- 9. more than half of sth
- 11. look like；similar
- 15. better
- 19. surpass;outweigh; overtake