unit 4

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Across
  1. 5. new
  2. 7. beyond,above
  3. 9. incorrectly positioned
  4. 11. 100
  5. 13. likely to spread infection
  6. 14. keep (something) from happening or arising
  7. 15. wrong,bad,not
  8. 17. before
  9. 19. being the only one of its kind; unlike anything else
  10. 20. people
Down
  1. 1. an instrument for recording time with great accuracy
  2. 2. a thing that blocks one's way or prevents or hinders progress
  3. 3. (of a person) introducing new ideas; original and creative in thinking
  4. 4. a period of a hundred years
  5. 6. do/make
  6. 8. time
  7. 10. give a practical exhibition and explanation of (how a machine, skill, or craft works or is performed)
  8. 12. one
  9. 16. excellent
  10. 18. in the way