DSU 4 Intro (see text on page 8)

12345678910111213
Across
  1. 4. unimportant idea L19
  2. 9. difficult L25
  3. 10. guess L2
  4. 11. exercise L22
  5. 12. strange L17
  6. 13. wrong idea L30
Down
  1. 1. common L30
  2. 2. cross between a marathon and a walk L37
  3. 3. amounts L14
  4. 5. walkway L3
  5. 6. maintained to a good standard L6
  6. 7. doubts L8
  7. 8. reject L14