研学7

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Across
  1. 2. having a hole or empty space inside
  2. 6. acting as a sign or symbol of something
  3. 10. building, column, statue, etc built to remind people of a famous person or event
  4. 11. a short phrase that is easy to remember and is used in advertisements
  5. 12. most important, famous or successful
  6. 13. connected with the natural processes of living things:
  7. 14. honest and frank
Down
  1. 1. the number of times something happens within a particular period
  2. 3. to give official approval to act
  3. 4. big and very impressive
  4. 5. a small part as representative of the whole
  5. 7. a period of time that is spent doing a particular activity
  6. 8. the ability to understand or to do something
  7. 9. continuing for only a limited period of time
  8. 11. to support someone by paying for their training, education, living costs