Ответ:

Решение:

  1. The symbol of Scotland is the most beautiful of all.
  2. This picture is more beautiful than that one.
  3. Our Russian traditions are more attractive than any others in the world.
  4. My native language is the most attractive in the world.
  5. The history of the UK is more interesting for me than the history of Australia.

Ответ: 1. the most beautiful, 2. more beautiful, 3. more attractive, 4. the most attractive, 5. more interesting