B1U1

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Across
  1. 6. testing your abilities; difficult but interesting
  2. 8. a piece of writing or speech that describes sb/sth
  3. 9. a strong desire to know about something
  4. 10. several different types of the same thing
Down
  1. 1. the act of examining a place or subject to find out more about it
  2. 2. the ability to learn, understand and think in a logical way
  3. 3. an idea, feeling or opinion that you get about sb/sth
  4. 4. the feeling that you are sure about your own abilities
  5. 5. great enthusiasm and willingness to do something
  6. 7. a time or situation that makes it possible to do sth