In case listening test finished earlier than expected

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Across
  1. 3. (shine unsteadily, vary rapidly in brightness)
  2. 7. (intense brightness of light）
  3. 8. (you use your eyes to do what?)
  4. 9. (another word for symptoms)
  5. 11. (a kind of emotion)
Down
  1. 1. (everyone thinks different of its length)
  2. 2. (a number with six zeros behind)
  3. 3. ( _____ and square)
  4. 4. (let people remember things)
  5. 5. (a state of sleep)
  6. 6. (a place where you cook and eat)
  7. 10. (changes colors as (2) goes by)