选必一 1-3

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Across
  1. 5. a final decision or judgment.
  2. 7. to judge or assess the value of something.
  3. 13. a fact or condition affecting a situation.
  4. 15. to accept or admit the truth of something.
  5. 17. based on the methods of science.
  6. 18. a system of ideas to explain something.
  7. 20. dedicated to a cause or activity.
Down
  1. 1. very many.
  2. 2. clearly different or separate.
  3. 3. absolutely necessary or essential.
  4. 4. a particular type of solid, liquid, or gas.
  5. 6. to deduce or conclude from evidence.
  6. 8. to examine something in detail.
  7. 9. based on what seems to be true.
  8. 10. a mathematical rule or a method.
  9. 11. a goal or aim; not influenced by personal feelings.
  10. 12. to win a victory over someone.
  11. 14. to demand something forcefully.
  12. 16. something owned; a characteristic quality.
  13. 19. extremely important or necessary.