U1 W5 Vocabulary Crossword

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Across
  1. 1. to move forward or progress in development
  2. 5. an opposing opinion or viewpoint
  3. 6. a careful examination and study of something
  4. 7. to get at or into something
  5. 8. to mention as proof or support
Down
  1. 2. things that make something more difficult or unpleasant; disadvantages
  2. 3. individual facts, figures, and other items of information
  3. 4. the possess of drawing conclusions from facts; clear and sensible thinking