unit 7

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Across
  1. 2. an event, a discovery, an invention, etc. that marks an important stage in sth.
  2. 3. to use sth. effectively
  3. 6. to say officially that sb. or sth. has a particular character or name
  4. 7. performing several operations at the same time
  5. 10. of the usual, traditional, or accepted type, instead of being new and different
  6. 11. sb.'s ability to do sth
  7. 12. to experience important events or changes
Down
  1. 1. the process of sending power or energy from one place to another
  2. 4. in the same way
  3. 5. to save sth. or sb. from being harmed or destroyed
  4. 8. believing that good things will happen in the future, or feeling confident that you will succeed
  5. 9. to make an effort to help sth. grow or develop