TOEFL Lesson 4

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Across
  1. 5. a shortened form of a word or phrase.
  2. 7. a form of nonverbal communication. They are a primary means of conveying social information between humans
  3. 9. (especially of a system or machine) achieving maximum productivity with minimum wasted effort or expense.
Down
  1. 1. reducing the amount of time needed to do something.
  2. 2. to hold back / prevent
  3. 3. communicate (a message or information).
  4. 4. the quality of being coherent and intelligible.
  5. 6. requiring no physical or mental exertion.
  6. 8. to interpret (something, such as a statement or action) wrongly