Unit 21 Theory and concepts, exercise 1

Choose the best preposition to complete the sentences.

  1. Einstein's special theory relativity was published in 1905.
  2. Our analysis is based data from the 100 largest companies.
  3. this hypothetical scenario, two agents are negotiating over the purchase of a camera.
  4. He defined ageism "a process of stereotyping and discrimination against people because they are old".
  5. Health issues need to be viewed the context of a person's way of life.
  6. The Earth has experienced warming and cooling many times in the past, as inferred geological records.

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