Use of English part 1 vocabulary

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Across
  1. 5. We've .... all the latest safety features into the design.
  2. 7. We....the number of students per class to ten.
Down
  1. 1. The school has decided to adopt a different ..... to discipline.
  2. 2. There is, too, a sense of timelessness, stillness and silence which leaves a ... impression on visitors.
  3. 3. scientists are thus likely to have missed .... associations between incident diabetes and cognitive decline.
  4. 4. Scientists have come up with new ....about animals' vision.
  5. 6. the sun has a .... effect on skin