Cover of the textbook Cutting Edge Upper-Intermediate - Student's Book

The key answer of exercise Practice 3

The key to exercise solutions in chapter 08 - Language focus 1 for the textbook Cutting Edge Upper-Intermediate - Student's Book with authors Sarah Cunningham, Peter Moor and Jonathan Bygrave from Pearson Education

Question

Listen to some experts on a science programme and compare your answers.

Answer

  1. Yes and no: they don't close their eyes, but they are less active at certain times.
  2. Because they have thick layers of fur and dead skin on their feet.
  3. Yes, a sound of 200 decibels could kill you.
  4. No, they can't catch diseases, but they can have an allergic reaction to plants.
  5. Because a chemical in them tricks your body into thinking it is being burned.

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