Cover of the textbook Identity B1+

The key answer of exercise 3

The key to exercise solutions in chapter Trending Topics 2 for the textbook Identity B1+ with authors Elizabeth Sharman from Oxford University Press

Question

Read the Reading strategy. Then answer the questions according to the text.

Answer

  1. We should aim to get around 2.5 hours of physical activity and exercise every week.
  2. Running can be bad for the knees and ankles.
  3. Computer games can be good for the brain as they can be sociable, provide a sense of achievement, and develop advanced thinking and planning skills.
  4. Too much caffeine can put you in a bad mood, disturb your sleep, and potentially cause problems with your heart and cholesterol.
  5. Doctors recommend spending 20 seconds washing your hands every time you do it.
  6. People these days have more allergies because our homes are too clean, and children never develop any natural immunity due to the avoidance of dirt.
  7. The sun is most dangerous from 10 a.m. to 4 p.m.
  8. Vitamin D is important for our bodies because it helps make our bones strong.