The key answer of exercise 2

a)

1. eat lots of fruit and vegetables
2. take the stairs, not the lift
3. walk to work
4. ride a bicycle
5. drink eight glasses of water a day
6. do an hour of exercise each day
7. sleep seven to eight hours a night
8. go to the gym or an evening class
9. do physical jobs around the house

b) -

c)

1. Exercise: 2, 3, 4, 6, 8, 9 Not exercise: 1, 5, 7
2. -
3. Don’t smoke or drink unhealthy drinks, eat healthy food with less fat and sugar, use the car less