Ex. 1, p. 40

1. A human body needs minerals, proteins, vitamins and certain fats to regulate its function.

2. Junk food can lead to obesity, dental problems and heart diseases.

3. Fast food, junk food and eating in a hurry make people fat.

4. It can be eaten without forks and knives.

5. We usually eat too much because we often do it in a big hurry.