1a
Before the students open their books, ask them if they have an active lifestyle. Elicit from a few students what kinds of activities they think they spend the most energy on.
Ask the students to read the list of activities in the exercise and put them in order of how much energy they require.
1b
Ask the students to listen to the recording in order to check their answers. Remind them that they are listening for specific information and that they can ignore other details for now.
ANSWERS: Body functions take up the most energy, followed by physical activity and digesting food.