text. Before giving students the answers, ask them to discuss first.

In this procedure, students should sum up the main ideas by themselves first, then discuss with group members.

(cooperative learning)

Main idea: If we want to keep up with the high pace of modern life, we had better learn to make the right choices about what and how we eat.

T: Now let's sum up the main idea of each part. This time I will play the tape for you. While listening, please think carefully and decide how many parts the text should be divided into.

After listening to the tape, Ss will think carefully and then they will discuss with their group members. Then some spokesmen will stand up and speak out their opinions.

T: OK. I'm glad you have thought actively and had a heated discussion. Let's look at the suggested answers.

(Show the suggested answers on the Powerpoint.)

The main idea of each part

Part 1 (Para. 1):

In order to keep up with the high pace of modern life, we had better learn to make the right choices about what and how we eat.

Part 2 (Para. 2):

Different foods have different nutrients and different functions.

Part 3 (Para. 3-5):