3.Ask students to work in pairs like this and make their own conversations about the people in the picture .

2. Say the sample conversation again with a student.

1. Point out the sample conversation in activity 1c.

3.Check the answers.

Step5. Pair work (cultivate the cooperative learning)

2. Play the tape.

1. Ask students to listen to the conversations and number the twins.

4. Task 1. What’s change in your life? (use the photos )

Step4.Practice

3.Ask students to describe each picture in activity 1a.

(Appliance Teaching--应用教学)

2. Ask students to match each word with the opposite in activity 1a.

1. Ask students to read these sentences again.

Pedro is taller. Pedro is heavier than Paul .

Paul is thinner than Pedro.

Tina is wilder than Tara.

　Tara is calmer than Tina.

　Sam is wilder than Tom.

　Sam has longer hair than Tom.

　Tom is calmer than Sam . Tom has short hair than Sam.