2. A + 实义动词 + as 副词原形 + as + B

　　Step4. Practice

　　Work on 3a:

　　Ask the students to do the exercises, then check the answers.

　　Work on 3b:

　　1. Ask Ss to think of himself/herself two years ago. Write about how they are different now.

　　2. Give an example:

T: S1, Are you taller now?

　　S1: Yes, I am. I'm taller than I was two years ago.

　　T: Pay attention to the tense. "I was two years ago."

　　3. Ss work by themselves. Read the sentences in 3b and write the other four sentences.

　　4. Check the answers with the class.

　　Step5. Group work

　　1. Tell Ss to read the chart first in 3c. Make sure they know the meaning of the words in the chart.

　　2. Ask one student the question:

　　T: Who is smarter, your mother or your father？

S1: I think my mother is smarter than my father.

　　3. Ss read the chart and check √ in the chart.

　　4. Work in groups. Ask and answer the questions with their partners.

　　5. Try to make a report.

　　Step6. Exercises

　　If time is enough, do some more exercises on big screen.

　　用所给单元的正确形式填空。

　　1. My hair is _____ (long) than my sister's.

　　2. I am ______(tall) than you.

　　3. She is _____ ______(outgoing) than me.

　　4. Lily is _____ (heavy) than Lucy. And Lucy is _____ (thin) than Lily.

　　5. I have _____ (short) hair than Tina.

　　6. Tom is ______ ___________ (hard-working) than Tim.

　　Step7 Homework

　　1. Review the grammar focus after class.

　　2. Write down the same and different between you and a friend.