Picture four:

　They are playing basketball. Healthy

Picture five:

　They are drinking alcohol. Unhealthy

Picture six:

Step II Reading

Go through the first two and the last paragraphs then answer the following questions:

1.Who wrote the letter?

2.To whom?

3. What is the purpose of the letter?

II Detail reading

Read paragraph 3 and paragraph4 carefully and fill in the blanks.

III Reading and summary

What suggestions does it give for smoker to quit smoking?

(How can I stop smoking?)

Step III Practice

Step IV Homework

Write a passage about "Smoking is a habit".