1. Completing a bulletin board about human cloning.

2. Discussing whether human cloning is a good thing or not.

3. Reporting to the whole class.

Step Ⅱ Self-assessing

In this period, the teacher gains a better understanding of students' performance, enabling himself or herself to help students study English more effectively.

Have the students do Part 1 on page 46. Encourage students to express their own opinions individually.

T: The last step in study is to learn to make self-assessment. On learning something new, we should make clear what we have achieved and what else you can do to improve your study. In this period we are going to make self-assessment on what you have learned in this unit. First, what is your favorite lesson in this unit? Why is it your favorite lesson?

S: I think my favorite lesson is Lesson 1 Super Athletes. I like it because from this article I learn about something that I don't know before-doping occurs in many sports fields, for example, Ben Johnson was caught taking drugs in the 1988 Olympics. I don't think it's a good thing and I hope all athletes in the world should remember the spirit of competition-taking part rather than winning. And I learned to talk about doping and the sporting world.

S: I don't like most of the lessons in this unit. They are about doping-a kind of cheating, epidemics that have a bad effect on human beings and human cloning, etc. These lessons put much pressure on us and we feel the threat from the development of science and technology. After I read all these articles, I don't feel relaxed but much depressed.

S: I prefer the article in Language Awareness 6. It's about Lance Armstrong-one of the greatest athletes in the world. Before reading this article, I know little about his fighting against his illness. I like the story immediately I finished reading it. Personally, I think we must learn something important from Lance Armstrong. When we're faced with difficulties in life, we should never lose heart or give in but have courage to overcome it. Only in this way can we realize our dreams and be a