Teaching aims 1.Improve students’ ability and provide practice 2.Master and use some useful words and expressions 3. Have a debate to express and support your opinions Procedures
: step 1 Leading in 1. Appreciate some film pictures about “man ands nature” 2. Ask and answer some relevant questions such as: Are you afraid that something similar may happen in the future? What’s your opinion towards the relationship between human beings and nature? step 2 Reading 1. Listen to the tape then give out the gist of each paragraph 2. Read again then answer some questions such as: （1） What have people done to nature? （2）If we continue in this way, what might happen? （3） Which is more important, economic development or protecting nature? （4） Do you think the problem of humans winning and nature losing can be settled? If so, can you suggest some solutions? 3. write the tittle of the second article “GM food: hope or danger?” on the blackboard. Have students predict what will be talked about in the article. 4. Have students read the article and answer the following questions: (1)What are people’s different attitudes towards the study of genetics?
(2) What is one aim of GM research talked about in the article? （3）What are the problems about GM food and GM plants? （4）What is many countries’ attitude towards GM food? Why do they hold such attitude? step 4 Homework Write an essay on any topic that you’re interested in by using the
techniques you learned from a debate.