The emphasis of this period will be placed on listening and speaking.There are altogether two texts for the students to listen to in this period£ºone is in the Student's Book and the other is in the Workbook.The first one(on Page 31£¬Listening and speaking)is a conversation between two people£¬Li Bin and Professor Keeling£¬who is a scientist studying global warming.Professor Keeling has been mentioned in the reading passage on Page 26.The listening text is a radio interview about the use of fossil fuels and other sources of energy.It contains examples of the focus function for this unit£ºagreement and disagreement.While listening to Part 1 for the first time the students are asked to decide which statement in Exercise 1 Professor Keeling does NOT agree with.Then students are required to listen to Part 1 again and tick the energy sources that are mentioned in the text.After listening to Part 2 students are asked to list three things they can do to save energy.At last they should also listen to Part 2 again and fill in the blanks in Exercise 4.

The second one(on Page 65£¬Listening Task)involves an environmental organization.A student£¬Tom£¬is giving an oral presentation.As with most oral presentations that students give£¬Tom has some visual aids to go with his talk.Students will first be required to listen to the whole speech to get the general idea£¬and then listen again and take some notes about some facts mentioned in the speech.