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.