【正文】
Unit 3 Back to the past Wele to the unit Teaching Objectives: 1) Get students to conduct a free discussion about ancient civilizations. 2) Encourage the students to share their ideas with each other. Important points and difficult points: 1) Students are expected to describe what they have known about the ancient civilizations. 2) Encourage the students to municate with classmates. Teaching procedures: Step1 Leadin Answer Questions ? Do you like traveling? Why? ? Where have you been? ? Will you please tell us something about your t