to read the passage about festivals around the world 3. to generalize and compare the similarities and differences. 二、预习检测 1.check the students’ homework---festivals. 2.discussion 1).what festivals or celebrations do you have in your city or town? 2).what kind of information you think will be introduced in the passage? 三、质疑探究 1.how to grasp the main idea of the reading passage? 2.how to know well about the details in the passage? 四、精讲点拨