<正>Ⅰ.Teaching Aims and Requirements 1. By observing the picture and the title,students learn to predict the main idea of the text. 2. to get the students to understand the contents and the structure of the text by scanning reading.3.make students to develop the spirit of never giving up In the face of difficulty.Ⅱ.Teaching Key Points 1.To make clear to students the contents and the structure of the text 2. To enable students to get the main idea of the text