Section 4In this section, you will:v first review the type of writing: exposition v learn about a writing skill: comparison and contrast v read Text B in Unit 3 and discuss its writing strategyv learn to use comparison and contrast in essay writing Teaching ProceduresI. Introduction (1period) * Exposition * Comparison and ContrastII. Professional Reading (0.5 period) * Text B American Family Life : The Changing PictureIII. Essay Writing (0.5 period) * Title: Recent Changes in Chinese Family Life