Unit 7 How much are these socks(第2课时)讲课教师:学科:English课时:2总课时数:教 学 目 标知识与技能1. Words & expressions: color, black, white, red; big, small, short, long2. Key sentencesHow much is the red sweater? It’s eight dollars.How much are these black socks? They’re two dollars.过程与方法Learn to shop by some real things and practicing the conversations情感态度与价值观Learn how to buy and sell something with f..