Unit 1 How tall are you?B Lets try & Lets talk教學目標1.能聽懂對話，并理解對話，完成相應的練習題。2.能詢問并回答鞋的碼數，即：What size are your shoes? My shoes are size 37. 3.能運用句型：How heavy are you? Im kilograms.來詢問和回答體