第一辑 Unit One Greetings问候 Unit Two Introductions介绍 Unit Three Leave—Taking告别 Unit Four Listen and Read听与读 Unit Five Review复习 Unit Six Asking for Directions问路 Unit Seven Weather天气 Unit Eight Shopping购物 Unit Nine Listen and Read听与读 Unit Ten Review复习 …… 第二辑 第三辑 第四辑