4. Presentation （呈现新知识）

　Show a picture with Bob and Helen and have Ss guess what Bob would say to Helen. The answer may be: Hello, Helen! or Good morning, Helen! 【教学设计说明】通过图画上的场景让学生进行猜测，满足学生的好奇心，也让他们了解Good morning 的使用。

5. Work on 1b （完成 1b）

　　(1) Play the recording for the first time. Ss only listen.

　　(2)Play the recording for the second time. Students listen and repeat.

　　(3)Play the recording for the third time. Students look, listen and repeat.

　　　T: Now please open your books to page S1. You can look at the conversations in your book. Let's listen and repeat.

6. Work on 1c （完成 1c）

（1）Have Ss practice reading the conversations in the picture in pairs. Move around the classroom when Ss are practicing. Give them help if needed.

（2）Greet Ss using their English names. The other Ss listen, watch and learn.