5 教师板书句型四会句型，由学生集体朗读。
6 Talk in pairs then ask and answer.
E Practice and consolidation练习和巩固
1 出示C部分的投影片，看图1，师生会话。
Who is taller ,David or Gao Shan
Who is taller than David?
Whose bag is heavier,yours or mine
2 根据实际情况学生分组讨论，后分小组汇报。
3 自己创设情景运用句型表演。
六 布置作业：
看C部分图片，仿造今天所学句型编写会话，各编写两段。
七、 板书设计
Unit 1 Who is younger ?
Who is taller than David ?
Gao Shan is.
Whose bag is heavier,yours or mine?
Yours is.