Step Ⅱ.Presentation.

1. 教帅板书 Lesson 2 ，the second [′sek+nd] lesson，领读两遍，并说：

Today let’s learn Lesson 2（the second lesson）.

1. 事先准备一个包，内装一长一短两把尺子和一大一小两张纸，将包放

在讲桌上。请一位学生到讲桌前，然后进行师生问答： T：What’S in the bag？

b：There are two rulers in it.

T：show them to me，please. Oh，book！This is a long ruler，and this is a short one.

（这样引出 a long ruler/a short ruler）

用同样的方式教 a small Piece of Paper 和 a big piece of paper. 注意 two/three pieces of paper 不能写风 papers.

1. 教师在黑板上用简笔画画出一高一矮两个男孩，边画边说：There are two boys on the Bb. One is tall（板书[t&:l]），the other is short. 然后进行问答：

T：What’S this？

S：It’s a tall/short boy. T：Is this boy Short or tall？ S：This boy is tall/short.