2. Work in pairs.one student asks,and the other student answers.

T will show a picture of Yaoming,and asks"Was he tall then?".And then T will show another picture of Yaoming who is about 10.T will help Ss answer the question"No,he wasn't."

3.play the video about Activity 1(先让学生整体感知活动1中的对话)

T:Do you know "strong"?

Ss:Yes.

T:Who can act "strong" for us ?××,please.

play the video again (让学生看图，跟读，模仿正确的语音、语调，并播放两遍)

T:Now,look at the screen and read after it.

T:Now,try again.

4.Work in pairs,read the dialogue,then act the dialogue.

T:Now,Work in pairs,read the dialogue.

T:Now,this time,please act the dialogue.

Step2:Task presentation

1. T shows a group of pictures to the students

T: Now,look at these pictures,and guess where it is.

S1: Guangyuan?

T: No.

S2:Chengdu?

T:Yes,it is.This is Chengdu .