（在上课之前布置学生复习形容词的比较级，并熟读第六课的故事、target；熟唱歌曲，教师继续在黑板上画好男女生比赛的图形，激发学生学习的积极性。）
Step 1、Warm up
T：Hello boys and girls. nice to meet you .
Ss : Nice to meet you too .
（出示标题9 The green fish is the biggest）
T :Today， we will going to learn Unit 9 The green fish is the biggest. First, let’s to sing the song《I am bigger.》
（多媒体出示song）
S: （Sing the song.）
T: Wow,so good!Do you remember this song?（播放音乐）
S:Yes, I can.
T:Let’s to sing this song《Who’s the tallest?》
（评：激发兴趣， 消除学生的紧张感，拉近师生距离，吸引学生的注意力，为学生营造了较好的学习氛围，为进一步学习奠定良好的基础。）
T：I’m so happy to hear that,you sing so good.Who’s better?
S1: …
S2：…
T：I think you are all better.But do you known who’s better in this picture?
（多媒体出示四组图）
Ss: Tony is better.
T：Who’s the biggest in this picture?
S1:The green fish is the biggest.
T：Yes,so clever. Look at here.Who’s the slowest in this picture?Mouse 、lion or snail?