S2:The mouse is the slowest.
T：Good job!Now,read all the words together.
S:（Review another words after the teacher）
（评：通过多媒体图片生动的展示了旧知识，复习了旧知识，增强学生的自信心，让他们对学习更积极，为下一步的学习做好了充分的准备。）
Step 2、Practice 1
T: Your’re so clever ,now let’s have some practices about practice 1.Please open your English books,and listen carefully.
（多媒体播放）
T: Look at the pictures,who’s the tallest in the class?Tony、Jenny、Ben or Lisa?Who can answer my question?
S1: Tony’s the tallest in the class. （stand up）
T: Good.（Write down the questions in the blackboard.）
T: Guess! Which is the biggest?
S1:Elephant is the biggest.
S2:Hippo is the biggest.
T:Maybe.Listen carefully!（多媒体播放）
T:Wow.It’s the elephant. Elephant is the biggest.
T:Boys and girls.Read this sentence together.（齐读问句）
T:Listen! （多媒体播放）