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1. That’s the tallest dinosaur in this hall. 2. It’s taller than both of us together. 3. How tall are you? 4. I’m 1.65 meters.
二、读一读，写一写，译一译（给出它们的比较级）
1.thin________2.heavy________3.big________4.small________5.strong______
Step 2. 新课内容展示（用时15分钟）
请两个胖瘦不一样的孩子到讲台上T:Who is thin? S: A is thin.
T:Who is heavy? S:B is heavy
T: Yes, A is thin. B is heavy.(板书 thin, heavy)
2.选两个个子较瘦的孩子：T: They are thin. Who is thinner? S:A is thinner.
T: 板书thinner,提醒孩子们观察thinner的写法。再用相同的方法教heavier.
3选两个大小不一样的书包进行比较，引出big, small.
T : Which is the bigger schoolbag? What color is it?
Ss: The yellow schoolbag is bigger.(板书big _ bigger)
T: Which is the smaller one? What color is it?
S: The red one. (板书small_ smaller)
4.做一个强壮的手势教strong,抽两个孩子做相同的手势比较，教stronger.
T: Ask one boy pupil: How heavy are you? Help him answer: I’m 54 kilograms.
T: Oh! You are heavier than me. 板书教读。
5.听录音。学生跟读。
Step 3. 合作交流，师生共建（用时10分钟）
1领读Let’s learn 中的句子。并纠正读音。
. T:How heavy is Jim? S:He is 52 kilograms.
T:Who is heavier Jim or John? S: Jim.
T:Say Jim is heavier than John. S: Jim is heavier than John
请孩子们归纳总结黑板上的比较级形式，强调：heavy_ heavier(变y为i加er) big_ bigger thin_ thinner(双写加er)
四人一组合作学习Match and say然后表演。灵活运用所学单词句子
Step 4. 达标检测（用时5分钟）
一、写出下列形容词的比较级
1.big________ 2. small ________ 3.thin________ 4. Heavy________ 5.strong________ 6.happy________ 7. angry________8.hot________
二、读句子，选图片