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4． T： The black dog is taller than the brown dog. It’s 80cm tall. The brown dog is 55cm tall. And its tail is longer than than the brown dog. Its tail is about 28cm long. But the brown dog is stronger than the black dog. I like the brown dog. It’s funny. It’s funnier than the black dog. Which dog do you like?
5． 师再出示一张小猴的图片，说：Look at the monkey. What do think of it? 帮助学生回答：It is funny, too.师接着问Which one is funnier, the dog or the monkey? 帮助学生表达自己的看法，如：I think the monkey is funnier.
6． 师引出课文：Ben is watching monkeys at a zoo with his father now. What are the monkeys like? Which monkey does Ben like? et’s read the dialogue.
7． 学生听录音，理解对话，完成填充句子练习。师检查。 8． 放录音，学生跟读。 9． 学生做活动手册配套练习。 反思：
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第四课时
一、教学目标与要求：
1． 能够听、说、读、写形容词的比较级形式：heavier, longer, thinner, bigger和smaller.
2． 能够灵活准确地运用以上形容词比较描述人物和动物的特征差异。
3． 能够完成Let’s play部分的活动并在活动中相应的语言正确表达。
4． 能够理解story time中的故事。
二、教学重难点
1．重点是四会掌握五个形容词的比较形式。
2．难点是掌握以下形容词比较级的构成方式：heavy—heavier, thin—thinner, big—bigger.
三、课前准备
1． 准备录音机、B Let’s learn 和 C Story time 部分的录音带
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2．准备本课的教学挂图和单词卡片。
3． 准备一个汽球，一段弹力皮筋和一组对比明显的人物图片。
四、教学步骤 1． Warm up
放本单元Let’s chant 录音，学生和着录音吟唱， 师与生对话：T: How tall are you? S: I’m 160cm tall.
T: I’m 168cm tall. You’re shorter than me. You’re 2cm shorter than me.
2. 师拿出一个气球，请一名学生帮忙吹，“Please make it big.” 师带领全班学生跟随学生吹气球的节奏喊：Bigger, Bigger, Bigger！呈现该单词。然后师拿着已经吹大的气球，一点一点放出空气，说: Smaller, Smaller, Smaller!呈现并领读这两个单词。
3．师拿出一段皮筋，一边拉长，一边说：longer, longer, longer! 接着慢慢放松皮筋说：shorter, shorter, shorter!然后呈现并领读这两个单词。
4． 师拿一叠作业本：I have many books. They are heavy. 师一本一本往上加时说：heavier, heavier, heavier! 领读该词，请学生再次确认从heavy 到heavier的词尾变化。
5．师出示一组有强烈对比效果的图片，教学heavy, thin, thinner.师出示图片说:look , The boy is heavy. He wants to be thinner. So he does exercises everyday and eats less meat. He is thin
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after three months. He keeps doing exercises. He is thinner after another three months. 然后呈现thinner. 6．放录音，学生跟读单词。 7．Let’s play 8．Story time
9．学生做活动手册本部分的配套练习。 反思： 第五课时
一、教学目标与要求：
1． 能听懂、会说并能书写句型：“How heavy are you? I’m 48kg. I’m thinner than you and shorter.”并能在情景中正确运用。
2．能够完成Pair work 中的调查任务。
3．能够完成Let’s try 部分听录音选图片并填充句子的练习。 4． 能够了解Good to know部分的内容。
