教材分析: 这节课是人教版小学英语四年级上册第三单元第一课时,主要谈的是如何形容朋友或别人的外貌特征.再一次学习如何关心自己旁边的事物.
学情分析: 通过上两个单元对学生旁边事物的学习,这节课对学生的吸引力也是较大.这节课要充分利用好一情景资源,学生周围的人物来调动学生的学习热情,更好地让学生学习并掌握本课 的内容.
教学目标:
1．能听懂会说My friend is strong. He has short hair....
2．会用long hair, short hair, thin, strong, quiet等词简要描述一个人的模样和特征。
3．能听、说、认读单词和词组：friends, long hair, short hair, thin, strong, quiet
教学重点：
1．句型：Who's he/she? Who's your best friend?
2．词汇：hair, thin, strong, quiet
教学难点：
1．发音：friends, thin
2．名词复数的使用
教具准备：
1．画有猴子、兔子、长颈鹿、梅花鹿的图片
2．Amy, ChenJie, Sarah, Mr Black的面具或头饰
3．教材相配套的教学课件［Unit 3，Let's learn／A］
教学过程：
Step1 Warm-up
1．猜谜语。教师说，学生猜。
It's so big. It has a long nose and a short tail. What is it? (An elephant)
It's small. It has two long ears. What is it? ( A rabbit)
2． 教师出示猴子和兔子的图片，启发学生说：The monkey has a long tail. The rabbit has a short tail. 教师再出示长颈鹿和梅花鹿的图片，让学生说出：It's tall. It's short.
3．复习单词big, small, long, short, tall, 并说出中文意思。
Step2 Presentation
1． long hair, short hair和friends
ChenJie的面具
T: Who is she?
Ss: ChenJie
T：She has long hair. （一边说一边做动作帮助学生理解并板书）
Amy的面具
T：Who is she?
Ss：Amy。
T：She has short hair. （一边说一边做动作帮助学生理解并板书）
两个面具
T：ChenJie and Amy are friends. They are friends. (板书)
学生看着面具在教师的提示下学说：She has long hair. She has short hair. They are friends.
教师出示单词卡教读long hair, short hair和friends。（把单词卡贴在黑板上）
先全班,再分小组,个人读
练习: Sarah和Miss White的面具
T: Who is she?
Ss：Sarah
She has long hair. (教师把面具贴到黑板上相应的单词前，鼓励学生说出
T: Who is she?
Ss：Miss White
She has short hair. (教师把面具贴到黑板上相应的单词前，鼓励学生说出)
2．thin和strong
教师指着班里很瘦和长得很健壮的同学说：She is thin. He is strong.并让学生指着班里的同学学说这两句话。教师出示单词卡教读thin和strong。
教师要提醒学生在读thin时，注意咬舌尖儿。
练习:ZhangPeng和Mr.Black的面具，并把它们贴到黑板上相应的单词前，让学生说出：He is strong. He is thin.
3．Quiet
教师把右手的食指放在嘴上，做出让学生安静的动作，让学生说出单词quiet。并出示单词卡，让学生认读quiet。（把单词卡贴到黑板上）再把ChenJie的面具贴到这个单词前，让学生说出：She is quiet. 让学生翻译中文。
4．教师导入课文对话：John has a friend.你能根据他的描述猜出这个人是谁吗？让学生观看课件［Unit 3 Let's learn/A］教师问：Who is he ?(板书)
听录音带，跟读对话。［Unit 3 Let's learn/A］
5. 教师：你能根据我的描述猜出这个人是谁吗？My friend is thin. She has long hair. She has quiet. Who is she? (板书)
6．让学生模仿课文对话来描述黑板上所贴出的人物，让大家猜。
Step3: Practice
1．Let's find out
教师出示第一组单词：hair, eyes, ears, nose, mouth.
教师出示第二组单词：long, short, big, small
教师出示第三组单词：thin, strong, quiet, cute, tall, short
操作：让一个学生问：Who's your best friend?回答问题的学生可根据教师给出的提示来用英语描述这个人的模样和特征，让大家猜。看谁描述的恰当、准确，看谁猜得快。
教学板书：
The monkey has a long tail. long hair She has long hair
The rabbit has a short tail short hair She has short hair
big, small, long, short, tall friends ChenJie and Amy are friends.
They are friends
thin She is thin.
strong He is strong
quiet She is quiet
----------Who is she? hair, eyes, ears, nose, mouth
--------Sarah, long, short, big, small
She has long hair. thin, strong, quiet, cute, tall, short
She is thin