教学目标：
（一）知识
1．掌握句型：Why…？ Because…
2．了解单词：snowman, smaller, think，throw，slide
（二）能力
要求学生在实际生活中能够用英语询问并回答做某事的原因，会说我认为我能做某事并能用英语表达冬天有趣的活动。
（三）情感
让学生养成爱思考的好习惯，在学习和生活中多问一些为什么并使学生感受冬天的乐趣，从而喜爱冬天。
教学重点：
句型：Why…？ Because…
用英语描述堆雪人的过程。
教学媒体：
电脑、图片
教学过程：
Class Opening and Review
GREETING
REVIEW
Play a game: Point to your eae/nose/arm...
Key Concepts
Why? Because___.
INTRODUCE
T: Where 's my scarf? I want to put on my scarf. Why? Because I feel cold. Now I'm putting on my scarf. Where's my mittens? Oh, I'm putting on my mittens.
T: I feel warm. But I must take off my mittens. Why? Because I can't write on the blackbord.
Teach why and because.
PRACTICE
Show the pictures and the students answer.
The students ask and answer with Why______? Because _______ .
DEMONSTRATE
T: We know there are four seasons in a year. What are they?
T: In these seasons, I like winter best. Why? Because in winter, there is ice and snow. I can do many things.
Show the pictures and fill in the blanks.I like to _____ on the ___.and I like to ___ on the _____.
T: And I can make a snowman. Do you know what it is? Show the picture and introduce snowman. Explain This is a snowman.and These are snowmen.
STUDENT BOOK
T: How can we make a snowman? Ｌet’s look. Play the dialogue.
Say how to make a snowman.
DRAW A PICTURE
The students say how to make a snowman when they draw on paper.
Then ask the students to say and the teacher draw on the blackboard.
Play the dialogue. Introduce make snowballs and throw them/slide on the snow.
Talk about: Li Ming wants to go inside. Why?
PRACTICE
Talk about: Do you like winter, why?
Class Closing