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本课使用的教材是初级中学课本人教版《英语》第三册Unit21,lesson18,这是本单元的第一课时，为听说课。这一课时的主要内容是复习巩固以前所学的购物用语，为下面的阅读理解课作铺垫。
二、教学对象分析
学生对本课的内容已有初步的认识，能简单地使用某些购物用语进行交流对话，但缺乏系统的归纳、总结。通过本课的学习，能对以往所学的知识进行系统的归纳总结，达到熟练掌握、使用购物用语，为下堂的阅读理解课打好基础。
三、教学目标
1、认知目标
1)掌握有关购物的日常交际用语。
2)掌握“be worn out”用法。
3)复习有关服装、日用品的名词及有关颜色的形容词(dark…，light…)?
2、情感目标
通过购物的情景教育学生运用礼貌的语言去参加日常活动。
3、发展智力目标
1)在特定的购物情景中掌握用语，通过听录音掌握正确的语音、语调，形成良好的语言习惯。
2)通过口、笔头操练，总结购物的日常交际用语，发展学生的逻辑思维能力。
四、教学重点
1、“购物”的有关交际用语。
2、“be worn out”的用法。
五、教学策略和方法
情景法、观察法、游戏法、演示法。
六、媒体的选择与应用
录音、投影、实物。
七、教学流程图
八、教学过程
Ⅰ、Revision
1) Greetings.
2) Duty report(Oral English training).
3) Review shopping expressions.
Ⅱ、Presentation
1) Listen to the tape.
2) Answer the questions about the dialogues.
3) Read the dialogues.
4) Under line some important expressions.
Ⅲ、Practise
1) Students summarize the“shopping expressions.”
2) Read Slide Show I.
Ⅳ、Consolidation
1) Play game, “shopping” in the“Lucky shop” in 13 groups. (One student acts as the shopkeeper, the other as the customer. They perform how to buy things in front of the class. The teacher shows: dark blue suit, light green dress, shoes, T-shirt, jactet, coat, pencils, erasers, schoolbags, PEPSI-COLA and milk on the desk). 2) Sum up.
3) Do Ex2 on page81 of students’ workbooks.
4) Do some exercises on Slide Show Ⅱ.
Ⅴ、Assignment
1) Home work.
2) End the lesson.
九、板书设计
unit21 L81
be worn out
suit“Lucky shop”
dark blue suit
light green dress
附设投影
Ⅰ
S: What can I do for you?
C: I’m looking for….
S: Which colour/What size do you want?
C: …, size….
S: What/How about…?
C: I like…, but it’s/they’re not…enough.
Have you got any other kind/size/colour?
S: I’m afraid we haven’t got….Is/Are…better?
C: How much do/does they/it cost?
S: …yuan/dollars.
C: That’s…expensive/cheap. I’ll think about it.
Have you got anything cheaper? Can I try it/them on?
S: Certainly. No hurry. Please take your time.
C: I’ll take…. I don’t think I’ll take….
S: Here you are, Thank you.
Ⅱ
S: Can I 1 you, madam?
W: Yes, I’d 2 a pair of blue shoes.
S: 3 size do you want?
W: Sizes even.
S: I’m 4 we haven’t got any blue shoes now; but we've got some red ones.
W: Hmm. Have you got any 5 kind?
S: What 6 those shoes over there?
W: Well, that pair looks very nice, How 7 do they cost?
S: Eighty-eight yuan.
W: Hmm! That's a 8 expensive. Can I 9 them on, please?
S: Certainly!
W: The pair fits me very well. I'll 10 them.
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