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1、 Unit4 Then and now教学内容：Unit 4 B Lets try ， Lets talk课时目标：1、能听懂“Lets try”部分的录音内容并完成练习。2、能听懂“Lets talk”部分的对话，掌握本节课的重点句型并能在实际情景中交流。3、学会谈论彼此的外貌和性格变化。4、培养学生的语言交际水平；教育学生要珍惜时间。重点难点：1、能听懂“Lets talk”部分的对话，掌握本节课的重点句型并能在实际情景中交流。2、学会谈论彼此的外貌和性格变化。难点：1、谈论彼此的外貌和性格变化。2、提升学生的语言交际水平。教学准备：教师准备多媒体课件；学生每人准备一张自己小时候的照片。教
2、学过程：一、Warm-upT：Do you have sharp eyes? Lets see who has sharp eyes. Please read them quickly.在学生抢答单词时，教师适时评价：Yes，is tall/quiet/thin.二、Preview1、T：Now,please come and look at some old photos.解释“old photos”.师出示一张自己的旧照，提问：Whos she? Yes, its me. Before, I had short hair. Now, I have long hair. Before, I
3、liked black. I didnt like pink. Now I like pink. Before, I was young . Now, Im a little old.2、师出示图片，提问：Before, could he ride a bike? Now, can he ride a bike? 导入：We are all different now. Today, we will learn how to talk about the changes.三、Presentation1、Lets try首先，带领学生读题，解读题意。课件出示问题：What are they ta
4、lking about? What grade was Mike in? 然后，教师播放本部分的教学录音，学生带着问题边听录音边选出正确的选项。集体核对答案。师再次播放教学录音，全班学生一起跟录音读，提醒学生模仿录音中的语音、语调。2、Lets talk(1)介绍对话情景。T：The children are looking at Mikes old photos and talking about their changes. What were they like before? What about now? Please have a look at the two pictures.
5、(2)引导看图。T: Whats Mike wearing before？What did he like? What about now? Was he active in class before? What about now?(3)让学生自读课文，完成Read and match.(4)引导学生Fill in the form.(5)师播放教学录音，学生听录音跟读；再次播放录音，男、女生分角色读。(6)T: How did Mike change? 引导学生Retell the dialog.四、ConsolidationExtension1、引导学生结合自己的旧照片，用：Before
6、，I was. Now, I am. Before, I couldnt Now, I can说句子。2、T：How did Yao Ming change? 引导学生结合图片说句子。3、T: Please talk about your friends or family members. How did they change?学生两人小组练习对话，指名表演。五、Summary师生一起总结本节课所学的词汇和句型，教育学生：Cherish your time! Cherish your life!六、HomeworkThink and write.板书设计: Unit4 Then and nowThe Third PeriodBefore, I was/had/liked/didnt like Now, I am /have/like/dont likeBefore, he couldnt /was/liked Now, he can/is/doesnt like