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1、Unit 4 Then and nowPart B Lets try; Lets talk第3课时一、教学目标1. 能够听、说、认读单词：different，active，cycling。2. 能够听懂、会说、会表演Lets talk的内容，并在真实场景中运用Before, I was Now, Im 说出自己及他人的变化，并能正确运用时态。3. 能够听懂、会做Lets try部分的练习。二、教学重点及难点重点：1. 能够听、说、认读单词：different，active，cycling。2. 能够在实际语境中运用重点句型：Before, I was Now, Im 说出自己及他人的变化，并能
2、正确运用时态。难点：能够正确运用一般现在时和一般过去时进行对比表达事物。三、教学过程Step 1 Warm-upWatch and answer教师出示问题，让学生带着问题去观看视频。1. Where did the old lady live many years ago?2. Did the old lady have enough food many years ago? 观看之后，让学生讨论回答，并核对答案。设计意图：通过视频，让学生感知对话内容，巩固学过的内容。Step 2 Presentation1. Listen and circle（1）教师展示听前活动，让学生看图片，仿照给出
3、的例子对图片进行谈论，为听力活动做准备。（2）教师播放Part B Lets try的音频，请学生听音，边圈出正确答案。最后教师核对答案。T: Mikes friends are visiting his home. What are they talking about? Listen and circle.设计意图：通过听音圈答案，锻炼学生的听力水平，引入本课时的话题。2. Lets read呈现Part B Lets try的录音材料，请学生读一读。设计意图：通过听音跟读，巩固对话内容，为后面的学习打基础。3. Listen and learn教师让学生看课本Mike的两张图片，让学生说
4、说Mike的前后变化。然后播放Part B Lets talk音频，请学生感知对话内容。T: Look at Mikes old photos! How did he change? Now lets listen to a dialogue. 设计意图：通过观察图文和听音，让学生感知对话内容。4. Learn new words 教师讲解词汇。T: First lets learn some new words. Please listen carefully.(1) different教师呈现两个相同的图标和两个不相同的图标，由此引出单词same和different。老师带读，学生跟读。(
5、2) active教师呈现单词quiet和active的图片，让学生说出单词的意思。然后老师带读，学生跟读。(3) cycling教师出示cycling的单词卡片，讲解单词，并带读。设计意图：利用图文和课件，讲授本课的重点单词，帮助学生牢记。5. Learn new sentences （1）教师呈现重点句型，教师逐个讲解。T: Next lets learn some new sentences. Please listen carefully.教师讲解句型：Before, I was quiet. Now, Im very active in class. 以前我很安静。现在我在课堂上很活
6、跃。I was short, so I couldnt ride my bike well. Now, I go cycling every day. 我以前个子小，自行车骑得不好。现在我天天骑车。（2）总结重点句型：Before, I was Now, Im 说出自己及他人的变化，能正确运用时态。6. Listen and answer播放Part B Lets talk音频，让学生回答问题。最后核对答案。T: Now lets listen and then I will ask some students to answer the questions. (1) Does Mike li
7、ke pink now?(2) What was Mike like in class?(3) Who go cycling every day?设计意图：通过问答练习，巩固本课时的重点知识，加深对对话的理解。7. Listen and follow播放Part B Lets talk音频，让学生听音跟读。T: Now youve got to listen and follow. Pay much attention to the pronunciation.设计意图：引导学生通过看、听、说等途径来巩固对话。Step 3 Practice1. Listen and fill in the b
8、lanks播放Part B Lets talk音频，让学生听音补全句子。T: Now youve got to listen and fill in the blanks. Pay much attention to it.设计意图：通过听音填空，进一步巩固对话内容。2. Read and match教师让学生读Part B Lets talk部分的对话，并将John和Mike的前后变化连线。T: Well done! Now read the dialogue and find the changes of John and Mike. Please match the person and
9、 the changes. 设计意图：通过听音连线，进一步加深学生对对话的理解。3. Read in roles.教师让学生三人一组，分角色朗读课文。T: Now lets read in roles.设计意图：通过角色扮演，进一步加深对对话的理解。4. Look and say然后请学生用刚学过的句型说说自己各方面的变化。设计意图：利用课件，直观地讲授本课的重点句型，帮助学生牢记。5. Talk about your friends or family members教师让学生说说自己的朋友或家庭成员的变化。T: Now please look at the text book. Talk
10、about your friends or family members. How did they change?设计意图：通过给定的词组，让学生进行口语表达，锻炼学生口语表达的能力。6. TestMake sentences，教师让学生做连词成句练习。T: Now its time for you to take a test to check what youve learned.完成随堂检测。Step 4 SummaryT: At last, lets summarize the key points of this lesson. 词汇：different, active, cycling句型：Before, I was quiet. Now, Im very active in class. I was short, so I couldnt ride my bike well. Now, I go cycling every day. Step 5 Homework1. 熟读Lets talk部分对话，并和小伙伴分角色表演。2. 说一说你的朋友或家人的变化。 3. 预习下一课时内容。板书设计：Unit 4 Then and nowdifferent, active, cyclingBefore, I was Now, Im
