英语人教版四年级下册Unit4 A. Let’s talk.doc

Unit4 第2课时参考教案【内容来源】人教PEP 四年级下册 Unit4 【主 题】At the farm【课 时】第2课时：A. Lets talk A. Lets play一、教学目标1. 学习词汇：these, your, yum。2. 学习句型：Are these.?Yes, they are.No, they arent.3. 能在创设的情境中灵活运用句型What are these?和Theyre .4. 鼓励学生多体验生活，了解自己日常食用的蔬菜。二、教学重难点重点1. 能听、说单词these, your, yum。2. 能听懂、会说句子：Are these.?Yes, they are.No, they arent.难点1. 单词this和these的区别和联系。2. 单词these的用法。三、教学准备1. 教师准备多媒体课件、教学音频、作为奖励的小礼物、胡萝卜。2. 学生准备人物头饰。四、教学过程Step 1: Warm-up1. 课堂口语练习。T: Hello, boys and girls.Ss: Hello, Miss/Mr.T: Nice to meet you.Ss: Nice to meet you, too.T: How are you today?Ss: Fine, thank you. And you?T: Im fine, too.2. 教师播放“A. Lets chant”部分的歌谣录音，全班学生跟着录音唱，活跃课堂气氛。Step 2: Preview教师说谜语，引导学生用“Are they .? ”来猜猜是什么蔬菜。They are red. They look like apples, but they arent apples. What are they?They are tender and green. What are they?They are long and orange. Rabbits like eating them. What are they?They are round, pink and white. What are they?They are brown. French fries are made of them. What are they?如果学生猜对了，教师回答Yes, they are. 并拿出相应的单词卡片请学生拼读；如果猜错了，教师回答No, they arent. 再请其他学生猜，直到猜对为止。然后教师和学生一起聊一聊各自喜爱的蔬菜。Step 3: Presentation1. A. Lets talk.(1) 教学单词these, try和yum。教师拿出一根胡萝卜，说：This is a carrot. 再拿出几根胡萝卜，说：Look, these are some carrots. 然后教师将这两个句子写在黑板上，并画上相应数量的胡萝卜让学生对比，知道单词these的意思及其与单词this的区别和联系。教师提问：Who can draw carrots? Who want to have a try? 然后从举手的学生中挑选两位学生在黑板上两个句子旁边画上相应的图片。This is a carrot.These are some carrots.教师指着学生的图片，问Whats this?/What are these? 引导学生回答：Its/Theyre. 教师给学生布置其他任务，如擦黑板、开门等，在布置任务前，教师对生说：Have a try, please. 帮助学生明白单词“try”的意思。 教师拿起胡萝卜吃一口，做出很享受的表情，并说：Yum! 帮助学生明白该单词的意思。(2) 介绍对话情境。T: Mike and Sarah are at the farm. They are talking about the vegetables at the farm.(3) 教师播放对话录音，全班学生跟着录音读对话，提醒学生在跟读的过程中注意模仿录音中的语音、语调。(4) 教师再次播放对话录音，学生听完录音后回答下面的问题。 What are so big? What colour are the tomatoes? How are the tomatoes?Answers: Carrots. Theyre yellow. Theyre good.(5) 教师第三次播放教学录音，全班学生分角色跟着录音读对话，提醒学生注意对话中农民说“Try some. Theyre good.”时的期待和骄傲之情。(6) 学生拿出人物头饰，三人一组合作练习表演对话，提醒学生在表演时注意加入适当的表情和动作；然后教师请几组学生上讲台表演，评选出“最佳表演组”，并给予小礼物作为奖励。2. A. Lets play.(1) 教师请三位学生上讲台戴上头饰表演对话。(2) 让学生同桌合作，结合本部分的三幅情境图，仿照示例进行替换练习，教师请三对学生上讲台分角色表演，表扬对话流利、表演到位的小组。Step 4: Extension1. 将学生分成六人一小组，出示蔬菜图片，运用句型What are these/ those? Are these/those.? 练习对话。2. 教师巡视课堂，给予指导。3. 指名学生进行表演。Step 5: Summ