英语人教版四年级下册Unit3A. Let’s learn.doc

Unit3 第1课时参考教案【内容来源】人教PEP 四年级下册 Unit3 【主 题】Weather【课 时】第1课时：A. Lets learn A. Lets chant一、教学目标1. 学习词汇：cold, cool, warm, hot, 并知道与这几种天气相对应的大致温度。2. 学习句型：This is the weather reportIt warm in Beijing today.3. 能听懂、会唱Lets chant部分的歌谣。4. 继续保持学生对学习英语的兴趣，培养学生积极与他人合作的优良品质。二、教学重难点重点1. 新单词的听、说、认读。2. 能听懂、会说句子This is the weather report. Its warm in Beijing today，初步了解我国几个不同城市的基本气候特点。难点1. 能在创设的情境中运用新学的单词和句型模拟天气预报。2. 单词weather中字母组合th的发音。三、教学准备1. 教师准备多媒体课件、教学音频、词卡、图片。2. 学生准备画笔和画纸。四、教学过程Step 1: Warm-up1. 课堂口语练习。T: Hello, boys and girls.Ss: Hello, Mr/Miss.T: How are you today?Ss: Fine, thank you. And you?T: Im fine, too.2. 学生先在白纸上画出几个钟表并标上时间，然后同桌合作就“时间”进行问答练习，如：S1: What time is it?S2: Its.Step 2: Preview由朋友要来中国旅游引出有关天气单词的教学，为本节课的教学做好铺垫。T: Are you happy today? Im very happy. And my friend is happy, too. Because he will travel around China. Who is he? Yes, he is my friend James. He will come to China, but he doesnt know what clothes he should take. Can you give him some suggestions? Good! In order to help him, we have to know the weather in China.（由情境和任务导入，激发学生的兴趣，调动学生的积极性。）Step 3: Presentation1. A. Lets learn.(1) 教师用手指着自己所穿的衣服，说：I am wearing a .What are you wearing? 引导学生说出自己所穿衣服的名称，如：shirt, jeans, shorts .T: Its warm today. (指着外面) So we wear shirts or T-shirts. Today we are going to learn about the weather. Now lets listen to a weather report.教师播放一段简单的英文天气预报实录。学生听完后，教师说：This is a weather report. 同时呈现单词卡片，领读weather report.(把卡片贴到黑板上。)教师要注意提醒学生：读“weather”中的字母组合“th”时要咬舌尖。(2) 教师播放“Lets learn”部分的课件，先让学生观看，然后师生对话，如：T: Is it a weather report?S: Yes, its a weather report.T: Is it warm in Lhasa?然后教师点击句子：Its cool in Lhasa.引导学生回答：No. Its cool in Lhasa. 让更多的学生重复朗读。告诉学生：拉萨位于我国西藏自治区，那里的天气很凉爽，“cool”形容天气凉爽，而“warm”一词则形容天气暖和。教师说：Its warm in Beijing. 并引导学生跟读。然后教师将单词卡“warm”和“cool”贴到黑板上，带着学生朗读单词。教师提问：Where is cool? Where is warm? 启发学生回答： Its cool in Lhasa. Its warm in Beijing.教师还可以鼓励学生用单词“warm”和“cool”描述我国其他城市的天气状况，如Its warm/cool in . 如果有不符合实际的叙述，教师可以用It isnt warm/cool in . 进行纠正。让学生观察书中插图，回答：Which city can you find in the map?学生回答：Harbin, Hong Kong.教师说：Its cold in Harbin. Its hot in Hong Kong.然后教师用肢体语言诠释“hot”和“cold”的意思，并领读单词。(把卡片贴到黑板上。)教师说：Its cool in Lhasa. Its warm in Beijing. What is the weather like in Harbin? 引导学生说出：Its cold in Harbin. 教师接着提问：Whats the weather like in Hong Kong? 引导学生说出：Its hot in Hong Kong.教师出示中国地图，边指边说：Here is Beijing. What is the weather like in Beijing? 学生回答：Its warm in Beijing. 教师接着提问：Whats the weather like in Harbin/Hong Kong/Lhasa? 学生分别回答：Its cold in Harbin. / Its hot in Hong Kong. / Its cool in Lhasa.2. A. Lets chant.(1) 教师用课件出示冬天下雪的图片，说：Look, its winter now. Its snowing. I feel cold. What should I do? 并边说边做“冷”的动作，引导学生回答：You should wear warm clothes.教师用课件出示春天阳光明媚的图片，说：Winter goes and spring comes. It is warm now. Its warm inside. I wear warm clothes. What should I do? 引导学生回答：Take off some clothes.(2) 教师播放两遍歌谣录音，全班学生跟着录音唱歌谣，然后让学生分男女生比赛唱歌谣。(3) 帮助学生明白在不同的季节要穿不同的衣服。Step 4: Extension1. 练读单词。学生分小组进行，一名学生读，其他学生边听边指着课本上相应的单词（如果听出读的有错误，及时帮助纠正），这样进行完一轮后，再换另一名学生读单词，以此类推。（通过小组内成员间轮流读、轮流听，达到互相学习、互相纠错的效果。）2. 学生拿出自己课前准备的画笔和画纸，画出自己最喜欢的天气图，并用天气预报的形式介绍给自