Unit3 Weather B Lets talk .doc

四年级下册 Unit 3 Weather Part B lets talk 一 教学目标：1.能够用正确的语音、语调朗读对话，并能进行角色表演。2.能够在情景中运用句型Whatstheweatherlike inNewYork?Itsrainy.问答某地天气情况；了解打电话用语Thisis.；了解温度的两种表示法（和）3.了解中西方对气温描述时的差异.4.应关注天气，及时更换衣服。二. 教学重难点：重点：在情景中运用句型Whats the weather like in New York? Its rainy. 问答某地天气情况。难点：能运用句型Whats the weather like in Beijing? Its cool and rainy. 问答某城市的天气。三 教学过程：（一）lead-in Greetings. Show a thermometer and ask students to raed the temperature. T: Its 26 degrees centigrade. Its hot. So today we are going to learn the weather. 展示教学目标。【设计意图】:通过让学生认识温度计读取度数，描述天气从而自然导入今天的关于天气的一堂课。（二）Presentation and practice1) Learn the new words: rainy ,snowy, cloudy, windy and sunny. The teacher should help the students tell the difference between the nouns and the adjectives.T: Do you know the weather signs? Where did you see them?S: Yes. In the weather report.T: Do you know the meaning of every weather sign?S: Yes. 教师让学生自己拼读单词，鼓励学生用已有的语音知识自己拼读单词。注意指导学生 ou 、ow 、ai字母组合的发音指导学生正确拼读单词。【设计意图】:让学生自己拼读描述天气的形容词，教师给予引导，发挥学生学习的主动性，体会成功的喜悦。2） Pair work. Work in pairs, one says the weather, the other one draws the weather signs.【设计意图】通过小组活动，让学生之间进行互动，活跃课堂气氛，加深学生对词汇的理解和运用。3） Task 1:看图，说天气 Show the new sentence what the weather like in ? Its?T: Now I ask the weather , you answer.What the weather like in London? S: Its rainy. T: Yes. Now I want to ask the weather in Singapore, so I can ask like this：What the weather like in Singapore?S: Its cloudy. 学生两人一组看图片练习句型。【设计意图】:在单词板块中已反复使用问天气的句型，此时采用问答形式自然而然的将本课新学句型导入出来，让学生觉得不突兀。4） Task 2: 总结询问天气的句型。Whats the weather like in ? It is .and .展示一幅山西各城市天气地图，让学生扮演天气预报播报员介绍各城市天气预报。【设计意图】:这是本堂课知识的迁移，让学生学会将学过的关于描述天气的单词进行举一反三，熟悉掌握词汇及句型。5） Task3:看动画，回答问题 在播放动画前，让学生读问题。 Task4: Follow the tape 让学生跟读录音，注意语音语调、连读。（讲授相关的语调连读问题） Task5: Complete the dialogue. 两人一组练习、集体补充对话。 【设计意图】:通过跟读、补全对话的形式，反复练习对话，感知目标语音。（3） Summary 伴着两只老虎的旋律，吟唱本课时的重点句型。【设计意图】:本部分通过歌曲让学生在旋律中复习本课的重点句型。（4） 情感教育 The weather always changes. Please take car