三年级下册Unit3 At the zoo partB.doc

知识目标和能力目标：（1）能听、说、读、写单词：big, small, long, short；（写视单词难度而定）（2）能听懂形容词的意思，并能根据指令性语言做出正确动作。情感目标：培养学生热爱自然，爱护小动物，热爱生活的积极情感。教学重点：单词big, small, long, short的音、形、义、用；能听懂会说句型It has ，区别使用Its和It has 。教学难点：利用所学形容词熟练自如地描述各种动物。单词small 中 l 的发音，舌头要上卷。Short 的两种意思。1.Warm-up:（5mins）（1）Greeting（2）lets do.播放A部分lets do lets do 动画，师生跟着一起做。T: Good morning, boys and girls.S: Good morning, Miss Yang.T: Before the class, please stand up and lets do！（设计意图：通过lets do激活孩子们的已有的形容词单词，调整课堂气氛，为接下来的语言学习做铺垫）（3）listen and guess老师描述动物的特征，让孩子们快速说出答案。T: Boys and girls，here come some animals, lets guess, what animal is it?Listen carefully. It is big; It has small eyes. It has big nose. It has a short tail.S: Pig.T: Great！ NO.2, It has a small nose. It has a long tail. It has small eyes and small ears. It has long arms and long legs.what is it.?S: Its a monkey！（设计意图：通过有趣的游戏激发学生兴趣，引出lets learn 中的动物，为接下来的语言学习做铺垫。）2.Presentation:（1）Lets guess利用鸵鸟身体的图片，引出单词bigT: How big of you, you can say many about animals, Boys and girls，I have some pictures here, they are some parts of an animal. Lets find out what animal is it, ok?Look！ It has a body. It has a big body. Look at the pig, its big. It has a big body too.Read after me, big, big。 （带读单词）Follow me, big, big, big, make your eyes big. （引导学生做动作，之后每一个单词都引导学生做出TPR动作）How to spell big? Show me your finger, lets try. （ 贴四线格，板书） （表扬做笔记的同学）（2）利用鸵鸟的头，引出单词smallT: Look, it has a big body? And a head. So we can say:“It has a small head.”（课件呈现：allmall -small,读all 时，老师利用手势往上卷，提醒同学们要舌头卷一下）Read after me, small. Small, small. Follow me, small, small, small, make your eyes smallHow to spell small? Show me your finger, lets try. （ 贴四线格，板书）（3）利用鸵鸟的脚引出单词long.T: It has a big body, a small head, and two legs. （ 引导学生说出leg） so we can say It has long legs.Read after me: read after me, long, long, long. （Song）Follow me, long, long, long, make your arms long.Lets spell long！ （ 贴四线格，板书）（4）利用鸵鸟尾巴的图片引出单词short。T: It has a big body, it has a small head, it has long legs. And, what is this, tail. Is it long？ Its short. So we can say 。（找学生回答）。 It has a short tail.带读short-Follow me, short, short, short. Make your arms short.Lets spell short！ （ 贴四线格，板书）（5）展示鸵鸟脖子的照片。T: Look， what is this? A neck, long or short？So we can say。T: Now, boys and girls, do you know what animal is it?Yes， its an ostrich. It has a small head and a long neck.（设计意图：通过鸵鸟不同的部分引出形容词，初步呈现了单词的音型义）（6）Lets do.课本p28播放录音，然后带领同学们一起做动作然后老师说单