pep英语四年级下册 Unit 4 at the farm .doc

Unit 4 at the farmPaart A 第一课时教学目标：1.能理解对话大意，并能以正确的语音语调朗读对话。2.能在情景中运用句型Are these? Yes, they are.What are these? They are询问物品名称并作答。3.运用They are good/so big!描述物品特点。4.结合语境理解单词carrot, tomato的意思。教学重点：能在情景中运用句型Are these? Yes, they are.What are these? They are询问物品名称并作答。教学难点：掌握are引导的一般疑问句，名词变复数的规则及读音。 教学准备：教学挂图、教学光盘、人物头饰、教学课件教学过程：Step 1：Warm-up1.学生们自由讨论喜爱的蔬菜，为下文的正题做准备。2.围绕单词red做头脑风暴游戏。板书单词red，出示一支红色钢笔，板书 a red pen。教师问：What else can be red？引导学生说词组，如：a red bag,a red apple等。最后教师说：I know a kind of red vegetable.Its round.Its juicy. It looks like apples.What is it?教师在黑板上贴上有一个西红柿的图片，说：Look!Its a tomato.板书tomato并教读。 Step 2: Presentation1.What are these？Theyre .的呈现与操练。（1)完成Lets talk。教师拿出有两个西红柿的图片，对比学习，问：What are these？引导学生说：They are tomatoes.板书句子：They are tomatoes.提示tomato一词复数的变化，帮助学生理解Its a tomato.和They are tomatoes.两个句子的不同含义。（2)教师让学生结合日常生活实际，思考西红柿的特征。引导学生运用句型Theyre来描述。小组讨论，汇报交流，教师补充，教师手指西红柿描述：These are tomatoes.They are red.They are good.They are yummy.（3)同桌两人一组练习运用They are描述一种水果，让大家猜一猜是什么。（4)教师继续描述：They are yellow.They are small.They are yummy,too.What are they? 教师出示黄色西红柿图片，说They are tomatoes,too.They are yellow tomatoes.（5)呈现胡萝卜的图片，教学carrots,引导学生说They are so big! 同桌结对用What are these?对red tomatoes,yellow tomatoes和carrots进行提问，并用 TheyreTheyre so!回答。2.学生呈现与操练对话。T：Are these carrots?S：Yes, they are.3.教师出示幼苗图片，问：What are these? Can you guess?引导学生用Are these？进行猜测。教师适当回答：Yes,they are.或No,they arent.4.教师播放对话的教学光盘，学生观看、跟读并分角色表演。Step 3： Consolidation and extension1.完成Lets play。三人一组，完成猜一猜游戏。S1提出疑问What are these?S2负责运用句型Are they? S3回答问题。如：S1: What are these? S2: Are they tomatoes?S3: No.2.课件呈现水果图片，如苹果、梨、橘子等，问Are these?请学生用Yes,they are.或No,they arent.进行判断。 Step 4: Homework 将Lets talk部分对话读给家长听。板书设计：Unit 4 At the farmAre the