四年级英语Unit4 At the farm集体备课案例

一、教学目标与要求1、能够听、说和认读单词：tomato，green bean, potato, carrot 及其复数形式。2、能够正确使用上述单词和these介绍各种农场蔬菜。3掌握句型：Are these carrots? Yes, they are./No, they aren’t. what are these? They are…。二、教学重点及难点重点：掌握单词：tomato， green bean, potato, carrot 及其复数形式。并掌握句型：Are these carrots? Yes, they are./No, they aren’t. What are these? They are…。难点：能够在情景中运用句型：What are these? They are…询问和回答各种蔬菜的名称。三、教学准备     课本、 录音机、磁带及单词卡片。四、教学过程1、Warm-up（1）日常口语交流：T：What’s the weather like today?  Ss: It’s cloudy.     T: Yes, it’s cloudy, and it’s not so hot. So, let’s go to the farm.2、PreviewBb: Unit4 At the farm.T: Turn to P36. Look at this picture. This is a farm. What do you see at the farm? Do you see any animals? Do you see any vegetables? What kind of vegetables?3、PresentationLet’s learn(1) 教师出示carrot 卡片，T：carrots, they’re big, they’re red.Bb: carrots  They’re red. They’re big. 教师带读以上词句。(2)教师西红柿的图片，教学单词tomato, tomatoes. 教师引导学生用句型： Look at the tomatoes, they’re red, they’re yum. 描述西红柿。(3)一同样的方法教potato, potatoes(They’re big.)/ been, green beans(They’re long.)。（4）填字母：教师板书：＿o＿a＿o, ＿o＿a＿o  T:听我读单词，按顺序填上字母。tomato，potato。学生分别填出三个辅音字母。师生拼读tomato，potato.(4)哪个字母不见了：Bb: c＿rr＿t, green b＿＿n 学生填出字母，师生拼读carrot, green bean.(5)教师快速闪现单词卡，学生快速说出对应单词。Let’s talk（1）教师出现carrots单词卡片。 T： What are these？引导学生说出：They’re carrots.Ss: What are these？They’re carrots.教师解释these，并带读这些句子。(2)教师继续呈现potatoes，green beans，让学生操练句型：What are these？They’re…(3)教师再次呈现carrots单词卡片，T：Are these carrots? 引导学生说：Yes, they are.教师呈现tomatoes, T:Are these carrots?     Ss: No, they aren’t.继续呈现其他单词，用同样的方法的方法操练句型：Are these…? Yes, they are./ No, they aren’t.(4)让学生翻开38页，看Let’s talk部分的图片， T：Who is at the farm? What do you see at the farm? 引导学生看图回答问题。（5）学生听录音并跟读，教师板书对话内容。解释“try some” ,带读对话，齐读对话，角色扮演。背诵对话。4、Sum up5、Homework （1）抄写单词tomato， green bean, potato, carrot和句子Are these carrots? What are these？各五遍