英语人教版四年级下册uint 4at the farm.docx

四年级Unit4 At the farm 教学设计第二课时一、教学目标与要求1、能够听、说和认读单词：tomatoes， green beans, potatoes, carrots。理解掌握两组反义词big/small，long/short.2、能够正确使用四会单词的单复数。3、掌握句型：What are these? They are并介绍各种农场蔬菜，进行情景交流。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： What are these? They are难点：能够在情景中运用句型：What are these? They are询问并回答各种蔬菜的颜色及特点。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：Whats the weather like today? Ss: Its cloudy. T: Yes, its cloudy, and its not so hot. So, lets go to the farm.2、Preview Bb: 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、PresentationLets learn教师出示carrot 卡片，T：carrots, theyre big, theyre red.Bb: carrots Theyre red. Theyre 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, theyre red, theyre yum. 描述西红柿。(3)一同样的方法教potato, potatoes(Theyre big.)/ been, green beans(Theyre long.)。（4）填字母：教师板书：oao, oao 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: crrt, green bn 学生填出字母，师生拼读carrot, green bean.（1）教师出现carrots单词卡片。 T： What are these？引导学生说出：Theyre carrots.Bb: What are these？Theyre 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？Theyre(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 arent.4、Sum up6、Homework （1）抄写单词tomato， green