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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、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、Presentation
Let’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 up
5、Homework
(1)抄写单词tomato, green bean, potato, carrot和句子Are these carrots? What are these?各五遍

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