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4、课前准备
PPT, 蔬菜实物，单词卡片，打印的蔬菜水果图片
5、教学步骤
Step 1. Greetings and warm up
1. Good morning!How are you?What’s the weather like?
2.let’s chant.
3.play a game .复习A部分单词
4.Sing a song:《Old MacDonald had a farm》
Step 2 Presentation
1．T;Old MacDonald had a farm. I have a farm , too.
师板书单词farm,呈现不同水果蔬菜图片（单数）
T：welcome to my farm.look ,What’s this?
S:It’s a ….
课件继续出示一些水果和蔬菜的图片， T:Look at these. What are these? S: They are …
教学句型What are these? They are ... 教师适时的说：They are big/good/yummy.
出示苹果图片
T:What are these?
S:They are apples.
T: Try some, they’re good. They’re yum. (Teach students say it and actions.)
2．学生结对用开火车形式操练句型What are these? They are…
3．教师利用PPT呈现被遮挡的水果图片
导入句型：Are these…? Yes，they are. /No, they aren’t.
T: What are these? Are these …?
S: Yes，they are. /No, they aren’t. (板书： Are these…?)
用不同的水果图片替换操练句型。
4.教师利用PPT呈现黄色西红柿图片
T：Are these…?
S:Yes，they are. (也许出现不同意见) No, they aren’t.
T: Haha, You’re right.(指着给出肯定回答的同学) Yes，they are. But they’re yellow.
呈现绿色的苹果