Unit4PartAlet’slearn

1、Unit 4 Part A lets learn教学目标：1、能听、说、认读单词：tomato、green beans、potato、carrot以及它们的复数形式。2、能够使用句型Look at They are对本节课所学的四种蔬菜实行描述。3 、能够说唱歌谣巩固所学单词的复数形式。4、学生知道了蔬菜有益身体健康，要多吃蔬菜。教学重点：单词：tomatoes、potatoes、green beans、carrots教学难点：potato和tomato的复数形式。教具准备： 1、课件。 2、所学蔬菜的实物。教学过程：Step 1 Warm up1、Greetings.2、Review the

2、 words： big small long short. 3、请学生欣赏Lets chant部分歌谣。Step 2 Presentation 1、T ： I have some bread for breakfast. What do I have for lunch today? Do you want to know? Look, this is a box. There are some vegetables in the box. I have them for lunch. What are they? Lets go and see! 2、教师从箱子里拿出一个西红柿，问：What

3、s this?引导学生回答：tomato 。出示图片，问：What are these? 引导学生回答：tomatoes引导学生用句型Look at They are对tomatoes进行描述。3、 教师请一名学生从盒子里拿起一把青豆，边说边完全呈现：Oh，They are long and green. They are green beans. Do you like green beans? 让学生在回答中学习单词。4、教师请一名学生从盒子里拿出土豆：Do you know it？ Its a potato. 出示图片，问：What are these? 引导学生回答：potatoes。

4、引导学生用句型Look at They are对potatoes进行描述。5、请学生猜谜语：Its long and orange. A rabbit like eating .What is it? 学习单词carrot。出示图片，问：What are these? 引导学生回答：carrots。引导学生用句型Look at They are对carrots进行描述。Step 3 Practice 1、Play a game : Whats missing?2、Look and say（看图片，对图画中的蔬菜进行描述。） Look at They are3、Lets chant I like

5、 tomatoes. I like potatoes. Carrots I will try. I like green beans, but I dont like onions.4、Watch the flash and read after the recording.Step 5 Extension Emotions: Vegetables are good for our health. We should eat more vegetables.Step 5 Homework (1) Copy the new words of “Lets learn”. (2) Introduce some kinds of vegetables to your par