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Ss’teamwork spirit can be cultivated.
四）Key points
How to help ss master the use of “Look at the green beans. They are so long.”in daily life.
Ss are able to talk about their favourite food freely.
Difficult points
The plural forms of the new words.
二.Teaching preparation
1、The PPT and video of Let’s learn Part A.
2、Word cards.
3、The actual objects of the food.
4、The record of Let’s chant
三.Teaching procedures
(一) 热身（Warm up）
Let’s sing
The teacher play a song“Vegetable songs”
（二）新课呈现（Presentation）
呈现环节：
Play a game
Let’s guess:It is red and round. It is sour and sweet.(引导学生猜出 西红柿)
Show actual objects of the green beans. Ask the ss to describe them by using adjectives.
Show a picture of a potato. Let the ss to describe it.
It is long and orange. Rabbits like eating it.(引导学生说出 胡萝卜)
Read the words in pairs,groups, or one by one.(可以运用高低音，升降调带学生读单词)
（2）呈现句型：
教师可以利用实物，为学生创设情境，进行描述蔬菜
如：拿出四季豆，教师说：Look at the green beans.引导学生说：They’re so long.
第一步：以单数形式呈现 potato
第二步：以复数形式呈现 potatoes ,让学生观察单复数变化形式的不同，解决本课难点
第三步：教师示范描述这两样蔬菜
土豆：They are big. They are tasty and brown.