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形成多吃新鲜水果有益健康的意识。
教学重点
sweet，sour，fresh 三个词以及含有这三个词的短语的听说、认读及运用。
教学难点
体会识别some 和a的用法，在提供的情景中正确运用所学的形容词以及句型。
教学准备
教学课件、PPT、实物卡片。
教学过程
Step 1Warming-up
Ⅰ Warm-up
出示图片： “What′s this?” Elicit, “It is a hamburger.” Now say, “Is this a hamburger?” Elicit, “Yes, it is.” Say, “Is this an orange?” Elicit, “No, it isn′t.”
Repeat the procedure using the other flashcard.
Hold up the soup flashcard. Ask, “Is this soup hot?” Elicit, “Yes, it is.” Now ask., “Is this soup cold?” Elicit, “No, it isn′t.”
Repeat the procedure for ice cream, rice, milk, etc.
设计意图：用本单元的教学卡片复习上一课学过的句型结构和词汇。
Step 2 Presentation
1. Set the scene
What is your favorite food?
What is your favorite drink?
Repeat the procedure for the other flashcard.
设计意图：通过学生的自身感受来引出、学习词汇，使学生易于接受。
2. Model the dialog
Ask the children to imagine that they want a drink on a very hot day. Ask, “How do you feel?” Explain to the children that in English we use the word thirsty. Say, “I am thirsty.”
设计意图：让学生们想象各种情景，通过情景创设来学习词汇，便于学生理解
Have the children repeat.
Now ask the children how they feel when they have missed lunch. Introduce the word hungry. Repeat the procedure used to present thirsty.
Hold up the soup flashcard. Review the word cold, hot. Ask, “Is this soup hot?” Elicit, “Yes, it is.” Now ask, “Is this soup cold?” Elicit, “No, it isn′t.” Repeat the procedure using the flashcards.
设计意图：把反义词成对复习，加深学生的印象。
3. Story
Say, “Now we will hear what the characters said.” Play the tape and have the children look at the pictures as they listen.