牛津译林版，刚刚改版的新教材，所有的教案都在上面，大家一定用的着，后面还附有一定的练习和语法专项。
Teaching aims:
1. Encourage students speak out to practice their oral English.
2. Arose their interest in learning this unit through activities.
3. Let them know the importance of senses in daily life.
