【学习目标】
1.掌握的新单词：way, traditional, believe, balance, weak, herb, angry, tofu, medicine, western, everybody, get, few, stay, important, balanced, diet.
2.掌握的短语： stay healthy, a balance of yin and yang, too much food, too many people, keep a balanced diet, traditional Chinese doctors, for example.
3.掌握的句型：It’s easy to have a healthy lifestyle,You should go to bed early. You shouldn’t study when you are tired.
