学习目标
1. 掌握重点单词和词组：.
traditional, believe, balance, weak, angry, tofu, medicine, western, everybody, get, few, a few, stay, important, balanced, diet, moment, at the moment, until, dear, host family, hear .thirsty, stress, (be)stressed out, early, problem
2. 学会：给别人提一些有益身体健康的方法。
学习步骤
一. 预习感知：
请你认真阅读3a，试着解释下列短语。
