Unit 2 Healthy Eating
  You are what you eat.    人如其食。  First wealth is health.    健康是人生第一财富。  An apple a day keeps the doctor away.    一天一个苹果，医生不来找。                ----Emerson
Decide which food is junk food or healthy food and give reasons.I think …is junk food because… I think … is healthy food because…  (be rich in; be low in)
vs
Speaking