约2340字。
　　Unit2 Healthy eating
　　Teaching Aims of this unit
　　1. Talt healthy eating
　　2. Maggestions or giving advice on diet
　　3. Distinguish the meanings of Modal verbs
　　4. Make a balanenu
　　5. Vocabulary:
　　6.fiber,digestion,bean,slim,curiosity,lie,debt,glare,limit,benefit,item,protective get rid of, throw away, get away with, tell lies, earn one’s living in debt ,set out run one’s business ,carry on
　　7. Speaking: Practice talking about your ideas; practice giving suggestions and advice, practice
　　seeing the doctor.
　　Teaching importance: The use of ought to
　　1. Statements
　　You ought to cook fresh vegetables and meat without too much fat if you want to stay slim.
　　You ought not to eat the same kind of food at every meal.
　　2. Difficulty
　　Distinguish and summarize the usage of ought to and should.
　　Teaching methods: skimming, scanning, discussing.
　　Teaching aids: a tape recorder, a projector and a puter.
　　The first period Warming up and reading
　　Step ⅠWarming up
　　Review the words of foods by showing their pictures. First, asdents to list the foods they like best. Then tick off 3 of them they eat most often. Second, show the three grou