3．To develop the students' reading ability by skimming and scanning the passage.
4．To develop the students' speaking ability by talking about health problems.
Process and methods
1．While doing Warming Up the teacher can lead in the topic of this unit by showing students some pictures of healthy or unhealthy activities. Students can practice their oral English by describing the activities. By reading a passage，students can have a better understanding of what is a healthy life.
