Teaching aims
（教学目的）
1.Get students to go over the useful new words and expressions in this unit.
2. Develop students’ ability to use the important language points in this unit.
Teaching emphasis
（教学重点）
1. Get students to review and consolidate what they have learned in this unit.
2. Develop students’ ability to solve problems.
Teaching difficulties
（教学难点）
Get students to turn what they have learned into their ability.
