Teaching objectives: -After studying this unit,the students should be able to: catch the main idea and give the outline of passages; learn something about requirements for different professions; 冠 review some language points in the previous and present units; 超 Teaching objectives: ▪ After studying this unit, the students should be able to: ✓catch the main idea and give the outline of passages; ✓learn something about requirements for different professions; ✓review some language points in the previous and present units;