Task 1: When you came back from a travel overseas, you found you lost something very important on the plane. Write a letter to the airport authority. You should include the following:
1． What you lost.
2． Describle the items
3． State what you hope them to do for you.

Task 2: Many people complain about  stress from the workplace. What should the employer do to reduce the stress and what should workers do. Use your own experiences.