题目

Sally came to China last year. She is now living in Beijing and works in a computer company. She has been in the company for six months. The company is in the north of the city, and her apartment is in the south.. But Sally has never been late for work.Sally is very popular in the company. She is kind to everybody and gets on well with her workmates（同事）. They often visit each other after work and talk about almost everything.However, Sally has made a decision to leave the company. She is going to find a job as a tour guide. “ If I work as a tour guide(导游), I’ll be able to meet 己知圆锥的底面圆半径是6，母线长18，这个圆锥侧面展开图的面积是108π108π．