Outline: A. The great importance of tourist industry for China; B. Problems with China’s management of our tourist industry; C. My suggestions on how to improve travel management, especially the travel in big holidays.

A．on their way to adulthood, some children just behave like foreigners
B．only in single parent homes, a healthy and loving air is a very important factor in raising teens
C．raising teenagers is a difficult task especially in a single parent family
D．many parents divorced as a result of their children’s pitting

A．consists of a lot of different aspects
B．has been playing indispensable role in the world trade
C．has generally its own free specific business environment
D．has been playing an ever more significant role in the growth of world trade