关于十一运会时如何做一名志愿者和如何保护环境的英语作文！急求！！非常感谢！！！

Complex services: the main in the stadium, leading the audience to assist in order to maintain services;

(2) business services: mainly the opening and closing ceremonies and other major events and important meetings to provide services;

(3) Team Contact: The principal objective is to send volunteers to the delegation of the team (team) is responsible for liaison work;

(4) technical services: The main sectors for the organizing committee of volunteers to provide professional services;

(5) Inquiry: The principal objective is to provide information at the press center service;

(6) Emergency services: the main motor volunteers the organization designated by the organizing committee to assume temporary emergency services;

(7) other services: In accordance with volunteers to provide expertise for the guests of the voluntary service.