填空题

Announcement on Beijing Olympic Volunteer Slogan Solicitation (征集)
Ⅰ. Starting and ending dates
The open solicitation starts from March 31 and ends on August 31, 2006
Ⅱ. Requirements of the slogan
1.Highly summarizing the concept of Beijing Olympic Volunteer Program — "service first and harmony first" and highlighting the striking feature of the times and the Chinese culture throughout the Beijing Olympic Games.
2. Clearly reflecting the idea that "Volunteers’ smiles are the best name card of Beijing".
3. Carrying international flavor and catering to the world so that people from different countries and regions and of various cultural backgrounds can understand and accept it. Both the Chinese version and the English one should be equally impressive.
4. Being brief, rhythmic, easy to remember, inspiring and appealing.
What’s the concept of Beijing Olympic Volunteer Program
______ and harmony first