每年的5月31日是世界无烟日,今年1月13日世界卫生组织在其官方网站上发布了今年世界无烟日的英文版,其内容节选如下:World No Tobacco Day 2011Theme: The WHO Framework Convention on Tobacco Control13 January 2011 - The World Health Organization (WHO) selects "The WHO Framework Convention on Tobacco Control" as the theme of the next World No Tobacco Day, which will take place ...