题目

                                       WHAT’ SON STAGE    Russian dances: The famous“Little White Birth”Dance Troupe will travel fromRussia to Presentperformances in Beijing. The troupe, founded in 1948, is famous for theircombination of Russian folk dances and classicaldancing art. It has been invited by the Beijing Foreign Culture Exchange Co togive four performances in Beijing. Tickets are available（可得到的）through ticket hotlines and website such as www, paio. com.cn, www.chinaticket.com and www.ticket.elong. com Time: 7:30 pm, JanuaFresh air, enough exercise and nutritious food ______ to sound health.A．devoteB．addC．contributeD．stick