Due to the _______ of a brutal winter storm beginning this evening, some Beijing metro lines will not operate normally or according to the printed _______. To help _______ passengers, the metro company has _______ an informative poster to _______ riders of what to________.Heavy snow, ice and ________rain require that out-of-service trains be stored in metro_______rather than be left sitting in outside yards, This insures that trains will be_______for tomorrow morning’ s rush hour service and that car interior will maintain a comfortable_________.