政治纪律与政治规矩是政党生存发展的生命线，政治纪律与政治规矩废弛，必然导致政党衰亡。
参考答案：对
Coming into the room, I found them ______ at the table, _______ chess.
A．seated; playing
B．seating; playing
C．seat; play
D．seated; played
海里等于多少千米？
