受理、核发出入境证件，公安机关出入境管理部门民警必须坚持一次告知制和首问负责制。
参考答案：对
Coming into the room, I found them _______ at the table, ________ chess.
A．seated; played
B．seated; playing
C．seating; playing
D．seating; played
资本主义国家阶级性质的直接表现是
A．行政、立法、司法三权分立
B．两党或多党轮流执政
C．资本家占有生产资料
D．政府实施反映资产阶级意志的政策
