人民警察被辞退后,下列哪些物品需要交回公安机关( )
A.枪支
B.警棍
C.警衔
D.公文包
参考答案:A,B,C
Known _______ one of the four greatest ancient civilizations in the world, China is attractive _______ many foreigners.
A.for; to
B.for; for
C.as; for
D.as; to
黄土高原蕴藏量较为丰富的能源资源有[ ]
A.天然气
B.煤
C.水能
D.铁矿