There are eight differences between _______.( )
A:they
B:them
C:their
李某因扰乱公共秩序被处罚款;王某因醉驾被处拘役,他们的行为分别属于( )
下列原始人类出现的先后顺序是( )
①半坡人②元谋人③北京人④河姆渡人