下列各项关于禹的各项表述中,不准确的是[ ]
A.黄河流域的部落联盟首领
B.建立夏朝
C.以王位世袭制代替了禅让制
D.治理黄河有功
答案:C
A naval parade can provide a platform, _____ navies on behalf of different nations can communicate.
A.in which
B.through which
C.where
D.that
与婴儿交流时,要面带微笑,声音温和,动作频率稍快。