“家天下”代替“公天下”的标志:
禹死后,禹的儿子____击败____,夺取权位,建立夏朝。从此____代替了____,____代替了____。
A: were you five years ago? B: I was in Beijing.
手臂上暴露的青筋实际上是( )
下列词语中不是描述天气的是( )