---Look! Some people are running the red lights.
---We should wait others are breaking the rule.
A:although
B:if
C:unless
D:because
若一个正三棱台的侧梭长为5,上、下底面边长分别为4和10,则其斜高等于( )
关于海峡两岸交往的史实排序正确的是( )
①台湾当局被迫调整“三不政策”
②海协会与海基会就“海峡两岸就坚持一个中国原则” 达成共识
③江泽民提出发展两岸关系、促进和平统一进程的八项主张
④汪辜会谈