当代社会的舆论场常常呈现出两极分化，支持与反对的声音同样强烈。

Public opinion in modern society often shows ___bipolarity, with equally strong voices for and against.

她的医生诊断出她患有双相情感障碍，表现出明显的情绪极端变化。

Her doctor diagnosed her with ___bipolar disorder, showing clear extremes of mood swings.

战后世界的特点是形成了以美国为首的西方阵营和以苏联为首的东方阵营之间的两极格局。

The post-war world was characterized by ___bipolarity between the US-led West and the Soviet-led East.