From Washington, this is VOA News. 来自华盛顿,这里是VOA新闻. US holding crucial Congressional elections.... 美国开始进行重要的国会选举...... U-N warns of disaster for displaced in Iraq.... 联合国警告称伊拉克爆发难民潮..... I'm Ray Kouguell reporting from Washington. 我是雷`库格尔从华盛顿发回报道. Voters across the United States are casting ballots in a pivotal election that will determine whether Democrats or Republicans control Congress during President Barack Obama's final two years in office. All 435 seats in the House of Representatives and a third of the Senate's 100 seats are at stake. 美国选民正进行重要的投票选举,该选举将决定美国总统奥巴马最后的两年任期内,究竟是民主党还是共和党控制国会.众议院所有435个席位和参议院100个席位中的三分之一都岌岌可危. _____________________ Republicans are expected to retain -- and perhaps expand -- their solid 233-seat majority in the House. 共和党有望保持并扩大席位--他们控制了国会中233个多数席位.