朝鲜 美國國務院發言人指朝鮮已經關閉位於寧邊的核子反應堆。[http:--news.bbc.co.uk-chinese-trad-hi-newsid_6890000-newsid_6899200-6899228.stm BBC]url=http:--news.bbc.co.uk-chinese-trad-hi-newsid_6890000-newsid_6899200-6899228.stm