The UN Climate Change Conference in Copenhagen was held in a tense due to lack of deep understanding.
A. atmosphere
B. state
C. situation
D. phenomenon
网友回答
(答案→)A. atmosphere
B. state
C. situation
D. phenomenon
解析：词义辨析。atmosphere 气氛，空气；state 国家，情形； situation情况，形势；phenomenon现象，奇迹。句意：由于缺乏深刻的理解，联合国气候变化会议在一种紧张的气氛中与哥本哈根召开。故选A。