问题
选择题
It was obvious that the Climate Change Conference in Copenhagen______the global environmental problems.
A．aimed on
B．focused on
C．intended for
D．commented on
答案
答案：B
题目分析： A瞄准，目的在于；B聚焦；集中注意力于…；C打算，意图；D评论…；句义：很清楚哥本哈根气候大会聚焦于全球变暖的问题。根据句义说明B正确。