【题目】The new discovery of oil is of great ______ to this area’s economy.
A. performance B. significance
C. satisfaction D. assumption
在线课程【答案】B
【解析】
试题分析：A. performance表演；B. significance重要性；C. satisfaction满意；D. assumption设想。句意：石油的新发现对这个地区的经济有着重大意义。 结合句意可知选B。