【题目】(2014·安徽两所名校联考)A survey ________ by the UN shows developing countries are particularly attractive to tourists.
A. being conducted B. conducted
C. having been conducted D. to be conducted
在线课程【答案】B
【解析】考查过去分词。句意：联合国的一项调查显示，发展中国家特别吸引游客(去旅游)。conduct和survey之间是动宾关系，所以空白处应用过去分词作后置定语。根据句意可知选B。