The technical cooperation and cultural between the two countries are daily on the increase.
A. expenses
B. exchanges
C. exception
D. extension
网友回答
A. expenses
(答案→)B. exchanges
C. exception
D. extension
解析：名称辨析。A费用；B交换，交流；C例外，除外；D伸展，扩大。句意：两个国家之间的技术合作和文化交流在日益增加。故B正确。