1.很可能______________ 2.欧洲的______________ 3.人数____________________
4.政策_______________ 5.(使)增大______________6.困难,费力______________
7.百分之_____________ 8.除非______________ 9.市场_______________
10.极好的,优秀______________ 11.关系;亲属______________12.十亿_______________