A：亚洲是世界上面积最大的大洲
B：亚洲是世界上跨纬度最广的大洲
C：亚洲是世界上跨经度最广的大洲
D：亚洲是东西距离最长的大洲
Since our research so far has not produced any answers to this problem，we need to adopt a different________to doing it.
下列少数民族与其民族节日对应正确的是（ ）
