_____, it was very difficult, but about an hour later it became easier.[ ]

A. In the end    

B. At the end    

C. At the beginning  

D. In the beginning

首次提出“经济地理学”这一科学名词的是（）。

A.（德）戈策

B.（中）司马迁

C.（中）班固

D.（俄）罗蒙诺索夫

E.（古罗马）斯特拉波