下列地理现象与西北干旱特征无关的是（　　）

A．风蚀城堡

B．荒漠面积广大

C．居民区呈带状分布

D．矿产资源丰富

The declaration of import goods shall be made to the Customs by the importer within （） days from the date of the declaration ot the arrival of the means of trans port.

A. seven days

B. fourteen days

C. fifteen days

D. thirty days