膈下肋骨常用摄影体位是 （）

A.标准仰卧正位

B.俯卧正位

C.肋骨广角位

D.肋骨斜位

E.标准侧卧正位

The declaration of import goods shall be made to the Customs by the importer within ______ days from the date of the declaration of the arrival of the means of transport.

A．seven days
B．fourteen days
C．fifteen days
D．thirty days