The Immigration and Naturalization Service is concerned with which document on a vessel making preliminary entry into a U.S. port from a foreign port?（）.

The granting of radio pratique （）the vessel only as far...

单项选择题The granting of radio pratique （）the vessel only as far as the Port Officer of Health is concerned．

The citizenship of a crew member of a vessel is determi...

单项选择题The citizenship of a crew member of a vessel is determined solely by the （）.

The agency most concerned with a stowaway is （）.A.Custo...

单项选择题The agency most concerned with a stowaway is （）.