单项选择题
A．unit Price；gross weight B．total value；net weight C．unit price；net weight D．tota lvalue；gross weight
A．place of loading；place of discharge B．place of destination；place of discharge C．place of arrival；place of discharge D．place of arrival；place of shipment
A．import；sales contract B．export；sales contract C．import；bill of lading D．export；bill of lading