The general additional risks including（）are covered in all risks coverage.

单项选择题Many businesses ship their products by rail if they are shipping long distance because it can be（）to ship in large quantities by rail than by truck.

A.more expensive
B.cheaper
C.faster
D.safer

单项选择题On traffic lanes where demand is strong and plane capacity is limited， the air rates will be （）and vice versa for traffic lanes where supply exceeds demand.

A.low
B.high
C.normal
D.average

单项选择题There is only one standard form of bareboat charter party， namely （）.

A.BALTIME
B.GENCON form
C.BARECON form
D.NYPE

单项选择题PLATA is the largest（）in the field of transportation.

A.international organization
B.non-government organization
C.Profit organizations
D.world trade organization

单项选择题According to Customs Law， import cargos must be declare to Customs house within（）days since conveyance declaration arrival date.

A.Eight
B.Ten
C.Fourteen
D.Fifteen