判断题
错误(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
（） transport of goods is the principal means of transpo...
单项选择题（） transport of goods is the principal means of transport in many countries due to the low threshold infrastructure requirements.
A.rail B.road C.sea D.air
Customs clearance in the import-export trade is one of ...
多项选择题Customs clearance in the import-export trade is one of the traditional functions of a freight forwarder.Customs clearance measures mainly include （）。
A.declaration B.document-checking C.duty- paying D.cargo-examination
On traffic lanes where demand is strong and plane capac...
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
