What is the disadvantage for air transportation? （） Quick but not safe。 Less frequency。 It can’t lift heavy goods。 The highest cost in all transport modes。
Loss and damage ration for motor are lower than any other modes. Is it correct?（） Yes。 Depend。 Not。 I don’t know。
The international trade needs the （） to fulfill its transaction. Great amount of shipped。 Tracks。 Logistics。 Ships。
What is the subject of the paragraph?（） international trade。 international transport。 international logistics。 international economy。
The logistics standardization starts from the operation of（） Transportation。 Storage。 Distribution。 Packaging。
What is the meaning of trend?（）
