（）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。
What is the meaning of “short hauls”? （） Near way。 The distance is not long。 Direct line。 Short road。
Motor transport has the biggest market share in the paragraph. Is it true or not （） Yes。 Depend。 Not clear。 No mention。
Ocean transport use （）ships mostly. Bulk。 Container。 Barge。 RO/RO。
Crude oil carriers often use （） Big ships。 Huge ships。 Large container ships。 Supertankers。
What are the advantages for motor transportation? （）
